CN104585215A - Method for simply and efficiently producing seeds and cultivating hybrid rice - Google Patents
Method for simply and efficiently producing seeds and cultivating hybrid rice Download PDFInfo
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- CN104585215A CN104585215A CN201510067640.9A CN201510067640A CN104585215A CN 104585215 A CN104585215 A CN 104585215A CN 201510067640 A CN201510067640 A CN 201510067640A CN 104585215 A CN104585215 A CN 104585215A
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Abstract
The invention relates to the technical field of agriculture, and in particular relates to a method for simply and efficiently producing seeds and cultivating hybrid rice. A weeding composite is prepared from ethoxysulfuron and butachlor and has an obvious synergism and can be used for effectively preventing and removing gramineous weeds, nutgrass flatsedge and broad-leaved annual weeds. According to the method, the cultivation measures of accurately applying nutrients, completely removing the weeds in a land once and enabling the fertilizer to be long-lasting are carried out to achieve the purposes of being simple in cultivating, accurate in applying and increasing of the production benefits. With the adoption of the method, the labor intensity is greatly reduced, the labor input is decreased, and thus the economic benefit is increased; the method is simple, convenient and easy to be carried out, convenient to operate, easily accepted by farms, and suitable for a large-scale seed production base, and can be widely popularized and applied.
Description
Technical field
The present invention relates to agricultural technology field, particularly the efficient breeding of hybrid rice cultivation method of the light letter of one.
Background technology
Paddy rice is not only the main cereal crops of China, one of Ye Shi world staple food crop.Nearly half population, comprises the population in almost whole East Asia and Southeast Asia in the world, is all food with rice.Produce throughout each continent except the South Pole.Eighties of last century late period, View of World Rice annual production average out to about 4,000 hundred million kilograms, cultivated area about 1.45 hundred million hectares.China's rice growing area accounts for 1/4 of national cereal crops, and every year about more than 3,500 ten thousand hectares, output then accounts for over half.No matter cultivated area and output, paddy rice all ranks first in China cereal crops.
From Three-line Hybrid rice research success in 1973,1976 start to apply hybrid rice, 2.4 hundred million mu are stabilized in nineteen ninety Chinese hybrid rice Annual planting area, account for 52% of national Monitoring of Paddy Rice Plant Area, for ensureing that Food Security in China promotes that outstanding contribution has been made in socio-economic development, hybrid rice need produce hybrid seed every year, year production of hybrid seeds area in the whole nation reaches about 1,300,000 mu, from 1976, the large area production of hybrid seeds was since 36 years, breeding of hybrid rice is a kind of production technology of labor intensive always, and recruitment is many, labour intensity is large.Along with the fast development of Chinese society's economy, the industrialized propelling of urbanization, agricultural workforce lacks day by day, and recruitment cost is more and more higher, and the agricultural workforce of most seed breeding base more and more can not meet the demand of the many labours of breeding of hybrid rice, high strength recruitment.For guaranteeing enough security provisions of the hybrid rice seeds needed for Food Security in China, first must guarantee the stable of breeding of hybrid rice, therefore the light simplification high efficiency of breeding technology for hybrid rice is imperative.
Traditional breeding of hybrid rice culture technique comprises repeatedly fertilising, Tree Precise Fertilization, repeatedly dispenser, accuracy pesticide applying.Such as seeding stage needs basal dressing, wean fertilizer and send to transfer fertilizer; Basal dressing, tillering fertilizer, booting fertilizer, seed strong fertilizer is needed after field-transplanting.The fertilizer type used comprises composite fertilizer, urea, potash fertilizer, micro-fertilizer, silicon-calcium-magnesium fertilizer etc.; Need to use weed killer herbicide, insecticide, bactericide, plant modifying agent in nursery period, tillering stage, shooting stage, heading stage, pustulation period, killing weeds in rice field, control striped rice borer, rice leaf roller, rice fulgorid, banded sclerotial blight, rice blast, false smut etc.High yield is obtained by Tree Precise Fertilization dispenser, but many with fertile times for spraying, and kind is many, peasant's complicated operation, and recruitment is many, cost is high, and peasant is beyond affordability, is difficult to apply.If various agricultural chemicals and/or fertilizer are used, produce antagonism possibly, thus have impact on the performance of drug effect fertilizer efficiency, be unfavorable for breeding of hybrid rice.Therefore, a kind of Herbicidal combinations or the Weed removal medicinal fertilizer that effectively can prevent and kill off hybrid rice Tanaka weeds are provided, have important practical significance.
