CN114176078A - Defoliation method in production of fresh cut flowers of salix cheilowii - Google Patents

Defoliation method in production of fresh cut flowers of salix cheilowii Download PDF

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Publication number
CN114176078A
CN114176078A CN202111554682.7A CN202111554682A CN114176078A CN 114176078 A CN114176078 A CN 114176078A CN 202111554682 A CN202111554682 A CN 202111554682A CN 114176078 A CN114176078 A CN 114176078A
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salix
defoliation
production
cut flowers
fresh cut
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CN202111554682.7A
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Chinese (zh)
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汪云富
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Yunnan Shengjie Agriculture And Animal Husbandry Development Co ltd
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Yunnan Shengjie Agriculture And Animal Husbandry Development Co ltd
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Publication of CN114176078A publication Critical patent/CN114176078A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N27/00Biocides, pest repellants or attractants, or plant growth regulators containing hydrocarbons
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G5/00Floral handling
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N37/00Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/42Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing within the same carbon skeleton a carboxylic group or a thio analogue, or a derivative thereof, and a carbon atom having only two bonds to hetero atoms with at the most one bond to halogen, e.g. keto-carboxylic acids
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N57/00Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
    • A01N57/18Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
    • A01N57/20Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds containing acyclic or cycloaliphatic radicals

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Cultivation Of Plants (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention relates to the technical field of flower cultivation, in particular to a defoliation method in the production of fresh cut flowers of salix cheilophila. The defoliation method in the production of the fresh cut flowers of the salix cheilowii comprises the following steps: s1, before and after 10 months of each year, when the differentiation of the salix cheilophila flower buds is completed, watering the plant to be treated thoroughly; s2, uniformly spraying 40% ethephon 400 times solution and 99% abscisic acid 3000 times solution on the surfaces of plants and leaves; s3 is sprayed once with 40 percent ethephon 500 times liquid and 99 percent abscisic acid 3000 times liquid after 15 days, and is evenly sprayed on the surface of the leaf; s4, keeping the salix cheilophila in a drought state, waiting for the leaves to fall off, and achieving a leaf-off rate of 90-95% after 20-25 days. Aiming at the defects of the prior art, the invention provides the defoliation method in the production of the fresh cut flowers of the salix cheilowii, which has the advantages of low cost, good defoliation effect, safety and harmlessness.

