CN102531787A - Preparation for improving wheat dry and hot wind resistance and application method thereof - Google Patents
Preparation for improving wheat dry and hot wind resistance and application method thereof Download PDFInfo
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- CN102531787A CN102531787A CN2012100137861A CN201210013786A CN102531787A CN 102531787 A CN102531787 A CN 102531787A CN 2012100137861 A CN2012100137861 A CN 2012100137861A CN 201210013786 A CN201210013786 A CN 201210013786A CN 102531787 A CN102531787 A CN 102531787A
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Abstract
The invention belongs to the technical field of preparation for improving wheat dry and hot wind resistance, which is used for improving wheat output, particularly relates to a preparation for resisting wheat dry and hot wind damage before harvesting and an application method of the preparation, and in particular to a preparation for improving wheat dry and hot wind resistance and an application method of the preparation. The preparation can effectively improve the resistance of wheat on dry and hot wind, so that the wheat can grow normally and obtain higher grain yield under slight or middle-level dry and hot wind damage (the light dry and hot wind day is that the daily maximum temperature is less than or equal to 32 DEG C, the relative humidity is greater than or equal to 30% at 14:00, the wind speed is less than or equal to 2m/second at 14:00.).
Description
Technical field
The invention belongs to wheat hot dry wind resistance with the technical field of preparation, particularly resist the resistance preparation and the application method thereof of the preceding hot dry wind harm of harvesting wheat, be specially a kind of preparation and application method thereof that improves wheat hot dry wind resistance with the raising wheat yield.
Background technology
[0002] hot dry wind is a kind of diastrous weather during China's the Yellow River and Huai He River Hai Mai district wheat grain filling, and the middle and later periods of how before the wheat maturation, promptly being in the milk takes place, and is big to the production loss of wheat, is dry, high temperature and three kinds of coefficient results of weather three elements of wind.The end of spring and the beginning of summer, be again simultaneously period fine, short of rain before the northern China arriving in rainy season the season of Northern Hemisphere sun direct projection angle maximum just.In the control of dry air mass down, day fine, dry here, wind is many, ground heats soon (average maximum air temperature can reach 25-30 ℃), and to cause the chance of rain few for cloud with fixed attention, forms hot dry wind easily.This hot dry wind, it is unfavorable that the Yellow River and Huai He River sea wheat growth of later stage is grown.The hazard rating of hot dry wind, also relevant with the weather conditions that hot dry wind occurs a few days ago.Like rain after fine suddenly, and then the scorching weather of high temperature low humidity appear, endanger heavylier, before taking place like hot dry wind precipitation or irrigation are arranged slightly, then can alleviate hot dry wind harm.From the morning and evening of sowing time, the late sowing wheat is injured easily, and farmer's proverb is said: " early paddy wheat in evening, 10 years nine bad " that is to say that wheat milking maturity that when Grain Full, also is not in the milk in the Yellow River and Huai He River Hai Mai district is easy to receive hot dry wind and endangers.
The harm of hot dry wind mainly is that the interior moisture of wheat body is evaporated rapidly; Wheat physiological metabolism activity is stagnated, and photosynthetic unit wrecks, and existing photosynthate stops the migration to seed; It is ripe to cause high temperature to force, the hot dry wind of local area even can cause wheat blue or green withered and dead.Positions such as the awns of wheat plant, fringe, blade and stem stalk all can be injured, blue or green withered bleach or blade is crispaturaed and withered after from the top to the base portion dehydration, and clever shell becomes white or pearl, and seed is shrivelled, and thousand seed weight descends, and has a strong impact on the output and the quality of wheat.
Summary of the invention
The purpose of this invention is to provide a kind of preparation that improves wheat to the hot dry wind resistance; This hot dry wind resistance preparation can improve the tolerance of wheat to hot dry wind effectively; (daily maximum temperature is less than or equal to 32 ℃ slight or medium to make wheat; It is light hot dry wind day that 14 o'clock relative humidity is less than or equal to 2 meter per seconds more than or equal to 30%, 14 o'clock wind speed) in hot dry wind when harm, can normal growth and obtain higher seed output.
The present invention also provides the application method of this hot dry wind resistance preparation.
