CN105875612A - Plant growth regulator for enhancing drought resistance of rice and preparation method and application thereof - Google Patents
Plant growth regulator for enhancing drought resistance of rice and preparation method and application thereof Download PDFInfo
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- CN105875612A CN105875612A CN201610392243.3A CN201610392243A CN105875612A CN 105875612 A CN105875612 A CN 105875612A CN 201610392243 A CN201610392243 A CN 201610392243A CN 105875612 A CN105875612 A CN 105875612A
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- plant growth
- growth regulator
- drought resistance
- spermine
- malic acid
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION 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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/22—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom rings with more than six members
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION 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
- A01N33/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
- A01N33/02—Amines; Quaternary ammonium compounds
- A01N33/04—Nitrogen directly attached to aliphatic or cycloaliphatic carbon atoms
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION 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
- A01N37/00—Biocides, 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
- A01N37/36—Biocides, 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 at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Wood Science & Technology (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Plant Pathology (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Zoology (AREA)
- Agronomy & Crop Science (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Botany (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Cultivation Of Plants (AREA)
- Pretreatment Of Seeds And Plants (AREA)
Abstract
The invention discloses a plant growth regulator for enhancing drought resistance of rice and a preparation method and application thereof. The preparation method comprises the steps of mixing a pesticide active compound spermine, natural brassinolide and malic acid according to a certain proportion, and a certain amount of auxiliary filler is added. The concentration of spermine ranges from 100 mg/L to 300 mg/L, the concentration of natural brassinolide ranges from 0.2 mg/L to 0.4 mg/L, and the concentration of malic acid ranges from 100 mg/L to 300 mg/L. The plant growth regulator is used for resisting to drought damage caused by the high temperature or water shortage, after the plant growth regulator is sprayed, stomatal conductance of leaves is reduced, and water consumption due to transpiration is lowered; the chlorophyll content is increased, and photosynthesis assimilation substance accumulation is increased; root activity is enhanced, water absorption capacity and water retention capacity of plants are enhanced, the effects of stabilizing the yield and increasing the yield are achieved, and the plant growth regulator and the preparation method and application thereof provide a new rice plantation technology for alleviating damage of rice regions which are prone to drought damage in China.
Description
Technical field
The invention belongs to Rice Cropping technical field, particularly relate to a kind of paddy drought resistance that strengthens
Plant growth regulator and its preparation method and application.
Background technology
Oryza sativa L. is the topmost cereal crops of China, is the crop of water consumption maximum simultaneously, and it is raw
Fisheries water accounts for the 50% of whole nation water total amount；Meanwhile, China is that a drought and water shortage is serious
Country, freshwater resources total amount is 28000 billion cubic meters, accounts for the 6% of global water resources, the most secondary
In Brazilian, Russian and Canadian, occupy the 4th, the world, but only have 2200 cubic metres per capita,
It is only the 1/4 of world average level, is one of 13 countries that water resource is the poorest per capita in the whole world.
Therefore, the arid that water scarcity causes is to limit the Main Factors of Rice Production.At China Water
Soil resource spatial and temporal distributions is uneven, and water is many, soil is few in south, and water is few, soil is many in the north.Plough
More than half of area is in the arid of water scarcity, semiarid zone.Caused by arid
Natural disaster, is that China loses the most serious natural disaster.Estimate according to investigations, rice in China
Producing the arid per unit area yield caused loss is 153 kilograms/hectare, and does in Central China and South China
The per unit area yield that drought causes loses about at 143～250 kilograms/hectare.To southern 5 Ge Yihan village bases
Estimation in peasant household's plot level shows, reaches 2700 in the loss of severe drought time rice yield
Kilogram/hectare.In recent years, due to reasons such as climate changes, arid is normal along with High Temperature Disaster,
Present the trend that harm increases the weight of.Such as, the impact of in mid-August, 2013 continuous drought is the most regional
Rice Production, rice young panicle differentiation is obstructed, and causes fringe deformation little, pollen abortion, and sterile grain rate increases
Adding, setting percentage declines, and causes the underproduction.According to statistics, Oryza sativa L. disaster area, Zhejiang Huzhou city 13.63
Ten thousand mu (accounting for the 11% of whole city's late rice sown area), causes disaster 4.72 ten thousand mu, total crop failure 0.50 ten thousand
Mu；The whole city causes grain yield loss to reach 1.78 ten thousand tons, causes direct economic loss 52,120,000
Unit.The Oryza sativa L. main producing regions such as Hunan, Hubei, Jiangxi are also injured seriously, and Hubei part faces territory, mountain area
Oryza glutinosa faces total crop failure.For drought, Agricultural Scientist cultivate saving water, resisting drought Oryza sativa L. new product
Kind, use the agricultural measures such as the rational application of fertilizer, and use drought-resistant water-preserving plant growth regulator with
Reduce casualty loss.But it is difficult to the most collaborative raising between saving water, resisting drought kind its yield and drought resistance,
It is difficult to harmonious under cultivation regulation between each constituent element of yield, in addition natural disaster weather
Unpredictability, has increased the weight of prevention arid generation, the difficulty of stable high yield.Therefore enhancing is excavated
The plant growth regulator of Rice Drought Resistence ability, is the urgent early warning of arid, guarantees that Rice Production is pacified
Entirely with one of the reliable method alleviating drought.