Summary of the invention
In view of this, the invention provides a kind of Herbicidal combinations and application thereof, preparation.This Herbicidal combinations effectively can prevent and kill off grass family and broad-leaved section weeds, has significant synergies.
In order to realize foregoing invention object, the invention provides following technical scheme:
The invention provides a kind of Herbicidal combinations, be made up of ethoxysulfuron and butachlor.
Ethoxysulfuron; chemical name is 1-(4; 6-dimethoxypyridin-2-base)-3-(2-phenoxy ethoxy sulfonyl) urea, No. CAS is 126801-58-9, and its mechanism of action is: ethoxysulfuron is branched chain amino acid synthesis (ALS or AHAS) inhibitor.By blocking the biosynthesis of basic amino acid valine and isoleucine, thus stop cell division and plant growth.There is good selectivity, for water prevention rice field nutgrass flatsedge and annual broadleaf weed.
Butachlor, has another name called weed eradication spy, Machete, Machete, and molecular weight is 311.86, and chemical name is the chloro-N-of 2-(2,6-diethyl phenyl)-N-(fourth oxygen methyl) acetamide.Butachlor is amide-type selectivity Uptake and translocation weed killer herbicide.Sterling is pale yellow oily liquid body, has micro-fragranced.Be insoluble in water, be soluble in multiple organic solvent.Stable chemical nature under normal temperature and neutrality, weak basic condition.Can be accelerated it under strong acid condition decompose, can be degraded in soil.To people and animals' low toxicity, there is spread effect to skin, eyes, to the high poison of fish.Butachlor absorbs mainly through the young shoot of weeds, then conducts complete stool and works.All can use with seedling stage before bud.After plant absorption butachlor, suppress in vivo and destroy protease, affecting the formation of protein, suppressing weeds young shoot and young root normal growth to be grown, thus make weeds dead.Clay loam and the higher soil of the content of organic matter use, and medicament can be absorbed by soil colloid, is not easily leached, and the special efficacy phase can reach 1-2 month.
In the present invention, it is 1:(6.25 ~ 125 that research to show ethoxysulfuron and butachlor with mass ratio) with the use of time, effectively can prevent and kill off the broad-leaved such as grassy weed and the Monochoria vaginalis section weeds such as barnyard grass, all belong to synergistic effect.Wherein with ethoxysulfuron: butachlor is that 1:25 effect is best.
In embodiments more provided by the invention, the mass ratio of ethoxysulfuron and butachlor is 1:(6.25 ~ 125).
As preferably, the mass ratio of ethoxysulfuron and butachlor is 1:(12.5 ~ 62.5).
Preferably, the mass ratio of ethoxysulfuron and butachlor is 1:12.5.
Preferably, the mass ratio of ethoxysulfuron and butachlor is 1:31.3.
Preferably, the mass ratio of ethoxysulfuron and butachlor is 1:50.
Preferably, the mass ratio of ethoxysulfuron and butachlor is 1:62.5.
More preferably, the mass ratio of ethoxysulfuron and butachlor is 1:25.
Present invention also offers the application of this Herbicidal combinations in water prevention weeds in paddy field; This Herbicidal combinations is made up of ethoxysulfuron and butachlor; In embodiments more provided by the invention, the mass ratio of ethoxysulfuron and butachlor is 1:(6.25 ~ 125); Preferably, the mass ratio of ethoxysulfuron and butachlor is 1:(12.5 ~ 62.5); More preferably, the mass ratio of ethoxysulfuron and butachlor is 1:25.
