JP5735345B2 - Plant growth regulator and plant growth method using the same - Google Patents
Plant growth regulator and plant growth method using the same Download PDFInfo
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- JP5735345B2 JP5735345B2 JP2011105549A JP2011105549A JP5735345B2 JP 5735345 B2 JP5735345 B2 JP 5735345B2 JP 2011105549 A JP2011105549 A JP 2011105549A JP 2011105549 A JP2011105549 A JP 2011105549A JP 5735345 B2 JP5735345 B2 JP 5735345B2
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Landscapes
- Cultivation Of Plants (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Description
本発明は植物成長調整剤およびそれを用いた植物の生育方法に関し、さらに詳しくは、プランター等に植えられた鉢植えの花や野菜等の植物の成長を促進し、開花促進、結実促進、収量向上等の効果を有する植物成長調整剤、およびそれを用いて植物の成長を調整する生育方法に関するものである。 The present invention relates to a plant growth regulator and a method for growing a plant using the same, and more specifically, promotes the growth of plants such as potted flowers and vegetables planted in planters and the like, promotes flowering, promotes fruit set, improves yield. The present invention relates to a plant growth regulator having the above-mentioned effects and a growth method for regulating plant growth using the same.
アリルイソチオシアネート（イソチオシアン酸アリル：ＡＩＴＣ）は、主にワサビ、辛子、大根などのアブラナ科の植物に含まれる辛味成分であり、特有の強烈な刺激臭を持っている。アリルイソチオシアネートは、天然由来の場合、植物体内ではシニグリンまたはシナルビンなどの配糖体として存在しており、酸素に触れることで酵素（特に、ミロシナーゼ）の作用により生成する。このアリルイソチオシアネートは、食品香料としての用途の他、近年ではその抗菌作用が注目され、さまざまな用途が開発されている。 Allyl isothiocyanate (allyl isothiocyanate: AITC) is a pungent component contained mainly in cruciferous plants such as wasabi, chillies, and radishes, and has a unique and intense pungent odor. When allyl isothiocyanate is naturally derived, it exists as a glycoside such as sinigrine or sinalbin in the plant body, and is produced by the action of an enzyme (particularly, myrosinase) when exposed to oxygen. In addition to its use as a food flavor, this allyl isothiocyanate has recently attracted attention for its antibacterial action, and various uses have been developed.
園芸や農業の分野においてもアリルイソチオシアネートは利用されており、例えば、刺激性辛味成分を有する植物性香辛材を含有する酢酸水溶液に、イネ種子を浸漬させるイネの種子消毒方法や（例えば、特許文献１参照）、刺激性辛味成分を有する植物性香辛材を含有する酢酸水溶液又は酢酸粉状物を施用した培土又は土壌を用いてイネ苗を栽培するイネ苗の生育方法や（例えば、特許文献２参照）、唐辛子、にんにく及び山葵からカプサイシン、アリシン及びアリルイソチオシアネートを抽出した溶液である病害虫防除剤を、ハウス類設備内に噴霧散布することにより青果作物の病害虫を防除する方法（例えば、特許文献３参照）が知られている。 Allyl isothiocyanate is also used in the fields of horticulture and agriculture. For example, rice seed disinfection methods in which rice seeds are immersed in an aqueous acetic acid solution containing a vegetable spice having an irritating pungent component (for example, patents) Reference 1), a rice seedling growing method for cultivating rice seedlings using a soil or soil applied with an acetic acid aqueous solution or an acetic acid powder containing a vegetable spice having an irritating pungent component (for example, patent documents) 2), a method for controlling pests of fruit and vegetable crops by spraying a pest control agent, which is a solution obtained by extracting capsaicin, allicin and allylisothiocyanate from chili, garlic and yam, into house facilities (for example, patents) Document 3) is known.
特許文献１および２によれば、アリルイソチオシアネート等の植物に含まれる辛味成分を、イネの種子若しくはイネを生育させる培土や土壌に施用することで、イネの育苗期における病害の発生を予防できる。また、特許文献３によれば、外気を遮断したハウス類設備内にアリルイソチオシアネートを含有する病害虫防除剤の溶液を噴霧し、青果作物等に防除剤を付着させることで、病害虫の防除処理を行うことができる。 According to Patent Documents 1 and 2, by applying a pungent component contained in a plant such as allyl isothiocyanate to rice seeds or a soil or soil for growing rice, it is possible to prevent the occurrence of diseases during the rice seedling stage. . In addition, according to Patent Document 3, a pest control solution containing allyl isothiocyanate is sprayed in a house facility in which outside air is blocked, and the control agent is attached to a vegetable crop or the like, thereby controlling the pest. It can be carried out.
花や農作物等の植物の栽培において、植物の成長を促進させることは、生産期間の短縮や生産性の向上を図るうえで非常に重要である。また、観賞用の花卉などの栽培においても、開花量や結実量の多いもののほうが見栄えが良いため、植物を育てる業者や鑑賞者に好まれる。植物の成長を促進させる方法として、例えば、肥料を使用する栽培や、温室栽培、光照射栽培等の方法があり、中でも一般家庭でも容易に利用可能な方法として、肥料を土壌に施用したり、植物に直接散布する方法が一般的に用いられている。一般的な植物の成長調整剤としては、例えば、インドール酪酸、インドール酢酸、ジベレリン、エテホン、ダミノジット等を有効成分として含有するものが広く利用されている。 In the cultivation of plants such as flowers and crops, promoting the growth of plants is very important for shortening the production period and improving productivity. Also, in the cultivation of ornamental flower buds and the like, those with a large amount of flowering and fruiting are better in appearance and are preferred by contractors and viewers who grow plants. As a method for promoting the growth of plants, for example, there are methods such as cultivation using fertilizer, greenhouse cultivation, light irradiation cultivation, etc., among others, as a method that can be easily used in general households, fertilizer is applied to soil, The method of spraying directly on plants is generally used. As general plant growth regulators, for example, those containing indole butyric acid, indole acetic acid, gibberellin, ethephon, daminogit and the like as active ingredients are widely used.
特許文献１〜３は、アリルイソチオシアネート等の辛味成分の殺菌効果を利用して、植物病害の発生を予防するものや、病害虫の防除を行うものであり、いずれも植物の成長を阻害する要因の排除を目的としている。しかしながら、アリルイソチオシアネートが植物の成長に直接的に影響を与えることについては何ら知られていない。 Patent Documents 1 to 3 utilize the bactericidal effect of pungent components such as allyl isothiocyanate to prevent the occurrence of plant diseases and control pests, both of which are factors that inhibit plant growth The purpose is to eliminate. However, nothing is known about allyl isothiocyanate directly affecting plant growth.