Summary of the invention
It is an object of the invention to provide a kind of plant growth regulator strengthening paddy drought resistance
And its preparation method and application, it is intended to solve China's the South and the North rice district rice drought water shortage problem,
Regulation rice plant growth, the problem alleviating the underproduction harm that arid is brought.
The present invention is achieved in that a kind of plant growth regulator strengthening paddy drought resistance
Preparation method, the preparation method of the plant growth regulator of described enhancing paddy drought resistance include with
Lower step:
By spermine, brassinolide, malic acid mix homogeneously by a certain percentage, Qi Zhongjing
Concentration range 100mg/L of amine～300mg/L, brassinolide concentration range 0.2
Mg/L～0.4mg/L, malic acid concentration scope 100mg/L～300mg/L；Separately add adjuvant,
The wettest spreader gelatine content 0.05%, remaining is tripolite filling material.Raw material is mixed with adjuvant
Uniformly it is ground into fine powder and is configured to wettable powder.
The plant that another object of the present invention is to provide a kind of described enhancing paddy drought resistance is raw
The plant growth regulator strengthening paddy drought resistance prepared by the preparation method of long regulator, described
The plant growth regulator strengthening paddy drought resistance includes spermine, brassinolide and Fructus Mali pumilae
Acid；Wherein concentration range 100mg/L of spermine～300mg/L, brassinolide concentration
Scope 0.2mg/L～0.4mg/L, malic acid concentration scope 100mg/L～300mg/L.
Further, the plant growth regulator of described enhancing paddy drought resistance in Rise's boot period with
The mode of foliage spray uses, and spraying concentration is spermine 200mg/L, brassin lactones
0.4mg/L, malic acid 200mg/L, every mu sprays amount of liquid medicine is 30 liters, blade face even spraying.
The plant that another object of the present invention is to provide a kind of described enhancing paddy drought resistance is raw
The plant growth regulator strengthening paddy drought resistance prepared by the preparation method of long regulator is at water
Application in rice drought resisting.
Plant growth regulator strengthening paddy drought resistance that the present invention provides and preparation method thereof
And application, compared with prior art, the method have the advantages that
1, for the arid injury defending high temperature or hydropenia to bring, rear blade stomatal conductance is sprayed
Reducing, transpiration rate reduces, and leaf water potential raises, and shows that this growth regulator can be effectively increased water
The water holding capacity of rice plants, can reduce the wilting that hydropenia causes；It addition, it is green to spray rear blade leaf
Cellulose content increase, improving activity of root system strengthen, beneficially under adverse environmental factor plant absorb more nutrient and
Moisture, increases increment.
2, being verified by experiments, spray this growth regulator, the every Physiological Indices of Drought Resistance of Oryza sativa L. shows
Writing and strengthen, yield increases by 10.1～11.9%.
Accompanying drawing explanation
Fig. 1 is the plant growth regulator strengthening paddy drought resistance that the embodiment of the present invention provides
Preparation method flow chart.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with
Embodiment, is further elaborated to the present invention.Should be appreciated that tool described herein
Body embodiment only in order to explain the present invention, is not intended to limit the present invention.
