CN105875612B - Strengthen plant growth regulator of paddy drought resistance and its preparation method and application - Google Patents
Strengthen plant growth regulator of paddy drought resistance and its preparation method and application Download PDFInfo
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- CN105875612B CN105875612B CN201610392243.3A CN201610392243A CN105875612B CN 105875612 B CN105875612 B CN 105875612B CN 201610392243 A CN201610392243 A CN 201610392243A CN 105875612 B CN105875612 B CN 105875612B
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- plant growth
- growth regulator
- drought resistance
- rice
- spermine
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Classifications
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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
Abstract
The invention discloses a kind of plant growth regulator for strengthening paddy drought resistance and its preparation method and application, pesticide original medicine spermine, brassinolide, malic acid are mixed by a certain percentage, separately add a certain amount of auxiliary packing.Wherein concentration range 100mg/L~300mg/L of spermine, brassinolide concentration range 0.2mg/L~0.4mg/L, malic acid concentration scope 100mg/L~300mg/L.The present invention is used for the arid injury for defending high temperature or water shortage is brought, and sprays the reduction of rear blade stomatal conductance, reduces transpiration water consumption；Increase chlorophyll content, photoassimilates accumulation increase；Root activity strengthens, and the enhancing of plant water-absorbing-retaining ability, has the effect of stable yields volume increase, is that rice of the China easily by the mitigation harm of drought rice region makees new technology.
Description
Technical field
The invention belongs to Rice Cropping technical field, more particularly to a kind of plant growth regulator for strengthening paddy drought resistance
And its preparation method and application.
Background technology
Rice is the most important cereal crops in China, while is the maximum crop of water consumption, and its industrial water accounts for the whole nation
The 50% of water total amount；Meanwhile China is the serious country of a drought and water shortage, freshwater resources total amount is 28000 billion cubic meters,
The 6% of global water resources is accounted for, is only second to Brazil, Russia and Canada, occupies the 4th, the world, but there was only 2200 cubes per capita
Rice, only the 1/4 of world average level, it is 13, the whole world one of poorest country of water resource per capita.Therefore, water scarcity
The arid of initiation is to limit the Main Factors of Rice Production.Uneven in Chinese water and soil resources spatial and temporal distributions, southern water is more, soil
Few, northern water is few, soil is more.More than half of cultivated area is in the arid of water scarcity, semiarid zone.Drawn by arid
The natural calamity of hair, it is that China loses natural calamity the most serious.Estimate according to investigations, it is single caused by rice in China production arid
Production loss be 153 kilograms/hectare, and caused by Central China and South China's arid per unit area yield lose about 143~250 kilograms/
Hectare.Southern 5 Ge Yihan villages are shown based on the horizontal estimation in peasant household plot, reached in the loss of severe drought time rice yield
2700 kilograms/hectare.In recent years, because often along with High Temperature Disaster, becoming for harm exacerbation is presented in the reasons such as climate change, arid
Gesture.For example, in mid-August, 2013 continuous drought influences how regional Rice Production, rice young panicle differentiation is obstructed, and causes fringe deformation
It is small, pollen abortion, sterile grain rate increase, setting percentage decline, cause the underproduction.According to statistics, Zhejiang Huzhou city rice disaster area 13.63
Ten thousand mu (account for whole city's late rice sown area 11%), cause disaster 4.72 ten thousand mu, have no harvest 0.50 ten thousand mu；Grain yield is caused to lose in the whole city
Up to 1.78 ten thousand tons, 52,120,000 yuan of direct economic loss is caused.The rice main producing region such as Hunan, Hubei, Jiangxi is also aggrieved serious, Hubei
Part faces mountain area domain paddy and faces total crop failure.For drought, Agricultural Scientist cultivate saving water, resisting drought new rice variety, use
The agricultural measures such as the rational application of fertilizer, and using drought-resistant water-preserving plant growth regulator to reduce casualty loss.But saving water, resisting drought product
Be difficult to preferably collaboration between kind of its yield and drought resistance to improve, be difficult under cultivation regulation between each constituent element of yield it is harmonious,
In addition the Unpredictability of natural calamity weather, the generation of prevention arid, the difficulty of stable high yield have been aggravated.Therefore enhancing water is excavated
The plant growth regulator of rice drought-resistant ability is arid urgent early warning, ensures Rice Production safety and mitigates drought most
One of reliable method.
The content of the invention
It is an object of the invention to provide a kind of plant growth regulator and preparation method thereof for strengthening paddy drought resistance and
Using, it is intended to solve China's the South and the North rice region rice drought water shortage problem, adjust rice plant growth, mitigate arid and bring
Underproduction the problem of endangering.