The technical scheme of resistance preparation of the present invention is: a kind of raising wheat hot dry wind resistance preparation, and it consists of following component by weight:
Potassium primary phosphate (KH
2PO
4) 80-100 part, borax (Na
2B
4O
710H
2O) 20-25 part, zinc sulfate (ZnSO
4) 20-30 part, calcium chloride (CaCl
2) 10 parts, naphthylacetic acid (C
12H
10O
2) 0.3 part, suberic acid diethyl ester (CH
2(COOC
2H
5)
2) 0.4 part.
The application method that improves wheat hot dry wind resistance preparation is:
Behind the wheat poplar bloassom, grouting foliage-spray in mid-term: before spraying, wheat hot dry wind resistance preparation is diluted to ultimate density with clear water in proportion, the amount of spraying is with every mu of 30-40L; Ultimate density is: in 1kg, and potassium primary phosphate (KH
2PO
4) 8-10g, borax (Na
2B
4O
710H
2O) 2-2.5g, zinc sulfate (ZnSO
4) 2-3g, calcium chloride (CaCl
2) 1g, naphthylacetic acid (C
12H
10O
2) 30mg, suberic acid diethyl ester (CH
2(COOC
2H
5)
2) 40 mg, surplus is a water.
The time that sprays preferably is selected at dusk, help wheat night the antagonism preparation absorb fully; Preferably beginning in 10 days behind the wheat poplar bloassom of medication time; Method of use is a foliage-spray; Access times are 2-3 time; The medication interval phase is 5-10 days.
The component that hot dry wind resistance preparation of the present invention is selected for use is not merely as nutritive element, and main is: potassium primary phosphate (KH
2PO
4) have the wheat of promotion photosynthesis, replenish effective nutritive element rapidly, improve wheat hot dry wind resistance; Promote the growth of stem, leaf, grain, make wheat stalk slightly full of leaves, lodging tolerance strengthens; Setting percentage improves, full grains, and thousand seed weight increases; Functions such as diseases and insect pests resistance raising, seed quality improve.
Suberic acid diethyl ester (CH
2(COOC
2H
5)
2) can remove reactive oxygen species (the Reactive oxygen species that wheat cell produces owing to high temperature stress; ROS), the cytolemma disturbance (perturbations) in the low wet environment of high temperature and the reactive oxygen species of lightsystem generation; In addition, suberic acid diethyl ester (CH
2(COOC
2H
5)
2) can also promote the wheat leaf blade cell to Ca
2+Absorption, Ca
2+The increase of concentration can be strengthened the regulation and control of wheat to the blade pore, helps making full use of of the interior moisture of plant body.
Borax (Na
2B
4O
710H
2O), zinc sulfate (ZnSO
4) can quicken chlorophyllous synthesizing, stablize lightsystem, through the reinforcement of plant self photosynthetical system; Improve membrane protective property enzymic activitys such as SOD, POD, CAT in the plant cell; The protection membrane structure keeps cellular physiological activity, improves the defensive ability/resistance ability of wheat to hot dry wind.
Naphthylacetic acid (C
12H
10O
2) get in the plant materials back with the nutritional flow transporting in vegetative point and seed, promote the transfer of dry-matter in seed in the plant body, and through increasing cell membrane stability, the raising plant is resisted the hot dry wind ability.
Therefore, resistance preparation of the present invention makes the hot-dry wind tolerance ability of wheat plant reach the strongest state through its synergy.
Beneficial effect of the present invention is:
1, the present invention strengthens equal angles from nutritive equilibrium, pore adjusting, the activation of membrane protective property enzymic activity, photosynthetic Elementary Function, and multipath promotes wheat hot dry wind resistance.