System of the present invention multicomponent plant growth conditioning material, its main component is spermine, natural Semen Brassicae Campestris
Element lactone and malic acid, the adjuvant additionally constituted containing Trace Silicon diatomaceous earth and wet spreader mixture.Its
Formula is: in every 100 grams of mixture, containing spermine 24 grams, brassinolide 48 milligrams,
Malic acid 24 grams, 12.5 milligrams of gelatin, remaining is tripolite filling material.Land for growing field crops usage amount is every
Mu 1 bag, is watered 30 liters by 25 grams.(it is spermine 200mg/L according to spraying concentration, rue
Tongue element lactone 0.4mg/L, malic acid 200mg/L, every mu sprays amount of liquid medicine is 30 liters of calculating
Draw)
Below in conjunction with the accompanying drawings the application principle of the present invention is further described.
The plant growth regulator strengthening paddy drought resistance of the embodiment of the present invention is for Rice Leaf
Face sprays, and medicinal liquid is above-mentioned spermine, brassinolide and the mixed liquor of malic acid component,
Wherein concentration range 100mg/L of spermine～300mg/L, brassinolide concentration range
0.2mg/L～0.4mg/L, malic acid concentration scope 100mg/L～300mg/L.
The above-mentioned concentration of plant growth regulator strengthening paddy drought resistance of the embodiment of the present invention
The admixing medical solutions of scope, uses in the way of foliage spray in Rise's boot period, sprays dense
Degree is spermine 200mg/L, brassin lactones 0.4mg/L, malic acid 200mg/L, every mu of spray
Spraying volume is 30～45 liters, blade face even spraying.
As it is shown in figure 1, the plant growth regulator strengthening paddy drought resistance of the embodiment of the present invention
Preparation method comprise the following steps:
S101: spermine, brassinolide, malic acid, filler are included kieselguhr and bright
Glue mixes；
S102: mixture grinds to form fine powder, particle size index is 98% by No. 200 sieves
Mesh, powder average diameter is 25 microns, and MEBO ribbon gauze is less than 15 minutes, and suspensibility is about
30%～40%；
S103: wherein spraying concentration scope 100mg/L of spermine～300mg/L, natural Semen Brassicae Campestris
Element dermolide concentrations scope 0.2mg/L～0.4mg/L, malic acid concentration scope 100mg/L～300
mg/L。
Below in conjunction with experiment, the application effect of the present invention is described in detail.
2014, China Paddy Rice Inst of Fuyang City of Zhejiang Province test site, experimental cultivar: in
Excellent No. 1 of Zhejiang, good excellent No. 5, the most excellent No. 1, excellent No. 9 of river in Zhejiang Province.In mid-August, continuous high temperature
Weather causes water consumpation to evaporate in a large number, sprays drought resistance agent under Oryza sativa L. natural arid, analyzes
Measure it to physiological character and the impacts of yield composition such as rice leaf transpiration, chlorophyll contents.
Result is as shown in table 1, table 2:
In table 1, table 2 medium drought resistant agent, the concentration of an one pack system is, spermine 100mg/L, Semen Brassicae Campestris
Element lactone 0.2mg/L, malic acid 100mg/L.Table 1 is it can be seen that drought resistance agent processes notable
Improving each for examination Yield of Rice Varieties, yield relatively compares does not uses drought resistance agent amplification 5.1～11.5%.
Table 2 is to spray drought resistance agent under drought condition to rice leaf and the shadow of root physiology character
Ring.Spray drought resistance agent under drought condition and significantly reduce Leaf Stomatal Conductance In Rice and transpiration rate,
Reducing the moisture loss caused because of high temperature and drought, the increase of leaf water potential also illustrates that drought resistance agent has side
Help the function of blade water conservation；Drought resistance agent also dramatically increase rice leaf chlorophyll content increase and
Strengthen rice root under improving activity of root system, beneficially drought condition and absorb limited water and nutrient,
Accumulation of assimilation increases, and is the physiological foundation of yield increase.
Table 1 sprays the drought resistance agent impact on rice yield
With letter representation significant differences in 5% level different in string same breed.
Table 2 sprays the drought resistance agent impact on Rice Drought Resistence physiological character
Each physical signs sprays one week after in drought resistance agent and measures.With words different in string same breed
Matrix shows significant difference in 5% level.
On this basis, the great Qu contrast of confection within 2015, has been carried out at same test site
Test, after liquor strength dilution or increasing identical multiple, in admixing medical solutions, each one pack system is dense
Spend as shown in table 3 below, be excellent No. 1 and the most excellent No. 1 of middle Zhejiang for examination rice varieties.Spraying period
For boot stage (heading the last week), under natural arid, check plot spray clear water.