In embodiments more provided by the invention, paddy field weed is grassy weed, sedge weed or broad-leaved section weeds.
In embodiments more provided by the invention, grassy weed is barnyard grass.
In embodiments more provided by the invention, broad-leaved section weeds are Monochoria vaginalis.
Present invention also offers a kind of Weed removal medicinal fertilizer, comprise plant growth regulator, auxiliary agent, fertilizer, filler and Herbicidal combinations of the present invention; This Herbicidal combinations is made up of ethoxysulfuron and butachlor; In embodiments more provided by the invention, the mass ratio of ethoxysulfuron and butachlor is 1:(6.25 ~ 125); Preferably, the mass ratio of ethoxysulfuron and butachlor is 1:(12.5 ~ 62.5); More preferably, the mass ratio of ethoxysulfuron and butachlor is 1:25.
In embodiments more provided by the invention, in Weed removal medicinal fertilizer, Herbicidal combinations 0.01 ~ 5wt%, plant growth regulator 0.01 ~ 1wt%, auxiliary agent 0.5 ~ 10wt%, fertilizer 40 ~ 95wt%, filler complements to 100%.
As preferably, in Weed removal medicinal fertilizer, Herbicidal combinations 0.065 ~ 2wt%, plant growth regulator 0.04 ~ 0.6wt%, auxiliary agent 3.3 ~ 7.7wt%, fertilizer 50 ~ 91wt%, filler complements to 100%.
Preferably, in Weed removal medicinal fertilizer, Herbicidal combinations 0.208wt%, plant growth regulator 0.1wt%, auxiliary agent 4wt%, fertilizer 89.5wt%, filler complements to 100%.
In embodiments more provided by the invention, the formulation of Weed removal medicinal fertilizer is granule.
In embodiments more provided by the invention, plant growth regulator is compound sodium nitrophenolate.
In embodiments more provided by the invention, fertilizer is made up of nitrogen, phosphorus, potassium element and Meso-and micro-nutrients fertilizer.
As preferably, nitrogen element content accounts for 15% ~ 30% of Weed removal medicinal fertilizer gross weight.
In embodiments more provided by the invention, nitrogen element is from one or more in urea, ammonium chloride, ammonium sulfate.
As preferably, phosphorus element content accounts for 0 ~ 10% of Weed removal medicinal fertilizer gross weight.
In embodiments more provided by the invention, P elements is from one or more in MAP, diammonium phosphate, fused calcium magnesium phosphate.
As preferably, Determination of Potassium accounts for 0 ~ 20% of Weed removal medicinal fertilizer gross weight.
In embodiments more provided by the invention, potassium element is from one or more in potassium chloride, potassium sulfate, potassium nitrate.
As preferably, Meso-and micro-nutrients content accounts for 4% ~ 10% of Weed removal medicinal fertilizer gross weight.
In embodiments more provided by the invention, Meso-and micro-nutrients is from five in calcium silicates, magnesium sulfate, magnesium chloride, zinc sulphate, zinc chloride, manganese sulphate, manganese chloride, copper sulphate, copper chloride, boric acid, sodium molybdate, ferrous sulfate, frerrous chloride kind or more than five kinds.
In embodiments more provided by the invention, auxiliary agent is a kind of or both the above mixtures in solvent, diffusant, stabilizing agent, controlled release agent, organic acid activator.
In embodiments more provided by the invention, diffusant refers to sodium lignin sulfonate, di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate, methylene dimethyl sodium dinaphthalenesulfonate, diisobutyl sodium naphthalene sulfonate.
In embodiments more provided by the invention, stabilizing agent refers to the one in polycarboxylic acid salt, wgwin D88, D91, D93.
In embodiments more provided by the invention, organic acid activator is one or more in amino acid, citric acid, humic acid, EDTA, DTPA, EDDHA.