Description

Defoliation method in production of fresh cut flowers of salix cheilowii
Technical Field
The invention relates to the technical field of flower cultivation, in particular to a defoliation method in the production of fresh cut flowers of salix cheilophila.
Background
Salix cheilophila, also known as five-cereal tree, belongs to the family Oleaceae and belongs to the genus arbour. The fine leaves are as willow leaves, are good flower-looking shrubs and can also be used for cutting flowers, and the flowers are white and full of branches in the flowering season and are like white snow, so that the willow leaf-shaped sweet potato is a very good honey source plant.
The natural leaf fall period of the salix cheilophila in Kunming is 12 months to 1 month in the next year, the natural flowering period is 2-3 months, and the salix cheilophila has short flowering period and is very concentrated, so that product overstock and lost circulation often occur in fresh cut peanuts. To solve this problem, it is necessary to advance the defoliation stage (early defoliation) by 10 months per year. The product grown after the blade falls off has a high value as desired. The growth habit of the variety is a normal leaf fall period from 12 months per year to 1 month per year, the leaves are small and the number of the leaves is large, manual leaf removal is carried out, the workload is large, the efficiency is low, and flower branches can be damaged by adopting mechanical leaf removal. Therefore, the method for removing the leaves of the salix cheilowii, which is low in cost, good in leaf removing effect, safe and harmless, is urgently needed to be developed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the defoliation method in the production of the fresh cut flowers of the salix cheilowii, which has the advantages of low cost, good defoliation effect, safety and harmlessness.
The technical scheme of the invention is realized as follows: a defoliation method in the production of fresh cut flowers of salix cheilophila is characterized by comprising the following steps:
s1), before and after 10 months every year, when the differentiation of the salix cheilophila flower buds is finished, watering the plant to be treated thoroughly;
s2), uniformly spraying 40% ethephon 400 times solution and 99% abscisic acid 3000 times solution on the surfaces of plants and leaves;
s3), spraying 40% ethephon 500 times liquid and 99% abscisic acid 3000 times liquid once after 15 days, and uniformly spraying on the surface of the leaf;
s4), keeping the salix cheilophila in a drought state, waiting for the leaves to fall off, and achieving a leaf-falling rate of 90-95% after 20-25 days.
Preferably, in the spraying process, the front and the back of the leaves are uniformly sprayed, and the treatment standard is that the leaves have liquid medicine in a drop shape.
In the spraying process, atomization spraying is adopted, and the whole plant of the salix cheilowii is sprayed thoroughly.
Preferably, the steps S2 and S3 further include building a plastic film on top of the plant to block light and rain.
The invention solves the defects in the background technology and has the following beneficial effects:
the invention provides a defoliation method in the production of fresh cut flowers of salix cheilophila, which has the advantages of low cost, good defoliation effect, safety and harmlessness. The invention adopts natural abscisic acid in plant bodies as a main effective active ingredient, and ethephon is reasonably added to induce the content of endogenous abscisic acid in plants to be continuously increased and balance hormone change to realize plant defoliation, thereby destroying auxin and promoting abscission. Compared with the traditional defoliant, the defoliant reduces the use amount of chemical pesticides, reduces the soil environmental pollution and pesticide residues, and saves the agricultural production cost. Compared with manual defoliation or mechanical defoliation, the defoliation efficiency is improved, the labor cost is saved, and meanwhile, the product is sold on the market for 2-3 months earlier, so that better economic benefit is obtained.
Detailed Description
Example 1
A defoliation method in the production of fresh cut flowers of salix cheilophila is characterized by comprising the following steps:
s1), before and after 10 months every year, when the differentiation of the salix cheilophila flower buds is finished, watering the plant to be treated thoroughly;
s2), building a plastic film at the top of the plant to shield light and rain, and uniformly spraying 40% ethephon 400 times solution and 99% abscisic acid 3000 times solution on the surfaces of the plant and the leaves; the front and back of the leaf are uniformly sprayed, the treatment standard is that the liquid medicine on the leaf surface is in a drop shape, in the spraying process, atomization spraying is adopted, and the whole plant of the salix cheilowii is sprayed thoroughly.
S3), spraying 40% ethephon 500 times liquid and 99% abscisic acid 3000 times liquid once after 15 days, and uniformly spraying on the surface of the leaf;
s4), keeping the salix cheilophila in a drought state, waiting for the leaves to fall off, and achieving a leaf-falling rate of 90-95% after 20-25 days.
The implementation process of the invention is as follows: before treatment, the plant to be treated is watered thoroughly to cause water stress, so that the falling of the leaves can be accelerated. The invention adopts natural abscisic acid in plant bodies as a main effective active ingredient, and ethephon is reasonably added to induce the content of endogenous abscisic acid in plants to be continuously increased and balance hormone change to realize plant defoliation, thereby destroying auxin and promoting abscission. Compared with the traditional defoliant, the defoliant reduces the use amount of chemical pesticides, reduces the soil environmental pollution and pesticide residues, and saves the agricultural production cost. By selecting 10 months (the length of autumn day is shortened), and building a plastic film on the top of the plant to shield the illumination, the sunlight irradiation is reduced, and the falling of the leaves can be further accelerated.
And (3) comparison test:
the method is developed in a planting base in a Kunming tribute flower plantation, three acres of land are taken to plant the salix cheilowii respectively, and then the three groups are averagely divided for testing.
One group was defoliated by the defoliation method of example 1 and the defoliation effect was counted after the treatment was completed.
One group, control example 1: in contrast to example 1, defoliation was carried out using a 500-fold aqueous solution diluted with a conventional magnesium chlorate defoliating agent.
One group, control example 2: unlike example 1, the plants were watered thoroughly without step S1.
And (5) counting the defoliation effect after the treatment is finished.
20 salix cheilophila is marked at each fixed point in each mu of test field for investigation, and on the spraying day, the number of leaves of the plants is respectively investigated 5 days, 10 days, 15 days, 20 days and 25 days after the spraying, and the defoliation rate is calculated. The results are summarized in Table 1.
TABLE 1 comparison of defoliation rates for different treatments
Figure BDA0003418759990000031
As is clear from Table 1, the defoliating effect of the present invention is superior to that of comparative examples 1 and 2, and the defoliating effect of example 1 is significant after 10 days, the defoliating rate is 95% 25 days after the application of the drug, and the effect of comparative example 1 can be achieved only 15 days after the treatment. Meanwhile, the effect of example 1 is superior to that of comparative example 2, and it can be also found that the plants are watered thoroughly in the early stage, which causes water stress to cause or accelerate shedding.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (4)