Table 3 result shows, different drought resistance agents are joined and executed concentration and be all improved the trend of rice yield,
Effect of increasing production is different.Each concentration of component proportioning is with " spermine 200ppm+ brassin lactones 0.4
Ppm+ malic acid 200ppm " amount of increase in production maximum, amplification 10.1～11.9%.
Table 3 spermine, brassin lactones, malic acid variable concentrations proportioning are to water under drought condition
The impact of rice yield
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all
Any amendment, equivalent and the improvement etc. made within the spirit and principles in the present invention, all should
Within being included in protection scope of the present invention.
Claims (4)
1. the preparation method of the plant growth regulator strengthening paddy drought resistance, it is characterised in that described
The preparation method of the plant growth regulator strengthening paddy drought resistance comprises the following steps:
Spermine, brassinolide, malic acid are mixed in proportion, add adjuvant kieselguhr and gelatin,
Finely ground make wettable powder；In every 100 grams, containing spermine 24 grams, brassinolide 48 milligrams,
Malic acid 24 grams, 12.5 milligrams of gelatin, remaining is tripolite filling material；The wherein concentration range 100 of spermine
Mg/L～300mg/L, brassinolide concentration range 0.2mg/L～0.4mg/L, malic acid concentration model
Enclose 100mg/L～300mg/L.
2. the preparation method system of the plant growth regulator of an enhancing paddy drought resistance as claimed in claim 1
The standby plant growth regulator strengthening paddy drought resistance, it is characterised in that described enhancing paddy drought resistance
Plant growth regulator includes spermine, brassinolide and malic acid；In every 100 grams, containing spermine 24
Gram, brassinolide 48 milligrams, malic acid 24 grams, 12.5 milligrams of gelatin, remaining is filled out for kieselguhr
Material；Wherein concentration range 100mg/L of spermine～300mg/L, brassinolide concentration range 0.2
Mg/L～0.4mg/L, malic acid concentration scope 100mg/L～300mg/L.
3. strengthen the plant growth regulator of paddy drought resistance as claimed in claim 2, it is characterised in that institute
The plant growth regulator stating enhancing paddy drought resistance makes in the way of foliage spray in Rise's boot period
With, spraying concentration is spermine 200mg/L, brassin lactones 0.4mg/L, malic acid 200mg/L, every mu
Spraying amount of liquid medicine is 30～45 liters, blade face even spraying.
4. the preparation method system of the plant growth regulator of an enhancing paddy drought resistance as claimed in claim 1
The application in Rice Drought Resistence of the standby plant growth regulator strengthening paddy drought resistance.
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|---|---|---|---|
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106941811A (en) * | 2017-03-30 | 2017-07-14 | 南通大学 | A kind of method for shortening rice paddy seed rest period, promoting it to germinate |
| JP2020535136A (en) * | 2017-09-21 | 2020-12-03 | バレント・バイオサイエンシーズ・リミテッド・ライアビリティ・カンパニーＶａｌｅｎｔ ＢｉｏＳｃｉｅｎｃｅｓ ＬＬＣ | How to improve plant stress tolerance, growth and yield |
| CN112088884A (en) * | 2020-10-10 | 2020-12-18 | 江苏里下河地区农业科学研究所 | Middle and later stage drought-resistant agent for rice and application thereof |
| US11464229B2 (en) * | 2017-09-21 | 2022-10-11 | Valent Biosciences Llc | Methods of improving stress tolerance, growth and yield in plants |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106941811A (en) * | 2017-03-30 | 2017-07-14 | 南通大学 | A kind of method for shortening rice paddy seed rest period, promoting it to germinate |
| JP2020535136A (en) * | 2017-09-21 | 2020-12-03 | バレント・バイオサイエンシーズ・リミテッド・ライアビリティ・カンパニーＶａｌｅｎｔ ＢｉｏＳｃｉｅｎｃｅｓ ＬＬＣ | How to improve plant stress tolerance, growth and yield |
| US11464229B2 (en) * | 2017-09-21 | 2022-10-11 | Valent Biosciences Llc | Methods of improving stress tolerance, growth and yield in plants |
| JP7242647B2 (en) | 2017-09-21 | 2023-03-20 | バレント・バイオサイエンシーズ・リミテッド・ライアビリティ・カンパニー | Methods for Improving Plant Stress Tolerance, Growth and Yield |
| CN112088884A (en) * | 2020-10-10 | 2020-12-18 | 江苏里下河地区农业科学研究所 | Middle and later stage drought-resistant agent for rice and application thereof |
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| CN105875612B (en) | 2018-03-02 |
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