そこで、本発明は、アリルイソチオシアネートの新たな用途として、植物成長促進活性を見出し、農作物や観賞用の花卉などの栽培において、花や実の成長を促進し、しかも観賞を楽しむ時間を長くすることができる植物成長調整剤、および該植物成長調整剤を用いて植物の成長を促進させる生育方法を提供することを課題とする。 Therefore, the present invention finds plant growth promoting activity as a new use of allyl isothiocyanate, promotes the growth of flowers and fruits in cultivation of crops and ornamental flower buds, etc., and lengthens the time for enjoying the viewing. It is an object of the present invention to provide a plant growth regulator that can be used, and a growth method that promotes plant growth using the plant growth regulator.
本発明者らは、鋭意研究をした結果、以下の（１）〜（５）の手段により、上記の課題を解決できることを見出し、本発明を完成するに至った。
（１） アリルイソチオシアネートを有効成分として含有し、植物成長促進活性を有することを特徴とする植物成長調整剤。
（２） 前記植物成長促進活性が、開花促進作用、開花数増加作用、開花期間延長作用および結実促進作用のいずれかであることを特徴とする上記（１）に記載の植物成長調整剤。
（３） ゴマノハグサ科植物、ナデシコ科植物、ナス科植物およびシソ科植物からなる群から選択される少なくとも１種の植物に対する成長促進活性を有することを特徴とする上記（１）または（２）に記載の植物成長調整剤。
（４） 鉢植えの植物体に対する成長促進活性を有することを特徴とする上記（１）〜（３）のいずれか１つに記載の植物成長調整剤。
（５） 上記（１）〜（４）のいずれか１つに記載の植物成長調整剤を、土壌に施用することで植物体の成長を促進させることを特徴とする植物の生育方法。
As a result of intensive studies, the present inventors have found that the above problems can be solved by the following means (1) to (5), and have completed the present invention.
(1) A plant growth regulator comprising allyl isothiocyanate as an active ingredient and having plant growth promoting activity.
(2) The plant growth regulator as described in (1) above, wherein the plant growth promoting activity is any of a flowering promoting action, a flowering number increasing action, a flowering period extending action and a fruit setting promoting action.
(3) In the above (1) or (2), it has a growth promoting activity for at least one plant selected from the group consisting of the genus Phyllidae, Nadesicoaceae, Solanum and Lamiaceae. The plant growth regulator as described.
(4) The plant growth regulator as described in any one of (1) to (3) above, which has a growth promoting activity for potted plants.
(5) A method for growing a plant, comprising applying the plant growth regulator according to any one of (1) to (4) above to soil to promote the growth of the plant body.
本発明の植物成長調整剤によれば、花や農作物の開花、結実を促進させることができ、花数および収量を増加させることができる。また、本発明の植物成長調整剤を用いれば、花卉の開花期間を延長し、観賞期間を長くすることができるだけでなく、長期間にわたり受粉が可能になり、果実が未成熟なままで成長が停止することを防止できるなど、農業分野および園芸分野で広く有効に利用できる。 According to the plant growth regulator of the present invention, flowering and fruiting of flowers and crops can be promoted, and the number of flowers and the yield can be increased. Further, by using the plant growth regulator of the present invention, it is possible not only to extend the flowering period of the florets and lengthen the viewing period, but also to pollinate over a long period of time, and to grow while the fruit is immature. It can be used effectively in a wide range of fields such as agriculture and horticulture.
本発明の植物成長調整剤は、アリルイソチオシアネートを有効成分として含有し、植物成長促進活性を有するものである。
アリルイソチオシアネート（Allyl Isothiocyanate）は、既述のように、主にワサビ、辛子、大根などのアブラナ科の植物に含まれる辛味成分である。また、カラシ油から得られる精油成分であって、揮発性の高い物質である。アリルイソチオシアネートを得る方法としては、例えば、塩化アリルとチオシアン酸塩をエタノール中で加熱反応させ、生じたイソチアン酸アリルを蒸留して沸点１５０℃前後の留分をとることにより得られる合成法、天然ガイシ（芥子）を圧搾して脂肪油を除去した後、そのかすを磨砕して温湯を加えて酵素分解し、水蒸気蒸留して得られる抽出法、などがある。入手のしやすさから合成法により製造されたアリルイソチオシアネートを使用することができる。
The plant growth regulator of the present invention contains allyl isothiocyanate as an active ingredient and has plant growth promoting activity.
As described above, allyl isothiocyanate is a pungent component mainly contained in cruciferous plants such as wasabi, chillies, and radishes. Moreover, it is an essential oil component obtained from mustard oil, and is a highly volatile substance. As a method for obtaining allyl isothiocyanate, for example, a synthesis method obtained by heating and reacting allyl chloride and thiocyanate in ethanol and distilling the resulting allyl isothiocyanate to obtain a fraction having a boiling point of about 150 ° C., There is an extraction method obtained by squeezing natural potato (residue) to remove fatty oil, grinding the residue, adding hot water to enzymatic decomposition, and steam distillation. Allyl isothiocyanate produced by a synthesis method can be used because of its availability.
本発明の植物成長調整剤中、アリルイソチオシアネートは、５質量％以上含有させるのが好ましく、１０質量％以上がより好ましく、３０〜５０質量％が更に好ましい。アリルイソチオシアネートの含有量が５質量％未満の場合は、揮散が抑制され、植物体に作用する量が十分に放出されないため、好ましくない。 In the plant growth regulator of the present invention, allyl isothiocyanate is preferably contained in an amount of 5% by mass or more, more preferably 10% by mass or more, and further preferably 30 to 50% by mass. When the allyl isothiocyanate content is less than 5% by mass, volatilization is suppressed, and the amount acting on the plant is not sufficiently released, which is not preferable.
本発明の植物成長調整剤において、アリルイソチオシアネートの含有量は、溶媒に溶解して調製される。前記溶媒としては、例えば、有機溶剤や油類等が挙げられ、アリルイソチオシアネートとの反応性が低く、低粘度で取り扱いが容易であり、また、容器への影響が少ないなどの観点から、例えば、トリカプリル酸グリセリド、トリカプリン酸グリセリドのような中鎖脂肪酸油等を用いることが好ましい。 In the plant growth regulator of the present invention, the content of allyl isothiocyanate is prepared by dissolving in a solvent. Examples of the solvent include organic solvents, oils, and the like. From the viewpoint of low reactivity with allyl isothiocyanate, low viscosity and easy handling, and little influence on the container, for example, It is preferable to use medium-chain fatty acid oils such as tricaprylic acid glycerides and tricapric acid glycerides.
また、本発明の植物成長調整剤には、本発明の効果を損なわない範囲で他の成分を所望により配合することができる。他の成分としては、例えば、アスコルビン酸、トコフェロールなどのビタミン類，ジブチルヒドロキシトルエン（ＢＨＴ）、ジブチルヒドキシアニソール（ＢＨＡ）、エリソルビン酸ナトリウムなどの酸化防止剤，ｐＨ調整剤，ヒドロキシエチルセルロース（ＨＥＣ）、カルボキメチルセルロース（ＣＭＣ）、ペクチン、グアーガム、スメクタイトなどの粘度調整剤，グリコールエーテル、ケロシンなどの揮散抑制剤、色素、などを配合することができる。
前記他の成分の配合量は、例えば色素の場合、植物成長調整剤中、１０質量％以下が好ましく、０〜５質量％がより好ましい。
Further, the plant growth regulator of the present invention can be blended with other components as desired within a range not impairing the effects of the present invention. Examples of other components include vitamins such as ascorbic acid and tocopherol, antioxidants such as dibutylhydroxytoluene (BHT), dibutylhydroxyanisole (BHA), and sodium erythorbate, pH adjusters, hydroxyethylcellulose (HEC) Viscosity modifiers such as carboxymethyl cellulose (CMC), pectin, guar gum and smectite, volatilization inhibitors such as glycol ether and kerosene, pigments, and the like can be blended.