In embodiments more provided by the invention, filler is a kind of or both the above mixtures in kaolin powder, high calcium soil powder, clay powder or diatomite.
Present invention also offers a kind of breeding of hybrid rice cultivation method, comprise seed disinfection, basal dressing, use the step of plant growth regulator and paddy rice production of hybrid seeds special nutritional element;
Basal dressing is: before harrowing a field, base executes paddy rice production of hybrid seeds special fertilizer and Weed removal medicinal fertilizer provided by the invention; This Herbicidal combinations is made up of ethoxysulfuron and butachlor; In embodiments more provided by the invention, the mass ratio of ethoxysulfuron and butachlor is 1:(6.25 ~ 125); Preferably, the mass ratio of ethoxysulfuron and butachlor is 1:(12.5 ~ 62.5); More preferably, the mass ratio of ethoxysulfuron and butachlor is 1:25.
As preferably, the amount of application of Weed removal medicinal fertilizer is 1 ~ 25kg/ mu.
In embodiments more provided by the invention, the amount of application of Weed removal medicinal fertilizer is 10kg/ mu.
In embodiments more provided by the invention, in paddy rice production of hybrid seeds special fertilizer, nitrogen element is 22%, and P elements is 8%, and potassium element is 12%, and medium trace element is 10%, and auxiliary agent 5%, filler complements to 100%.
In embodiments more provided by the invention, Mn+Zn+B >=15% in paddy rice production of hybrid seeds special nutritional element.
In embodiments more provided by the invention, plant growth regulator is gibberellin A 3.
In embodiments more provided by the invention, seed disinfection process is: first seed clear water is soaked 12 hours, put into 40% trichloro-isocyanuric acid wettable powder, 500 times of liquid and 30%2-(acetoxyl group) benzoic acid soluble powder 1000 times of liquid seed soaking 12 hours again, then rinse with clear water clean, pull vernalization, sowing out.
Rice cultivating method provided by the invention is not only applicable to the production of hybrid seeds of hybrid rice, is applicable to the plantation of common rice simultaneously.
Present invention also offers a kind of weed killer herbicide, comprise acceptable auxiliary material in Herbicidal combinations of the present invention and Pesticide Science; This Herbicidal combinations is made up of ethoxysulfuron and butachlor; In embodiments more provided by the invention, the mass ratio of ethoxysulfuron and butachlor is 1:(6.25 ~ 125); Preferably, the mass ratio of ethoxysulfuron and butachlor is 1:(12.5 ~ 62.5); More preferably, the mass ratio of ethoxysulfuron and butachlor is 1:25.
The invention provides a kind of Herbicidal combinations and application thereof, preparation.This Herbicidal combinations is made up of ethoxysulfuron and butachlor.The present invention at least has one of following advantage:
In the present invention, it is 1:(6.25 ~ 125 that research to show ethoxysulfuron and butachlor with mass ratio) with the use of time, effectively can prevent and kill off the broad-leaved such as grassy weed and the Monochoria vaginalis section weeds such as barnyard grass, all belong to synergistic effect.Wherein with ethoxysulfuron: butachlor is that 1:25 effect is best;
Weed removal medicinal fertilizer provided by the invention effectively can prevent and kill off grass family, sedge family, broad-leaved class annual weed, and weeding speed, herbicide spectrum and drug effect, effect of increasing production are extremely significantly better than contrasting medicament;
By beginning to flourish in Guangdong, the demonstration cultivation of Anren, Hunan and Wugang, Hunan, cultivation method provided by the invention can improve seedling quality relative to this locality custom seeding technique, effective increase Basic Seedling and ahead of time period of seedling establishment reduce tillering node, the relative prolongation effective tiller time, thus reach the effect increasing effective fringe; By increasing effective fringe, improve the pollinated floret bears of colony, making for reducing card neck rate and card neck degree to reach the object improving outcrossing seed-setting rate in conjunction with nutrient and water-soluble " 920 ".This cultivation method takes the disposable warehouse-in of required fertilizer, by the accurate release of nutrient, a weeds in field Ex-all, the cultivation step that fertilizer is permanent, the female parent individuality of seed farm is made to obtain maximum performance, colony obtains development in an all-round way, and colony and individuality reach rational seedling ear structure and Spike granule character, effectively improve the overall yield of the production of hybrid seeds.Thus reach light letter cultivation, precisely discharge, improve the object of productivity effect;
Cultivation method provided by the invention reduces labour intensity widely, reduces working feature, increases economic efficiency, simple and easy to do, convenient operation, easily for vast farmers accepts, is applicable to extensive seed breeding base, can large scale application.