2, the present invention can improve the tolerance of wheat to hot dry wind effectively; Make that wheat can (daily maximum temperature be less than or equal to 32 ℃ slight or medium; It is light hot dry wind day that 14 o'clock relative humidity is less than or equal to 2 meter per seconds more than or equal to 30%, 14 o'clock wind speed) in hot dry wind when harm, can normal growth and obtain higher seed output.Adopt resistance preparation of the present invention can significantly improve wheat leaf blade Net Photosynthetic Rate, bioenzyme activity, the dry-matter reallocation ratio in seed under the hot dry wind weather condition, make the wheat seed output wheatland of more not taking measures improve 15-20%; Adopt resistance preparation of the present invention to make wheat leaf blade superoxide-dismutase (Superoxide Dismutase, SOD) active raising 20.1%, seed grouting speed raising 23.1%, stomatal conductance (G
s) reduce by 14.2%, photosynthetic rate (P
n) improving 15.3%, the overground part dry-matter accumulation increases by 10.3%, and thousand seed weight increases by 11.4%, and seed output improves 15.9%; It is thus clear that, adopt resistance preparation of the present invention to improve the tolerance of wheat effectively to hot dry wind, make wheat meet with the higher output of acquisition under slight or the moderate hot dry wind condition.
Table 1, table 2 be 2009/2010 and 2010/2011 year in the Changqing, Jinan City, Shandong Province 2 annual test-results of seed multiplication farm.
Duration of test on May 23rd, 2010 and Mays 21 in 2011 daily meet with hot dry wind weather, and meteorological conditions is: 33 ℃ of daily maximum temperatures, and 27%, 14 o'clock wind speed 3 meter per second of 14 o'clock relative humidity, said meteorological conditions has reached moderate hot dry wind diastrous weather.Superoxide dismutase activity, seed grouting speed, stomatal conductance, photosynthetic rate and overground part dry-matter accumulation five indices are by Crop Inst. of shandong Prov. Agriculture science Academy's experimental determination; Wherein the superoxide dismutase activity index by Beers and Sizers improved method measure (Shi Teer Mach. the measuring method of enzyme. Beijing: China Light Industry Press, 1992.186 ~ 194); Seed grouting speed and overground part dry-matter accumulation two association are measured by the per mille balance; Stomatal conductance and photosynthetic rate are produced the portable photosynthesis measurement systems measurement of CIRAS-1 by Britain.
Wheat growth biological character contrast (2 annual mean) under table 1 hot dry wind resistance treated and the collating condition
Wheat yield and output constitute contrast (2 annual mean) under table 2 hot dry wind resistance treated and the collating condition
3, composition of the present invention is simple, is easy to preparation, and cost is low.
Embodiment
Through specific embodiment technical scheme of the present invention is carried out detailed explanation below.
Embodiment 1
2009/2010 year implemented in Crop Inst. of shandong Prov. Agriculture science Academy experimental plot; The wheat breed of participating in the experiment is No. 22, Jimai (by Crop Inst. of shandong Prov. Agriculture science Academy's seed selections); This wheat breed was bloomed on April 29th, 2010; Selected calm day to spray this resistance preparation at dusk from spending back 10 days, 15 days, the ultimate density before of sprinkling, clear water is sprayed in the contrast field.The experimental plot wheat is in maturation on June 3rd, 2010, and June 4 gathered in the crops.Dispersing dry hot blast resistance preparation wheat yield and output three elements are respectively: mu spike number 48.6 ten thousand, grain number per spike 36, thousand seed weight 42 grams, 642.6 kilograms of per mu yields; Clear water control group wheat yield and output three elements are respectively: mu spike number 48.1 ten thousand, grain number per spike 34, thousand seed weight 39 grams, 547.8 kilograms of per mu yields; Find that relatively this wheat hot dry wind resistance preparation can significantly increase wheat grains per spike 5.80%, thousand seed weight increases by 7.69%, and output increases by 17.3%.
Embodiment 2
2009/2010 year implemented in experimental plot, agrotechnical station, phoenix town, Linzi District, Zibo City, Shandong Province; The wheat breed of participating in the experiment is safe farming 18 (by Shandong Agricultural University's seed selections); This wheat breed was bloomed on May 4th, 2010; Selected calm day to spray this hot dry wind resistance preparation at dusk respectively at spending back 10 days, 15 days, the ultimate density before of sprinkling, clear water is sprayed in the contrast field.The experimental plot wheat is in maturation on June 11st, 2010, and June 12 gathered in the crops.Dispersing dry hot blast preparation wheat yield and output three elements are respectively: mu spike number 46.6 ten thousand, grain number per spike 39, thousand seed weight 41 grams, 633.36 kilograms of per mu yields; Clear water control group wheat yield and output three elements are respectively: mu spike number 45.9 ten thousand, grain number per spike 37, thousand seed weight 39 grams, 562.99 kilograms of per mu yields; Find that relatively this wheat hot dry wind resistance preparation can significantly increase wheat grains per spike 5.40%, thousand seed weight increases by 5.10%, and output increases by 12.50%.