For example, in the case of a pigment, the blending amount of the other component is preferably 10% by mass or less, and more preferably 0 to 5% by mass in the plant growth regulator.
本発明の植物成長調整剤が適用される植物体としては、例えば、園芸植物（例えば、花卉、野菜、果樹、観葉植物等）、食用植物（例えば、禾穀類、豆類、芋類等）、飼料作物（例えば、牧草類、青刈飼料作物類、根菜類、緑肥類等）、工芸作物（例えば、繊維料、油料、糖料、デンプン、嗜好料、ゴム・樹脂料、香料、香辛料、染料、薬料等）などが挙げられる。具体的には、例えば、カルセオラリア、キンギョソウ、ジキタリス等のゴマノハグサ科植物；カーネーション、テルスター、カスミソウ等のナデシコ科植物；ミニトマト、ペチュニア、トウガラシ等のナス科植物；サルビア、ラベンダー等のシソ科植物などが挙げられるが、これらに限定されない。 Examples of plants to which the plant growth regulator of the present invention is applied include, for example, horticultural plants (eg, flower buds, vegetables, fruit trees, foliage plants, etc.), edible plants (eg, cereal grains, beans, potatoes, etc.), feed Crop (for example, pastures, green-cutting forage crops, root vegetables, green manures, etc.), craft crops (for example, fiber, oil, sugar, starch, taste, rubber / resin, flavor, spice, dye, medicine Charge). Specifically, for example, Aceraceae plants such as Calceolaria, Snapdragon, Dichytalis, etc .; Arachnaceae plants such as carnation, telster, gypsophila; Solanum plants such as cherry tomato, petunia, capsicum; Labiatae plants such as salvia, lavender, etc. However, it is not limited to these.
本発明の植物成長調整剤を上記植物体に施用すると、開花の促進、開花数の増加、葉や根部の成長促進、花芽成形促進、開花期間延長（延命）、結実促進、収量増加等の植物生育上の好ましい結果を奏し得る。これは、アリルイソチオシアネートが植物の老化に関するホルモンであるエチレンの生合成を阻害したり、アリルイソチオシアネートの刺激によって植物が耐ストレス性を獲得したりするためと考えられる。従って、本発明の植物成長調整剤は、植物体の根幹や葉、幹などから取り込まれ、アリルイソチオシアネートの植物細胞との化学反応や、植物被膜への物理的作用、または植物ホルモン様への作用などにより、植物の成長を調整することができる。 When the plant growth regulator of the present invention is applied to the above plant body, it promotes flowering, increases the number of flowers, promotes growth of leaves and roots, promotes flower bud formation, prolongs the flowering period (prolongs life), promotes fruit set, increases yield, etc. Favorable growth results can be achieved. This is thought to be because allyl isothiocyanate inhibits the biosynthesis of ethylene, which is a hormone related to plant aging, and plants acquire stress resistance by stimulation of allyl isothiocyanate. Therefore, the plant growth regulator of the present invention is incorporated from the root trunk, leaves, trunk, etc. of the plant body, and reacts with the chemical reaction of allyl isothiocyanate with plant cells, the physical action on the plant coat, or the plant hormone-like. Plant growth can be regulated by action and the like.
本発明の植物成長調整剤の施用方法としては、例えば、植物体が植えられた土壌に適用したり、空間中に適用することができる。土壌に適用する場合は、プランターなどの容器で栽培される鉢植えの植物体の土壌に施用することで、アリルイソチオシアネートが必要範囲外にまで拡散することを防ぐことができるので、より効果的に発明の効果が得られる。また、空間中に適用する場合は、植物体を空気非透過性の袋で覆い外気から遮断した空間に適用することで、より効果的に発明の効果が得られる。 As an application method of the plant growth regulator of this invention, it can apply to the soil in which the plant body was planted, or can be applied in space, for example. When applied to soil, it can be more effectively applied to the soil of potted plants grown in containers such as planters, so that allyl isothiocyanate can be prevented from diffusing beyond the required range. The effects of the invention can be obtained. Moreover, when applying in space, the effect of invention is acquired more effectively by applying to the space which covered the plant body with the air-impermeable bag, and was cut off from outside air.
本発明の植物成長調整剤の使用形態としては、特に限定はされないが、液状として使用する形態が挙げられる。例えば、図１に示すような徐放性容器１に液状の植物成長調整剤を充填し、この徐放性容器１を植物体が植えられたプランター等の土壌に差し込む。すると充填されていた植物成長調整剤が、主に徐放性容器１の本体１１を透過して徐々に土壌中に溶出する。アリルイソチオシアネートは高揮散性物質であるので、溶出した植物成長調整剤中のアリルイソチオシアネートが徐々にガス化して土壌中に拡散し、植物体の根に接触して根から植物体に取り込まれ、植物体の成長促進作用をもたらすと考えられる。尚、植物成長調整剤は植物体の株元近傍の土壌に施用すると、より確実に植物体に作用させることができるので好ましい。徐放性容器の材質としてはＰＰ（Polypropylene）、ＰＥ（Polyethylene）などが好ましい。 Although it does not specifically limit as a usage form of the plant growth regulator of this invention, The form used as a liquid is mentioned. For example, a sustained-release container 1 as shown in FIG. 1 is filled with a liquid plant growth regulator, and the sustained-release container 1 is inserted into soil such as a planter in which plants are planted. Then, the plant growth regulator with which it was filled mainly permeate | transmits the main body 11 of the sustained release container 1, and is eluted in soil gradually. Since allyl isothiocyanate is a highly volatile substance, allyl isothiocyanate in the eluted plant growth regulator gradually gasifies and diffuses into the soil, and comes into contact with the root of the plant body and is taken into the plant body from the root. It is thought to bring about a growth promoting action of the plant body. The plant growth regulator is preferably applied to the soil in the vicinity of the plant stock because it can act on the plant more reliably. The material of the sustained release container is preferably PP (Polypropylene), PE (Polyethylene) or the like.