Embodiment
The invention discloses the efficient breeding of hybrid rice cultivation method of a kind of light letter.Those skilled in the art can use for reference present disclosure, and suitable improving technique parameter realizes.Special needs to be pointed out is, all similar replacements and change apparent to those skilled in the art, they are all deemed to be included in the present invention.Method of the present invention and application are described by preferred embodiment, related personnel obviously can not depart from content of the present invention, spirit and scope methods and applications as herein described are changed or suitably change with combination, realize and apply the technology of the present invention.
In light letter provided by the invention efficient breeding of hybrid rice cultivation method, raw materials used medicine or auxiliary material all can be buied by market.Paddy rice production of hybrid seeds special fertilizer purchased from Hu'nan Shenlong Super Rice High Yield Engineering Co., Ltd., wherein: N-P
2o
5-K
2o is 22-8-12, Meso-and micro-nutrients 10%, auxiliary agent 5%, and filler complements to 100%; Special 920 pulvis of the paddy rice production of hybrid seeds are purchased from Hu'nan Shenlong Super Rice High Yield Engineering Co., Ltd., and it is the solvable pulvis of 20% gibberellic acid A3; Paddy rice production of hybrid seeds special nutritional element is purchased from Hu'nan Shenlong Super Rice High Yield Engineering Co., Ltd., and it is trace element water-soluble fertilizer, Mn+Zn+B>=15%.
Below in conjunction with embodiment, set forth the present invention further:
The preparation of embodiment 1 herbicide fertilizer granules
In mass percentage, the formula of herbicide fertilizer granules is as follows:
Herbicidal combinations: ethoxysulfuron 0.004%, butachlor 0.025%.The mass ratio of ethoxysulfuron and butachlor is 1:6.25.
Plant growth regulator: compound sodium nitrophenolate 0.04%.
Auxiliary agent: aqueous solvent 0.5%, dispersing agent NNO 0.1%, stabilizing agent D93 0.2%, controlled release agent 2%, EDTA 0.5%.
Fertilizer: urea 40%, MAP 21%, potassium chloride 17%; Calcium silicates, magnesium chloride, zinc chloride, sodium molybdate, mebor 10%.
Filler: clay powder supplies 100%.
Preparation method is:
Ethoxysulfuron, butachlor active compound, compound sodium nitrophenolate, solvent, diffusant, stabilizing agent are added in sand mill, reach less than 5 μm through shearing sand milling to material particular diameter, obtaining agricultural-chemical suspension liquid.
By Meso-and micro-nutrients and organic acid activator complexing, then huge legendary turtle is closed state Meso-and micro-nutrients, controlled release agent mixes with n-p-k element, filler, granulation, Drying and cooling, screening, make compound fertilizer granules agent;
Mixed by agricultural-chemical suspension liquid, spraying coating, in compound fertilizer granules agent, mixes, makes Weed removal medicinal fertilizer particle.Consumption: 25kg/ mu.
The preparation of embodiment 2 herbicide fertilizer granules
In mass percentage, the formula of herbicide fertilizer granules is as follows:
Herbicidal combinations: ethoxysulfuron 0.01%, butachlor 0.125%.The mass ratio of ethoxysulfuron and butachlor is 1:12.5.
Plant growth regulator: compound sodium nitrophenolate 0.1%.