The present invention is achieved in that a kind of preparation method for the plant growth regulator for strengthening paddy drought resistance, described
The preparation method for strengthening the plant growth regulator of paddy drought resistance comprises the following steps：
Spermine, brassinolide, malic acid are well mixed by a certain percentage, wherein the concentration range of spermine
100mg/L~300mg/L, brassinolide concentration range 0.2mg/L~0.4mg/L, malic acid concentration scope 100mg/L
~300mg/L；Another to add auxiliary material, wherein wet spreader gelatine content 0.05%, remaining is tripolite filling material.Raw material and auxiliary material are mixed
Uniformly being ground into fine powder is configured to wettable powder for conjunction.
Another object of the present invention is to provide a kind of preparation of the plant growth regulator of the enhancing paddy drought resistance
The plant growth regulator of enhancing paddy drought resistance prepared by method, the plant growth regulator bag of the enhancing paddy drought resistance
Include spermine, brassinolide and malic acid；Wherein concentration range 100mg/L~300mg/L of spermine, in nature brown cotton
Ester concentration scope 0.2mg/L~0.4mg/L, malic acid concentration scope 100mg/L~300mg/L.
Further, it is described enhancing paddy drought resistance plant growth regulator in Rise's boot period in a manner of foliage spray
Used, spraying concentration is spermine 200mg/L, and brassin lactones 0.4mg/L, malic acid 200mg/L, every mu sprays amount of liquid medicine
For 30 liters, blade face even spraying.
Another object of the present invention is to provide a kind of preparation of the plant growth regulator of the enhancing paddy drought resistance
Application of the plant growth regulator of enhancing paddy drought resistance prepared by method in Rice Drought Resistence.
Plant growth regulator of enhancing paddy drought resistance provided by the invention and its preparation method and application, with existing skill
Art is compared, the invention has the advantages that：
1st, for the arid injury for defending high temperature or water shortage is brought, the reduction of rear blade stomatal conductance, transpiration rate drop are sprayed
It is low, leaf water potential rise, show that the growth regulator can be effectively increased the water holding capacity of rice plant, can reduce and wither caused by water shortage
It is listless；In addition, spraying the increase of rear blade chlorophyll content, root activity enhancing, more support is absorbed beneficial to plant under adverse environmental factor
Point and moisture, increase increment.
2nd, it is verified by experiments, sprays the growth regulator, rice items Physiological Indices of Drought Resistance significantly increases, yield increase
10.1~11.9%.
Brief description of the drawings
Fig. 1 is the preparation method flow of the plant growth regulator of enhancing paddy drought resistance provided in an embodiment of the present invention
Figure.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
The present invention is multicomponent plant growth conditioning material, and its main component is spermine, brassinolide and malic acid,
The auxiliary material formed in addition containing micro diatomite and wet spreader mixture.Its formula is：In every 100 grams of mixtures, containing 24 grams of spermine,
48 milligrams of brassinolide, 24 grams of malic acid, 12.5 milligrams of gelatin, remaining is tripolite filling material.Crop field usage amount is every
Mu 1 wraps, and 25 grams, is watered 30 liters.(it is spermine 200mg/L, brassin lactones 0.4mg/L, malic acid 200mg/ according to spraying concentration
L, every mu sprays amount of liquid medicine and is calculated for 30 liters)
The application principle of the present invention is further described below in conjunction with the accompanying drawings.
The plant growth regulator of the enhancing paddy drought resistance of the embodiment of the present invention sprays for rice leaf, and decoction is upper
Concentration range 100mg/L~300mg/L of the mixed liquor of spermine, brassinolide and apple acid constituents, wherein spermine is stated,
Brassinolide concentration range 0.2mg/L~0.4mg/L, malic acid concentration scope 100mg/L~300mg/L.
The admixing medical solutions of the above-mentioned concentration range of plant growth regulator of the enhancing paddy drought resistance of the embodiment of the present invention,
Being used in Rise's boot period in a manner of foliage spray, spraying concentration is spermine 200mg/L, brassin lactones 0.4mg/L,
Malic acid 200mg/L, it is 30~45 liters that every mu, which sprays amount of liquid medicine, blade face even spraying.
As shown in figure 1, the preparation method of the plant growth regulator of the enhancing paddy drought resistance of the embodiment of the present invention includes
Following steps：
S101：Spermine, brassinolide, malic acid, filler are included into diatomite and gelatin mixes；
S102：Mixture is ground into fine powder, particle size index passes through No. 200 sieve meshes, powder average diameter for 98%
For 25 microns, MEBO ribbon gauze is less than 15 minutes, and suspensibility is about 30%~40%；
S103：Wherein spraying concentration scope 100mg/L~300mg/L of spermine, brassinolide concentration range
0.2mg/L~0.4mg/L, malic acid concentration scope 100mg/L~300mg/L.