その他の形態としては、ゼオライト等の担体に担持させ、徐放性を持たせた粒剤やマイクロカプセル化した粉剤、分散剤、乳剤等が挙げられる。これらの粒剤や粉剤、分散剤、乳剤等を、植物体が植えられた土壌の表面に撒いたり、該土壌に混合させることで、植物成長調整剤中のアリルイソチオシアネートが徐々にガス化して植物体に接触する他、土壌中に拡散し、根から植物体に取り込まれる。 Other forms include granules, microencapsulated powders, dispersants, emulsions and the like that are supported on a carrier such as zeolite and have sustained release properties. When these granules, powders, dispersants, emulsions, etc. are sown on the surface of the soil where the plant is planted or mixed with the soil, allyl isothiocyanate in the plant growth regulator is gradually gasified. Besides contacting the plant body, it diffuses into the soil and is taken into the plant body from the roots.
本発明の植物成長調整剤の施用量としては特に限定されず、適用される植物体に応じて適宜調整すればよい。例えば、土壌１５〜１６リットルに対して、アリルイソチオシアネートが１日当り０．５ｍｇ〜２０ｍｇ程度放出されるように施用すれば良く、１日当り３ｍｇ〜６ｍｇとするのが好ましい。アリルイソチオシアネートの土壌中への放出量が１日あたり０．５ｍｇを下回ると、発明の効果が十分に得られない場合があり、２０ｍｇを超えると植物の成長に悪影響を及ぼすおそれがある。
また、空間中に施用する場合は、１日あたり４０〜８０ｍｇ／ｍ３となるよう放出されるように施用することが好ましい。
The application amount of the plant growth regulator of the present invention is not particularly limited, and may be appropriately adjusted according to the applied plant body. For example, allyl isothiocyanate may be applied to 15 to 16 liters of soil so that about 0.5 mg to 20 mg is released per day, and preferably 3 mg to 6 mg per day. If the amount of allyl isothiocyanate released into the soil is less than 0.5 mg per day, the effect of the invention may not be sufficiently obtained, and if it exceeds 20 mg, the growth of the plant may be adversely affected.
Moreover, when applying in space, it is preferable to apply so that it may become 40-80 mg / m < 3 > per day.
以下、実施例によって本発明をさらに詳しく説明する。 Hereinafter, the present invention will be described in more detail with reference to examples.
＜植物成長調整剤の調製＞
以下の表１に記載の処方にて、植物成長調整剤（検体）を調製した。各成分は順次攪拌下添加し溶解した。調製後、図１に示したような徐放性容器１（ＨＤＰＥ（High Density Polyethylene）製の本体１１とＰＰ（Polypropylene）製のキャップ１３からなる筒状容器）に１．４ｍｌ充填した。
尚、検体中のアリルイソチオシアネートは主に徐放性容器１の本体１１を透過して徐々に揮散し、当該容器１を用いた場合、常温常圧下、空気中では６ヶ月程度で充填された植物成長調整剤が全量放出される。
<Preparation of plant growth regulator>
A plant growth regulator (specimen) was prepared according to the formulation shown in Table 1 below. Each component was added and dissolved successively with stirring. After the preparation, 1.4 ml was filled in a sustained release container 1 (cylindrical container comprising a main body 11 made of HDPE (High Density Polyethylene) and a cap 13 made of PP (Polypropylene)) as shown in FIG.
In addition, allyl isothiocyanate in the specimen mainly permeates through the main body 11 of the sustained-release container 1 and gradually volatilizes. When the container 1 is used, it is filled in about 6 months at room temperature and normal pressure. All plant growth regulators are released.
＜揮散量確認試験＞
縦６５ｃｍ×横２３ｃｍ×高さ１８．５ｃｍのプランター（ＰＰ製６５０型プランター）を７個用意し、それぞれに表２に示す土を１５リットル入れた。それぞれのプランターに表１に示す植物成長調整剤を充填した図１の徐放性容器１を３本ずつ、等間隔に差し込み、１８±３℃の室内に２４日間放置した。日に一度、１リットルの散水を行った。
<Volatilization amount confirmation test>
Seven planters (length 650 cm × width 23 cm × height 18.5 cm) (PP-made planter 650 type planter) were prepared, and 15 liters of soil shown in Table 2 was put in each. Three sustained-release containers 1 of FIG. 1 filled with the plant growth regulator shown in Table 1 were inserted into each planter at regular intervals and left in a room at 18 ± 3 ° C. for 24 days. One liter of water was sprayed once a day.
対照として、植物成長調整剤を充填した図１の徐放性容器１を徐放状態とするため同じ空間に放置した。各土に対する２４日後のアリルイソチオシアネートの揮散量を精密天秤による重量測定により測定した。尚、アリルイソチオシアネートの揮散量は３本の平均値とした。その結果を図２に示す。 As a control, the sustained-release container 1 of FIG. 1 filled with a plant growth regulator was left in the same space to bring it into a sustained-release state. The volatilization amount of allyl isothiocyanate after 24 days for each soil was measured by weight measurement with a precision balance. The volatilization amount of allyl isothiocyanate was an average value of three. The result is shown in FIG.
図２に示したグラフからわかるように、徐放状態においては空間中でのアリルイソチオシアネートの揮散量を１本につき一日当り約３．０ｍｇ放出する徐放性容器を使用した場合、各土壌に対しては、１本につき、一日当り約１．５〜２．５ｍｇのアリルイソチオシアネートを揮散できることがわかった。 As can be seen from the graph shown in FIG. 2, in a sustained release state, when a sustained release container that releases about 3.0 mg of allyl isothiocyanate per space per day is used in each soil, In contrast, it was found that about 1.5 to 2.5 mg of allyl isothiocyanate per day can be volatilized.
次に、上記植物成長調整剤の植物体に対する効果についての試験を行った。 Next, the test about the effect with respect to the plant body of the said plant growth regulator was done.
（実施例１）
＜供試植物体＞
植物体として、花弁の付いたペチュニアを用いた。６５ｃｍ×横２３ｃｍ×高さ１８．５ｃｍのプランターを２個用意し、それぞれに赤玉土（自然応用科学株式会社製、赤玉土小粒）と培養土（自然応用科学株式会社製、花と野菜の培養土）の２８：１０混合土１５〜１６リットルを入れた。それぞれのプランターにペチュニアの花弁のついた状態の株を２株ずつ移植した。尚、混合土は以下の実施例においても同様である。
Example 1
<Test plant body>
Petunia with petals was used as the plant body. Prepare two planters of 65cm x 23cm wide x 18.5cm in height, each of which is cultivated with akadama soil (manufactured by Natural Applied Science Co., Ltd., akadama soil granules) and culture soil (manufactured by Natural Applied Science Co., Ltd., flowers and vegetables) 15-16 liters of 28:10 mixed soil. Two strains with petunia petals were transplanted into each planter. The mixed soil is the same in the following examples.