Auxiliary agent: aqueous solvent 0.5%, dispersing agent NNO 0.2%, stabilizing agent D93 0.2%, controlled release agent 3%, EDTA 0.6%.
Fertilizer: urea 30%, ammonium chloride 10%; Calcium silicates, magnesium chloride, zinc chloride, sodium molybdate, mebor 10%.
Filler: kaolin supplies 100%.
Preparation method is:
Ethoxysulfuron, butachlor active compound, compound sodium nitrophenolate, solvent, diffusant, stabilizing agent are added in sand mill, reach less than 5 μm through shearing sand milling to material particular diameter, obtaining agricultural-chemical suspension liquid.
By Meso-and micro-nutrients and organic acid activator complexing, then huge legendary turtle is closed state Meso-and micro-nutrients, controlled release agent mixes with n-p-k element, filler, granulation, Drying and cooling, screening, make compound fertilizer granules agent;
Mixed by agricultural-chemical suspension liquid, spraying coating, in compound fertilizer granules agent, mixes, makes Weed removal medicinal fertilizer particle.Consumption: 10kg/ mu.
The preparation of embodiment 3 herbicide fertilizer granules
In mass percentage, the formula of herbicide fertilizer granules is as follows:
Herbicidal combinations: ethoxysulfuron 0.008%, butachlor 0.2%.The mass ratio of ethoxysulfuron and butachlor is 1:25.
Plant growth regulator: compound sodium nitrophenolate 0.1%.
Auxiliary agent: aqueous solvent 0.5%, dispersing agent NNO 0.2%, stabilizing agent D88 0.1%, controlled release agent 3%, citric acid 0.2%.
Fertilizer: urea 25%, ammonium chloride 15%, MAP 14.5%, potassium chloride 25%; Calcium silicates, magnesium chloride, zinc chloride, sodium molybdate, mebor 10%.
Filler: clay powder supplies 100%.
Preparation method is:
Ethoxysulfuron, butachlor active compound, compound sodium nitrophenolate, solvent, diffusant, stabilizing agent are added in sand mill, reach less than 5 μm through shearing sand milling to material particular diameter, obtaining agricultural-chemical suspension liquid.
By Meso-and micro-nutrients and organic acid activator complexing, then huge legendary turtle is closed state Meso-and micro-nutrients, controlled release agent mixes with n-p-k element, filler, granulation, Drying and cooling, screening, make compound fertilizer granules agent;
Mixed by agricultural-chemical suspension liquid, spraying coating, in compound fertilizer granules agent, mixes, makes Weed removal medicinal fertilizer particle.Consumption: 10kg/ mu.
The preparation of embodiment 4 herbicide fertilizer granules
In mass percentage, the formula of herbicide fertilizer granules is as follows:
Herbicidal combinations: ethoxysulfuron 0.025%, butachlor 0.775%.The mass ratio of ethoxysulfuron and butachlor is 1:31.3.
Plant growth regulator: compound sodium nitrophenolate 0.2%.
Auxiliary agent: aqueous solvent 1%, diffusant diisobutyl sodium naphthalene sulfonate 0.4%, stabilizing agent D91 0.3%, controlled release agent 2%, citric acid 0.3%.
Fertilizer: urea 20%, ammonium chloride 30%, MAP 15%, potassium chloride 16%, calcium silicates, magnesium chloride, zinc chloride, sodium molybdate, mebor 10%.
Filler: diatomite supplies 100%.
Preparation method is:
Ethoxysulfuron, butachlor active compound, compound sodium nitrophenolate, solvent, diffusant, stabilizing agent are added in sand mill, reach less than 5 μm through shearing sand milling to material particular diameter, obtaining agricultural-chemical suspension liquid.
By Meso-and micro-nutrients and organic acid activator complexing, then huge legendary turtle is closed state Meso-and micro-nutrients, controlled release agent mixes with n-p-k element, filler, granulation, Drying and cooling, screening, make compound fertilizer granules agent;
Mixed by agricultural-chemical suspension liquid, spraying coating, in compound fertilizer granules agent, mixes, makes Weed removal medicinal fertilizer particle.Consumption: 5kg/ mu.