1. A defoliation method in the production of fresh cut flowers of salix cheilophila is characterized by comprising the following steps:
s1), before and after 10 months every year, when the differentiation of the salix cheilophila flower buds is finished, watering the plant to be treated thoroughly;
s2), uniformly spraying 40% ethephon 400 times solution and 99% abscisic acid 3000 times solution on the surfaces of plants and leaves;
s3), spraying 40% ethephon 500 times liquid and 99% abscisic acid 3000 times liquid once after 15 days, and uniformly spraying on the surface of the leaf;
s4), keeping the salix cheilophila in a drought state, waiting for the leaves to fall off, and achieving a leaf-falling rate of 90-95% after 20-25 days.
2. The defoliation method in the production of the fresh cut flowers of salix cheilophila according to claim 1, wherein the defoliation method comprises the following steps: in the spraying process, the front and the back of the leaves are uniformly sprayed, and the treatment standard is that the leaves have liquid medicine in a drop shape.
3. The defoliation method in the production of the fresh cut flowers of salix cheilophila according to claim 1, wherein the defoliation method comprises the following steps: in the spraying process, atomization spraying is adopted, and the whole plant of the salix cheilowii is sprayed thoroughly.
4. The defoliation method in the production of the fresh cut flowers of salix cheilophila according to claim 1, wherein the defoliation method comprises the following steps: in the steps S2 and S3, a plastic film is built on the top of the plant to shield light and rain.
CN202111554682.7A 2021-12-17 2021-12-17 Defoliation method in production of fresh cut flowers of salix cheilowii Pending CN114176078A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116138103A (en) * 2023-04-07 2023-05-23 杭州润土园艺科技有限公司 Method for cutting branches and removing leaves of North America ilex

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105104101A (en) * 2015-07-23 2015-12-02 连云港市农业科学院 Method for off-season full crown transplanting of trees
CN109197254A (en) * 2018-09-30 2019-01-15 云南盛节农牧开发有限公司 A method of the regulation meadow sweet florescence
CN111587730A (en) * 2020-06-16 2020-08-28 棕榈生态城镇发展股份有限公司 Efficient defoliation method for evergreen magnolia

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105104101A (en) * 2015-07-23 2015-12-02 连云港市农业科学院 Method for off-season full crown transplanting of trees
CN109197254A (en) * 2018-09-30 2019-01-15 云南盛节农牧开发有限公司 A method of the regulation meadow sweet florescence
CN111587730A (en) * 2020-06-16 2020-08-28 棕榈生态城镇发展股份有限公司 Efficient defoliation method for evergreen magnolia

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116138103A (en) * 2023-04-07 2023-05-23 杭州润土园艺科技有限公司 Method for cutting branches and removing leaves of North America ilex

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