＜試験方法＞
一方のプランターには、図３（ａ）に示すように、植物体（ペチュニア）６を移植したプランター２の両端にプラスチック製の支柱５を立て、全体をナイロン袋４で覆った。各支柱５に表１に示した植物成長調整剤を充填した図１の徐放性容器１を吊り下げ、室温２５℃前後のビニールハウス内に静置して植物成長調整剤処理区（以下、単に「検体処理区」という。）とした。他方のプランターには植物成長調整剤を施用することなくビニールハウス内の場所に静置し、これを無処理区（対照区）とした。１日に一度、１リットル程度散水し、通常の生育を促すために約１０日に一度の間隔で、５００倍希釈した液肥（商品名「ハイポネックス５−１０−５」、株式会社ハイポネックスジャパン製）を１リットル与えた。試験開始からの花弁について、それぞれのプランターごとに咲いている花数と枯れた花数の累計とをカウントした。尚、カウント数はそれぞれ２株の平均値とした。
結果を図４に示す。
<Test method>
In one planter, as shown in FIG. 3A, plastic props 5 were placed on both ends of a planter 2 transplanted with a plant body (petunia) 6, and the whole was covered with a nylon bag 4. The sustained-release container 1 of FIG. 1 filled with the plant growth regulator shown in Table 1 on each column 5 is suspended and left in a greenhouse at a room temperature of about 25 ° C. (hereinafter referred to as a plant growth regulator treatment section). Simply referred to as “specimen treatment zone”). The other planter was left at a place in the greenhouse without applying a plant growth regulator, and this was designated as an untreated zone (control zone). Liquid fertilizer (trade name “Hyponex 5-10-5”, manufactured by Hyponex Japan Co., Ltd.) that is diluted 500 times at intervals of about once every 10 days to sprinkle about 1 liter once a day and promote normal growth. 1 liter was given. For the petals from the start of the test, the number of blooming flowers and the total number of withered flowers for each planter were counted. In addition, the number of counts was the average value of 2 strains.
The results are shown in FIG.
図４（ａ）の結果より、無処理区（対照区）に比べて、検体処理区の方が５月１０日では同程度であったが、５月１９日の時点では咲いている花数が多くなった。また、図４（ｂ）の結果より、枯れて落下した花数にはほとんど変化が見られなかった。これらのことから、検体処理区の方が開花数を増加し、花の開花期間が延長する効果が得られることがわかった。 From the result of FIG. 4 (a), the number of flowers blooming as of May 19 was the same in the sample treatment group on May 10 as compared to the non-treatment group (control group). Increased. Further, from the result of FIG. 4B, almost no change was observed in the number of flowers that withered and dropped. From these facts, it was found that the sample treatment group had the effect of increasing the number of flowering and extending the flowering period.
（実施例２）
＜供試植物体＞
植物体として、花弁の付いたキンギョソウを用いた。縦６５ｃｍ×横２３ｃｍ×高さ１８．５ｃｍのプランターを２個用意し、それぞれに赤玉土（自然応用科学株式会社製、赤玉土小粒）と培養土（自然応用科学株式会社製、花と野菜の培養土）の２８：１０混合土１５〜１６リットルを入れた。それぞれのプランターにキンギョソウの花弁の付いた状態の株を３株ずつ移植した。
(Example 2)
<Test plant body>
Snapdragon with petals was used as a plant body. Prepare two planters measuring 65cm in length x 23cm in width and 18.5cm in height, each of which is red sardine (Natural Applied Science Co., Ltd., red sardine small grains) and cultured soil (Natural Applied Science Co., Ltd., flowers and vegetables 15-16 liters of 28:10 mixed soil of culture soil) was added. Three strains with a snapdragon petal were transplanted to each planter.
＜試験方法＞
一方のプランターには、図３（ｂ）に示すように、植物体（キンギョソウ）６を移植したプランター２の土壌の該植物体６どうしの間（２カ所）に表１に示した植物成長調整剤を充填した図１の徐放性容器１を差し込み、室温２５℃前後のビニールハウス内に静置して植物成長調整剤処理区（以下、単に「検体処理区」という。）とした。他方のプランターには植物成長調整剤を施用することなくビニールハウス内の場所に静置し、これを対照区とした。１日に一度、１リットル程度散水し、約１０日に一度の間隔で、５００倍希釈した液肥（商品名「ハイポネックス５−１０−５」、株式会社ハイポネックスジャパン製）を１リットル与えた。試験開始からの花弁について、それぞれのプランターごとに咲いている花数と枯れた花数の累計とをカウントした。尚、カウント数はそれぞれ３株の平均値とした。
結果を図５に示す。
<Test method>
In one planter, as shown in FIG. 3 (b), the plant growth regulation shown in Table 1 between the two plant bodies 6 in the soil of the planter 2 transplanted with the plant body (Antirrhinum majus) 6 is shown. The sustained-release container 1 of FIG. 1 filled with the agent was inserted and allowed to stand in a greenhouse at a room temperature of about 25 ° C. to obtain a plant growth regulator treatment zone (hereinafter simply referred to as “specimen treatment zone”). The other planter was left in place in the greenhouse without applying a plant growth regulator, and this was used as a control. About 1 liter was sprayed once a day, and 1 liter of liquid fertilizer (trade name “Hyponex 5-10-5”, manufactured by Hyponex Japan Co., Ltd.) diluted 500 times was provided at intervals of about once every 10 days. For the petals from the start of the test, the number of blooming flowers and the total number of withered flowers for each planter were counted. In addition, the number of counts was the average value of 3 stocks.
The results are shown in FIG.
図５（ａ）の結果より、５月１９日の時点で検体処理区の方が対照区に比べて咲いている花数が多くなり、また、その数も経時的に安定していた。そして、図５（ｂ）および（ｃ）の結果より、枯れて落下した花の数が少なく、観測期間における累積落花数がほぼ同じであったことから、検体処理区の方が、開花期間が延長し一度の開花数が増加したことがわかった。 From the result of FIG. 5 (a), the number of flowers in the sample treatment group increased in comparison with the control group as of May 19, and the number was stable over time. From the results of FIGS. 5B and 5C, the number of flowers that withered and dropped was small, and the cumulative number of fallen flowers in the observation period was almost the same. It was found that the number of flowering per flower increased.
（実施例３）
＜供試植物体＞
植物体として、花弁の付いたカーネーションを用いた。縦６５ｃｍ×横２３ｃｍ×高さ１８．５ｃｍのプランターを２個用意し、それぞれに赤玉土（自然応用科学株式会社製、赤玉土小粒）と培養土（自然応用科学株式会社製、花と野菜の培養土）の２８：１０混合土１５〜１６リットルを入れた。それぞれのプランターにカーネーションの花弁の付いた状態の株を３株ずつ移植した。
(Example 3)
<Test plant body>
A carnation with petals was used as a plant body. Prepare two planters measuring 65cm in length x 23cm in width and 18.5cm in height, each of which is red sardine (Natural Applied Science Co., Ltd., red sardine small grains) and cultured soil (Natural Applied Science Co., Ltd., flowers and vegetables 15-16 liters of 28:10 mixed soil of culture soil) was added. Three strains with carnation petals were transplanted to each planter.