The preparation of embodiment 5 herbicide fertilizer granules
In mass percentage, the formula of herbicide fertilizer granules is as follows:
Herbicidal combinations: ethoxysulfuron 0.02%, butachlor 1.0%.The mass ratio of ethoxysulfuron and butachlor is 1:50.
Plant growth regulator: compound sodium nitrophenolate 0.5%.
Auxiliary agent: aqueous solvent 1.5%, dispersing agent NNO 0.4%, stabilizing agent D93 0.3%, controlled release agent 2%, EDTA 0.1%.
Fertilizer: urea 30%, ammonium chloride 11%, MAP 21%, potassium chloride 20%; Calcium silicates, magnesium chloride, zinc chloride, sodium molybdate, mebor 8%.
Filler: clay powder supplies 100%.
Preparation method is:
Ethoxysulfuron, butachlor active compound, compound sodium nitrophenolate, solvent, diffusant, stabilizing agent are added in sand mill, reach less than 5 μm through shearing sand milling to material particular diameter, obtaining agricultural-chemical suspension liquid.
By Meso-and micro-nutrients and organic acid activator complexing, then huge legendary turtle is closed state Meso-and micro-nutrients, controlled release agent mixes with n-p-k element, filler, granulation, Drying and cooling, screening, make compound fertilizer granules agent;
Mixed by agricultural-chemical suspension liquid, spraying coating, in compound fertilizer granules agent, mixes, makes Weed removal medicinal fertilizer particle.Consumption: 2kg/ mu.
The preparation of embodiment 6 herbicide fertilizer granules
In mass percentage, the formula of herbicide fertilizer granules is as follows:
Herbicidal combinations: ethoxysulfuron 0.004%, butachlor 0.25%.The mass ratio of ethoxysulfuron and butachlor is 1:62.5.
Plant growth regulator: compound sodium nitrophenolate 0.6%.
Auxiliary agent: aqueous solvent 0.8%, diffusant di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate 0.4%, stabilizing agent polycarboxylic acid salt 0.3%, controlled release agent 3%, DTPA 0.1%.
Fertilizer: urea 10%, ammonium chloride 20%, MAP 21%, potassium chloride 20%, calcium silicates, magnesium chloride, zinc chloride, sodium molybdate, mebor 10%.
Filler: clay powder supplies 100%.
Preparation method is:
Ethoxysulfuron, butachlor active compound, compound sodium nitrophenolate, solvent, diffusant, stabilizing agent are added in sand mill, reach less than 5 μm through shearing sand milling to material particular diameter, obtaining agricultural-chemical suspension liquid.
By Meso-and micro-nutrients and organic acid activator complexing, then huge legendary turtle is closed state Meso-and micro-nutrients, controlled release agent mixes with n-p-k element, filler, granulation, Drying and cooling, screening, make compound fertilizer granules agent;
Mixed by agricultural-chemical suspension liquid, spraying coating, in compound fertilizer granules agent, mixes, makes Weed removal medicinal fertilizer particle.Consumption: 15kg/ mu.
The preparation of embodiment 7 herbicide fertilizer granules
In mass percentage, the formula of herbicide fertilizer granules is as follows:
Herbicidal combinations: ethoxysulfuron 0.016%, butachlor 2.0%.The mass ratio of ethoxysulfuron and butachlor is 1:125.
Plant growth regulator: compound sodium nitrophenolate 0.5%.
Auxiliary agent: aqueous solvent 2%, dispersing agent NNO 0.5%, stabilizing agent D93 0.4%, controlled release agent 4%, EDTA0.3%.
Fertilizer: urea 10%, ammonium chloride 20%, MAP 21%, potassium chloride 20%, calcium silicates, magnesium chloride, zinc chloride, sodium molybdate, mebor 10%.
Filler: clay powder supplies 100%.