The application effect of the present invention is described in detail with reference to experiment.
2014, China Paddy Rice Inst of Fuyang City of Zhejiang Province test site, experimental cultivar：Middle Zhejiang is excellent No. 1, good excellent No. 5, normal
Excellent No. 1, excellent No. 9 of river in Zhejiang Province.Mid-August, continuous high temperature weather triggers water consumpation largely to evaporate, and is sprayed under rice natural arid
Drought resistance agent is applied, analysis determines its influence to the physiological characters such as rice leaf transpiration, chlorophyll content and yield composition.As a result such as
Shown in table 1, table 2：
The concentration of an one pack system is spermine 100mg/L in table 1, the medium drought resistant agent of table 2, brassin lactones 0.2mg/L, apple
Sour 100mg/L.Table 1 as can be seen that drought resistance agent processing significantly improve it is each for examination Yield of Rice Varieties, yield relatively compare do not apply it is anti-
Non-irrigated agent amplification 5.1~11.5%.
Table 2 is to spray influence of the drought resistance agent to rice leaf and root physiology character under drought condition.Sprayed under drought condition
Applying drought resistance agent significantly reduces Leaf Stomatal Conductance In Rice and transpiration rate, reduces the moisture loss caused by high temperature and drought, blade
The increase of the flow of water also illustrates the function of the helpful blade water conservation of drought resistance agent；Drought resistance agent also dramatically increases rice leaf chlorophyll content
Increase and enhancing root activity, be advantageous to rice root under drought condition and absorb limited water and nutrient, assimilation quotient product
Tired increase, is the increased physiological foundation of yield.
Table 1 sprays influence of the drought resistance agent to rice yield
Different letters represent the significant difference in 5% level in same row same breed.
Table 2 sprays influence of the drought resistance agent to Rice Drought Resistence physiological character
Each physical signs sprays latter week measure in drought resistance agent.Different letters are represented in 5% water in same row same breed
Flat upper significant difference.
On this basis, the great Qu contrast tests that confection has been carried out at same test site in 2015, by liquor strength
After diluting or increasing identical multiple, the concentration of each one pack system is as shown in table 3 below in admixing medical solutions, is that middle Zhejiang is excellent for examination rice varieties
No. 1 and often excellent No. 1.Spraying period (is eared the last week) for boot stage, under natural arid, check plot spray clear water.
The result of table 3 shows that for different drought resistance agents with the trend that concentration is all improved rice yield is applied, effect of increasing production is different.Respectively
Concentration of component proportioning is so that " spermine 200ppm+ brassin lactones 0.4ppm+ malic acid 200ppm " amounts of increase in production are maximum, amplification 10.1
~11.9%.
The spermine of table 3, brassin lactones, malic acid various concentrations are with the influence for comparing rice yield under drought condition
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (4)
1. a kind of preparation method for the plant growth regulator for strengthening paddy drought resistance, it is characterised in that comprise the following steps：
Spermine, brassinolide, malic acid are mixed in proportion, add auxiliary material diatomite and gelatin, it is finely ground be made it is wettable
Property pulvis；In every 100 grams, containing 24 grams of spermine, 48 milligrams of brassinolide, 24 grams of malic acid, 12.5 milligrams of gelatin, remaining
For tripolite filling material.
A kind of 2. enhancing water prepared by preparation method of the plant growth regulator of the paddy drought resistance of enhancing as claimed in claim 1
The plant growth regulator of rice drought resistance.
3. the application process of the plant growth regulator of enhancing paddy drought resistance as claimed in claim 2, it is characterised in that described
The application process for strengthening the plant growth regulator of paddy drought resistance is used in Rise's boot period in a manner of foliage spray,
Spraying concentration is spermine 200mg/L, and brassin lactones 0.4mg/L, malic acid 200mg/L, every mu sprays amount of liquid medicine as 30~45
Rise, blade face even spraying.
A kind of 4. application of plant growth regulator of the paddy drought resistance of enhancing as claimed in claim 2 in Rice Drought Resistence.
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Families Citing this family (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 |
| US11464229B2 (en) * | 2017-09-21 | 2022-10-11 | Valent Biosciences Llc | Methods of improving stress tolerance, growth and yield in plants |
| US10806097B2 (en) * | 2017-09-21 | 2020-10-20 | Valent Biosciences Llc | Methods of improving stress tolerance, growth and yield in plants |
| 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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