＜試験方法＞
一方のプランターには、図３（ｂ）に示したように、プランター２の中央のカーネーション（植物体６）の根本付近の土壌に表１に示した植物成長調整剤を充填した図１の徐放性容器１を１本差し込み、室温２５℃前後のビニールハウス内に静置して植物成長調整剤処理区（以下、単に「検体処理区」という。）とした。他方のプランターには植物成長調整剤を施用することなくビニールハウス内の場所に静置し、これを対照区とした。１日に一度、１リットル程度散水し、約１０日に一度の間隔で、５００倍希釈した液肥（商品名「ハイポネックス５−１０−５」、株式会社ハイポネックスジャパン製）を１リットル与えた。試験開始からの花弁について、それぞれのプランターごとに咲いている花数と枯れた花数の累計とをカウントした。尚、カウント数はそれぞれ３株の平均値とした。
結果を図６に示す。
<Test method>
As shown in FIG. 3B, one planter is filled with the plant growth regulator shown in Table 1 in the soil near the root of the carnation (plant 6) in the center of the planter 2. One release container 1 was inserted and allowed to stand in a greenhouse at a room temperature of about 25 ° C. to obtain a plant growth regulator treatment zone (hereinafter simply referred to as “sample treatment zone”). The other planter was left in place in the greenhouse without applying a plant growth regulator, and this was used as a control. About 1 liter was sprayed once a day, and 1 liter of liquid fertilizer (trade name “Hyponex 5-10-5”, manufactured by Hyponex Japan Co., Ltd.) diluted 500 times was provided at intervals of about once every 10 days. For the petals from the start of the test, the number of blooming flowers and the total number of withered flowers for each planter were counted. In addition, the number of counts was the average value of 3 stocks.
The results are shown in FIG.
図６（ａ）の結果より、５月２４日の時点で対照区と比べて検体処理区の開花数は増加していた。また、図６（ｂ）および（ｃ）の結果より、枯れて落下した花の数が減少し、観察期間を通じた累積落花数がほぼ同じであった。このことから、検体処理区では開花数の増加作用、開花期間の延長作用が認められた。 From the result of FIG. 6A, the number of flowering in the sample-treated group increased as of May 24 as compared to the control group. In addition, from the results of FIGS. 6B and 6C, the number of flowers that withered and dropped decreased, and the cumulative number of fallen flowers throughout the observation period was almost the same. From this, in the sample treatment group, an effect of increasing the number of flowers and an effect of extending the flowering period were observed.
（実施例４）
＜供試植物体＞
植物体として、花弁の付いたテルスターを用いた。縦６５ｃｍ×横２３ｃｍ×高さ１８．５ｃｍのプランターを２個用意し、それぞれに赤玉土（自然応用科学株式会社製、赤玉土小粒）と培養土（自然応用科学株式会社製、花と野菜の培養土）の２８：１０混合土１５〜１６リットルを入れた。それぞれのプランターにテルスターの花弁の付いた状態の株を４株ずつ移植した。
Example 4
<Test plant body>
Telstar with petals was used as the plant body. Prepare two planters measuring 65cm in length x 23cm in width and 18.5cm in height, each of which is red sardine (Natural Applied Science Co., Ltd., red sardine small grains) and cultured soil (Natural Applied Science Co., Ltd., flowers and vegetables 15-16 liters of 28:10 mixed soil of culture soil) was added. Four strains with a Telstar petal were transplanted to each planter.
＜試験方法＞
一方のプランターには、図３（ｂ）に示したように、プランター２の中央付近の土壌に表１に示した植物成長調整剤を充填した図１の徐放性容器１を１本差し込み、室温２５℃前後のビニールハウス内に静置して植物成長調整剤処理区（以下、単に「検体処理区」という。）とした。他方のプランターには植物成長調整剤を施用することなくビニールハウス内の場所に静置し、これを対照区とした。１日に一度、１リットル程度散水し、約１０日に一度の間隔で、５００倍希釈した液肥（商品名「ハイポネックス５−１０−５」、株式会社ハイポネックスジャパン製）を１リットル与えた。試験開始からの花弁について、それぞれのプランターごとに咲いている花数と枯れた花数の累計とをカウントした。尚、カウント数はそれぞれ４株の平均値とした。
結果を図７および図８に示す。
<Test method>
In one planter, as shown in FIG. 3 (b), one slow-release container 1 of FIG. 1 in which the plant growth regulator shown in Table 1 is filled in the soil near the center of the planter 2, The plant was allowed to stand in a greenhouse at a room temperature of about 25 ° C. to obtain a plant growth regulator treatment zone (hereinafter simply referred to as “sample treatment zone”). The other planter was left in place in the greenhouse without applying a plant growth regulator, and this was used as a control. About 1 liter was sprayed once a day, and 1 liter of liquid fertilizer (trade name “Hyponex 5-10-5”, manufactured by Hyponex Japan Co., Ltd.) diluted 500 times was provided at intervals of about once every 10 days. For the petals from the start of the test, the number of blooming flowers and the total number of withered flowers for each planter were counted. In addition, the count number was an average value of 4 strains.
The results are shown in FIG. 7 and FIG.
図７（ａ）〜（ｃ）の結果より、６月２１日の時点で枯れて落下した花の数、試験期間を通じた落花数はほぼ同等であるが、対照区と比べて検体処理区の開花数が増加していることがわかった。これにより、検体処理区の開花期間の延長作用が認められた。また、図８（ａ）に示した対照区の観察結果と図８（ｂ）に示した検体処理区の観察結果より、検体処理区の方が開花数が増えていることが明らかである。 From the results of FIGS. 7 (a) to (c), the number of flowers that withered and dropped as of June 21 and the number of fallen flowers throughout the test period are almost the same. It was found that the number of flowering increased. Thereby, the extension effect | action of the flowering period of a sample process area was recognized. Further, it is clear from the observation result of the control group shown in FIG. 8A and the observation result of the sample treatment group shown in FIG. 8B that the number of flowering is increased in the sample treatment group.
（実施例５）
＜供試植物体＞
植物体として、花弁の開いていないミニトマトを用いた。縦６５ｃｍ×横２３ｃｍ×高さ１８．５ｃｍのプランターを２個用意し、それぞれに赤玉土（自然応用科学株式会社製、赤玉土小粒）と培養土（自然応用科学株式会社製、花と野菜の培養土）の２８：１０混合土１５〜１６リットルを入れた。それぞれのプランターにミニトマトの花芽の付いていない状態の株を３株ずつ移植した。
(Example 5)
<Test plant body>
As a plant body, cherry tomatoes having no petals were used. Prepare two planters measuring 65cm in length x 23cm in width and 18.5cm in height, each of which is red sardine (Natural Applied Science Co., Ltd., red sardine small grains) and cultured soil (Natural Applied Science Co., Ltd., flowers and vegetables 15-16 liters of 28:10 mixed soil of culture soil) was added. Three strains without the cherry buds were transplanted to each planter.