Claims (4)
1. one kind is improved wheat hot dry wind resistance preparation, and it consists of following component by weight:
Potassium primary phosphate (KH
2PO
4) 80-100 part, borax (Na
2B
4O
710H
2O) 20-25 part, zinc sulfate (ZnSO
4) 20-30 part, calcium chloride (CaCl
2) 10 parts, naphthylacetic acid (C
12H
10O
2) 0.3 part, suberic acid diethyl ester (CH
2(COOC
2H
5)
2) 0.4 part.
2. the application method of resistance preparation as claimed in claim 1, specific as follows:
Behind the wheat poplar bloassom, grouting foliage-spray in mid-term: before spraying, wheat hot dry wind resistance preparation is diluted to ultimate density with clear water in proportion, the amount of spraying is with every mu of 30-40L; Ultimate density is: in 1kg, and potassium primary phosphate (KH
2PO
4) 8-10g, borax (Na
2B
4O
710H
2O) 2-2.5g, zinc sulfate (ZnSO
4) 2-3g, calcium chloride (CaCl
2) 1g, naphthylacetic acid (C
12H
10O
2) 30mg, suberic acid diethyl ester (CH
2(COOC
2H
5)
2) 40 mg, surplus is a water.
3. application method according to claim 2 is characterized in that, sprays the time between the lights.
4. based on the described application process of claim 2, it is characterized in that, begin foliage-spray after 10 days behind the wheat poplar bloassom, access times are 2-3 time, each 5-10 days at interval.
Priority Applications (1)
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|---|---|---|---|
| CN2012100137861A CN102531787B (en) | 2012-01-17 | 2012-01-17 | Preparation for improving wheat dry and hot wind resistance and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100137861A CN102531787B (en) | 2012-01-17 | 2012-01-17 | Preparation for improving wheat dry and hot wind resistance and application method thereof |
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|---|---|
| CN102531787A true CN102531787A (en) | 2012-07-04 |
| CN102531787B CN102531787B (en) | 2013-07-17 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103204736A (en) * | 2013-04-07 | 2013-07-17 | 江苏徐淮地区淮阴农业科学研究所 | Dry-hot wind resistant modifier of wheat and preparation method of modifier |
| CN107014709A (en) * | 2017-04-20 | 2017-08-04 | 山西省农业科学院小麦研究所 | Utilize intermission seeding identification water ground Wheat in Grain Filling Stage high temperature resistant dry heat resistance wind method |
| CN108925583A (en) * | 2018-08-31 | 2018-12-04 | 南京信息工程大学 | A kind of Rice Resistance high temperature formulations and its application method |
| CN110973158A (en) * | 2019-12-19 | 2020-04-10 | 青岛农业大学 | High-temperature-resistant preparation for wheat dry hot air |
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2012
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Patent Citations (4)
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103204736A (en) * | 2013-04-07 | 2013-07-17 | 江苏徐淮地区淮阴农业科学研究所 | Dry-hot wind resistant modifier of wheat and preparation method of modifier |
| CN107014709A (en) * | 2017-04-20 | 2017-08-04 | 山西省农业科学院小麦研究所 | Utilize intermission seeding identification water ground Wheat in Grain Filling Stage high temperature resistant dry heat resistance wind method |
| CN107014709B (en) * | 2017-04-20 | 2019-04-09 | 山西省农业科学院小麦研究所 | Using intermission seeding identification water Wheat in Grain Filling Stage high temperature resistant dry heat resistance wind method |
| CN108925583A (en) * | 2018-08-31 | 2018-12-04 | 南京信息工程大学 | A kind of Rice Resistance high temperature formulations and its application method |
| CN108925583B (en) * | 2018-08-31 | 2021-08-13 | 南京信息工程大学 | High-temperature-resistant preparation for rice and use method thereof |
| CN110973158A (en) * | 2019-12-19 | 2020-04-10 | 青岛农业大学 | High-temperature-resistant preparation for wheat dry hot air |
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|---|---|
| CN102531787B (en) | 2013-07-17 |
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