＜試験方法＞
一方のプランターには、図３（ｂ）に示したように、中央のミニトマト（植物体６）の根本付近の土壌に表１に示した植物成長調整剤を充填した図１の徐放性容器１を１本差し込み、室温２５℃前後のビニールハウス内に静置して植物成長調整剤処理区（以下、単に「検体処理区」という。）とした。他方のプランターには植物成長調整剤を施用することなくビニールハウス内の場所に静置し、これを対照区とした。１日に一度、１リットル程度散水し、約１０日に一度の間隔で、５００倍希釈した液肥（商品名「ハイポネックス５−１０−５」、株式会社ハイポネックスジャパン製）を１リットル与えた。試験開始からの花弁について、それぞれのプランターごとに咲いている花数と結実した果実数とをカウントした。尚、カウント数はそれぞれ３株の平均値とした。
結果を図９に示す。
<Test method>
In one planter, as shown in FIG. 3 (b), the sustained release property of FIG. 1 in which the soil near the root of the central cherry tomato (plant 6) is filled with the plant growth regulator shown in Table 1. One container 1 was inserted and allowed to stand in a greenhouse at a room temperature of about 25 ° C. to obtain a plant growth regulator treatment zone (hereinafter simply referred to as “sample treatment zone”). The other planter was left in place in the greenhouse without applying a plant growth regulator, and this was used as a control. About 1 liter was sprayed once a day, and 1 liter of liquid fertilizer (trade name “Hyponex 5-10-5”, manufactured by Hyponex Japan Co., Ltd.) diluted 500 times was provided at intervals of about once every 10 days. For the petals from the start of the test, the number of blooming flowers and the number of fruited fruits were counted for each planter. In addition, the number of counts was the average value of 3 stocks.
The results are shown in FIG.
図９（ａ）および（ｂ）の結果より、５月２４日の時点で対照区と比べて検体処理区の方が開花時期が早くなっていることがわかった。処理区では開花の観察された５月１０日の時点では検体処理区、無処理区共に結実は見られなかったことから、開花の促進に伴い結実の時期も早まっていることがわかった。また、検体処理区の一定期間内の開花数、結実数が増加していることがわかった。 From the results of FIGS. 9A and 9B, it was found that the flowering time was earlier in the sample treatment group as compared with the control group as of May 24. In the treated area, no fruiting was observed in the sample treated area and the untreated area as of May 10, when flowering was observed. Therefore, it was found that the fruiting period was accelerated with the promotion of flowering. It was also found that the number of flowering and fruiting within a certain period of the sample treatment area increased.
（実施例６）
＜供試植物体＞
植物体として、花弁の付いたサルビアを用いた。縦６５ｃｍ×横２３ｃｍ×高さ１８．５ｃｍのプランターを２個用意し、それぞれに赤玉土（自然応用科学株式会社製、赤玉土小粒）と培養土（自然応用科学株式会社製、花と野菜の培養土）の２８：１０混合土１５〜１６リットルを入れた。それぞれのプランターにサルビアの一部花弁のついた状態の株を３株ずつ移植した。
(Example 6)
<Test plant body>
Salvia with petals was used as the plant body. Prepare two planters measuring 65cm in length x 23cm in width and 18.5cm in height, each of which is red sardine (Natural Applied Science Co., Ltd., red sardine small grains) and cultured soil (Natural Applied Science Co., Ltd., flowers and vegetables 15-16 liters of 28:10 mixed soil of culture soil) was added. Three strains of salvia with some petals were transplanted to each planter.
＜試験方法＞
一方のプランターには、図３（ｂ）に示したように、中央のサルビア（植物体６）の根本付近の土壌に表１に示した植物成長調整剤を充填した図１の徐放性容器１を１本差し込み、室温２５℃前後のビニールハウス内に静置して植物成長調整剤処理区（以下、単に「検体処理区」という。）とした。他方のプランターには植物成長調整剤を施用することなくビニールハウス内の場所に静置し、これを対照区とした。日に一度、１リットル程度散水し、約１０日に一度の間隔で、５００倍希釈した液肥（商品名「ハイポネックス５−１０−５」、株式会社ハイポネックスジャパン製）を１リットル与えた。試験開始からの花弁について、それぞれのプランターごとに咲いている花数と枯れて落下した花数とをカウントした。尚、カウント数はそれぞれ３株の平均値とした。
結果を図１０に示す。
<Test method>
In one planter, as shown in FIG. 3 (b), the sustained release container of FIG. 1 in which the soil near the root of the central salvia (plant 6) is filled with the plant growth regulator shown in Table 1. 1 was inserted and allowed to stand in a greenhouse with a room temperature of around 25 ° C. to obtain a plant growth regulator treatment zone (hereinafter simply referred to as “sample treatment zone”). The other planter was left in place in the greenhouse without applying a plant growth regulator, and this was used as a control. About 1 liter of water was sprayed once a day, and 1 liter of liquid fertilizer (trade name “Hyponex 5-10-5”, manufactured by Hyponex Japan Co., Ltd.) diluted 500 times was provided at intervals of about once every 10 days. For the petals from the start of the test, the number of flowers that bloomed and the number of flowers that fell with each planter were counted. In addition, the number of counts was the average value of 3 stocks.
The results are shown in FIG.
図１０（ａ）および（ｂ）の結果より、花弁のつき始める段階から対照区と比べて検体処理区の開花数はわずかに増加していることがわかった。また、２週間経過後（５月２４日時点）における枯れた花の数が減少していることがわかった。これにより、検体処理区の開花期間の延長効果が認められた。 From the results of FIGS. 10 (a) and (b), it was found that the number of flowering in the sample treatment group slightly increased compared to the control group from the beginning of petaling. It was also found that the number of withered flowers decreased after the lapse of 2 weeks (as of May 24). As a result, the effect of extending the flowering period in the sample treatment area was recognized.
（実施例７）
＜供試植物体＞
植物体として、花弁の付いたラベンダーを用いた。縦６５ｃｍ×横２３ｃｍ×高さ１８．５ｃｍのプランターを２個用意し、それぞれに赤玉土（自然応用科学株式会社製、赤玉土小粒）と培養土（自然応用科学株式会社製、花と野菜の培養土）の２８：１０混合土１５〜１６リットルを入れた。それぞれのプランターにラベンダーの花弁がついた状態の株を２株ずつ移植した。
(Example 7)
<Test plant body>
Lavender with petals was used as the plant body. Prepare two planters measuring 65cm in length x 23cm in width and 18.5cm in height, each of which is red sardine (Natural Applied Science Co., Ltd., red sardine small grains) and cultured soil (Natural Applied Science Co., Ltd., flowers and vegetables 15-16 liters of 28:10 mixed soil of culture soil) was added. Two strains with lavender petals were transplanted into each planter.
＜試験方法＞
一方のプランターには、図３（ｂ）に示したように、プランター２の中央付近の土壌に表１に示した植物成長調整剤を充填した図１の徐放性容器１を１本差し込み、室温２５℃前後のビニールハウス内に静置して植物成長調整剤処理区（以下、単に「検体処理区」という。）とした。他方のプランターには植物成長調整剤を施用することなくビニールハウス内の場所に静置し、これを対照区とした。１日に一度、１リットル程度散水し、約１０日に一度の間隔で、５００倍希釈した液肥（商品名「ハイポネックス５−１０−５」、商品名、株式会社ハイポネックスジャパン製）を１リットル与えた。試験開始からの花弁について、それぞれのプランターごとに咲いている花数と枯れた花数とをカウントした。尚、カウント数はそれぞれ２株の平均値とした。
結果を図１１に示す。
<Test method>
In one planter, as shown in FIG. 3 (b), one slow-release container 1 of FIG. 1 in which the plant growth regulator shown in Table 1 is filled in the soil near the center of the planter 2, The plant was allowed to stand in a greenhouse at a room temperature of about 25 ° C. to obtain a plant growth regulator treatment zone (hereinafter simply referred to as “sample treatment zone”). The other planter was left in place in the greenhouse without applying a plant growth regulator, and this was used as a control. Sprinkle about 1 liter once a day and give 1 liter of liquid fertilizer (trade name “Hyponex 5-10-5”, trade name, manufactured by Hyponex Japan, Inc.) at an interval of about once every 10 days. It was. Regarding the petals from the start of the test, the number of blooming flowers and the number of withered flowers were counted for each planter. In addition, the number of counts was the average value of 2 strains.
The results are shown in FIG.
図１１の結果より、６月１４日の時点で対照区に比べて検体処理区の方が咲いている花数は多く、一度の開花数が増加することがわかった。 From the result of FIG. 11, it was found that the number of flowers in the sample treatment group was larger than that of the control group on June 14, and the number of flowering at one time increased.
（実施例８）
＜供試植物体＞
植物体として、花弁の付いたカルセオラリアを用いた。縦６５ｃｍ×横２３ｃｍ×高さ１８．５ｃｍのプランターを２個用意し、それぞれに赤玉土（自然応用科学株式会社製、赤玉土小粒）と培養土（自然応用科学株式会社製、花と野菜の培養土）の２８：１０混合土１５〜１６リットルを入れた。それぞれのプランターにカルセオラリアの花弁がついた状態の株を１株ずつ移植した。
(Example 8)
<Test plant body>
Calceolaria with petals was used as the plant body. Prepare two planters measuring 65cm in length x 23cm in width and 18.5cm in height, each of which is red sardine (Natural Applied Science Co., Ltd., red sardine small grains) and cultured soil (Natural Applied Science Co., Ltd., flowers and vegetables 15-16 liters of 28:10 mixed soil of culture soil) was added. Each planter was transplanted one strain with a petal of calceolaria.
＜試験方法＞
図３（ｂ）に示したように、一方のプランター２には、カルセオラリア（植物体６）の根本付近の土壌に表１に示す植物成長調整剤を充填した図１の徐放性容器１を１本差し込み、室温２５℃前後のビニールハウス内に静置して植物成長調整剤処理区（以下、単に「検体処理区」という。）とした。他方のプランターには植物成長調整剤を施用することなくビニールハウス内の場所に静置し、これを対照区とした。１日に一度、１リットル程度散水し、約１０日に一度の間隔で、５００倍希釈した液肥（商品名「ハイポネックス５−１０−５」、株式会社ハイポネックスジャパン製）を１リットル与えた。試験開始からの花弁について、それぞれのプランターごとに枯れて落下した花数をカウントした。
結果を図１２および図１３に示す。
<Test method>
As shown in FIG. 3 (b), one planter 2 has the sustained-release container 1 of FIG. 1 in which the soil near the root of the calceolaria (plant 6) is filled with the plant growth regulator shown in Table 1. One was inserted and allowed to stand in a greenhouse with a room temperature of around 25 ° C. to obtain a plant growth regulator treatment zone (hereinafter simply referred to as “sample treatment zone”). The other planter was left in place in the greenhouse without applying a plant growth regulator, and this was used as a control. About 1 liter was sprayed once a day, and 1 liter of liquid fertilizer (trade name “Hyponex 5-10-5”, manufactured by Hyponex Japan Co., Ltd.) diluted 500 times was provided at intervals of about once every 10 days. For the petals from the start of the test, the number of flowers that withered and fell for each planter was counted.
The results are shown in FIGS.
図１２の結果より、３月１５日の時点で対照区に比べて検体処理区の方が枯れて落下した花の数が少なく、開花期間が延長されることがわかった。また、図１３（ａ）に示した対照区の観察結果と図１３（ｂ）に示した検体処理区の観察結果より、対照区では観察開始（２月２２日）から約３週間後（３月１５日）で多くの花弁が枯れて落下したのに対し、検体処理区では観察開始と約３週間後とでほとんど花数の変化が見られない。このことから、検体処理区の方が、開花期間が延長されていることは明らかである。 From the results shown in FIG. 12, it was found that the number of flowers that withered and dropped in the sample treatment group was smaller than that of the control group on March 15, and the flowering period was extended. Further, from the observation result of the control group shown in FIG. 13 (a) and the observation result of the sample treatment group shown in FIG. 13 (b), in the control group, about 3 weeks after the start of observation (February 22) (3 On the 15th of March, many petals withered and dropped, whereas in the sample treatment area, there was almost no change in the number of flowers between the start of observation and about 3 weeks later. From this, it is clear that the flowering period is extended in the specimen treatment section.
本発明は、アリルイソチオシアネートの新たな用途として、植物成長促進活性を見出し、農作物や観賞用の花卉などの栽培において、花や実の成長を促進し、しかも観賞を楽しむ時間を長くすることができる植物成長調整剤、および該植物成長調整剤を用いて植物の成長を促進させる生育方法を提供する。
本発明の植物成長調整剤を用いることで、花や農作物の開花、結実を促進させることができ、収量を増加させることができるので、農業分野および園芸分野で好適に利用することができる。
As a new use of allyl isothiocyanate, the present invention finds plant growth promoting activity, promotes the growth of flowers and fruits in cultivation of crops and ornamental flower buds, etc., and extends the time for enjoying the viewing. A plant growth regulator that can be produced, and a growth method that promotes the growth of plants using the plant growth regulator.
By using the plant growth regulator of the present invention, flowering and fruiting of flowers and crops can be promoted and the yield can be increased, so that it can be suitably used in the agricultural and horticultural fields.
１ 徐放性容器
２ プランター
４ ナイロン袋
５ 支柱
６ 植物体
１１ 本体
１３ キャップ
1 Controlled Release Container 2 Planter 4 Nylon Bag 5 Prop 6 Plant 11 Body 13 Cap
Claims (4)
アリルイソチオシアネートを有効成分として含有し、開花促進作用、開花数増加作用および結実促進作用のいずれかの植物成長促進活性を有することを特徴とする植物成長調整剤。 A plant growth regulator for use with respect to at least one plant selected from the group consisting of cynomolgus family plants, urchinaceae plants, solanaceous plants and perilla plants,
A plant growth regulator comprising allyl isothiocyanate as an active ingredient and having a plant growth promoting activity of any of flowering promoting action, flowering number increasing action and fruit setting promoting action .
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