Preparation method is:
Ethoxysulfuron, butachlor active compound, compound sodium nitrophenolate, solvent, diffusant, stabilizing agent are added in sand mill, reach less than 5 μm through shearing sand milling to material particular diameter, obtaining agricultural-chemical suspension liquid.
By Meso-and micro-nutrients and organic acid activator complexing, then huge legendary turtle is closed state Meso-and micro-nutrients, controlled release agent mixes with n-p-k element, filler, granulation, Drying and cooling, screening, make compound fertilizer granules agent;
Mixed by agricultural-chemical suspension liquid, spraying coating, in compound fertilizer granules agent, mixes, makes Weed removal medicinal fertilizer particle.Consumption: 2kg/ mu.
The test of pesticide effectiveness of embodiment 8 Weed removal medicinal fertilizer
(1) synergy measures
The Weed removal medicinal fertilizer that Example 1 to embodiment 5 prepares carries out effect experiment, tests to the activity of weeding after two kinds of herbicide mixtures by Gowing method, and mixture calculation of effect formula is:
In formula, the Weed-control effect of weed killer herbicide A when X represents that consumption is P; The Weed-control effect of weed killer herbicide B when Y represents that consumption is Q; E
0the theoretical preventive effect of weed killer herbicide (A+B) when representing that weed killer herbicide consumption is (P+Q), the actual preventive effect of weed killer herbicide (A+B) when E represents weed killer herbicide consumption (P+Q), determination methods is as follows:
As E-E0 > 0, illustrate that mixture herbicide produces synergistic effect;
As E-E0 < 0, illustrate that mixture herbicide produces antagonism;
When E-E0 value equals 0, illustrate that mixture herbicide produces summation action, the E in formula represents the actual measurement preventive effect % of each process.
Preventive effect data are in table 1 and table 2, and wherein table 1 is the preventive effect data of Weed removal medicinal fertilizer to barnyard grass, and table 2 is Weed removal medicinal fertilizer preventive effect data to barnyard grass.
Table 1 ethoxysulfuron and the composite synergy to barnyard grass of butachlor two yuan measure (after medicine 20d)
Table 2 ethoxysulfuron and the composite synergy to Monochoria vaginalis of butachlor two yuan measure (after medicine 20d)
By table 1,2 data can learn, butachlor is good to grassy weed preventive effects such as barnyard grasses, ethoxysulfuron to the sedge familys such as Monochoria vaginalis and broad-leaved section Weed-control effect good, both mixture ethoxysulfurons: butachlor proportioning is that the synergy of 1:6.25 ~ 1:125 to barnyard grass and Monochoria vaginalis belongs to synergistic effect.Wherein with ethoxysulfuron: butachlor is that 1:25 effect is best.
(2) control effect testing
Comparative trial 1:
Arranged in Wangcheng, Hunan the field district test preventing and kill off annual weed on rice seedling throwing field, test process is as follows:
A. Weed removal medicinal fertilizer in the embodiment of the present invention 3,10 kgs/acre;
B. contrast medicament and adopt homemade 25.1% ethoxysulfuron butachlor suspending agent, ethoxysulfuron: butachlor: 1:250, is watered 30 kilograms of sprayings by 200 grams/acre;
C. blank CK.
Dispenser in 5-7 days after rice seedling throwing, investigates strain preventive effect and the fresh weight preventive effect of all kinds of weeds for 15,30 days after medicine, surveys and produces, the results are shown in following table during results.
Table 3 Weed removal medicinal fertilizer prevents and kill off rice seedling throwing field weed strain preventive effect (after medicine 15 days)
Table 4 Weed removal medicinal fertilizer prevents and kill off rice seedling throwing field weed effect (after medicine 30 days)
Table 5 Weed removal medicinal fertilizer prevents and kill off the impact of rice seedling throwing field weed on rice yield
Result of the test shows: the Weed removal medicinal fertilizer that the embodiment of the present invention 1 provides prevents and kill off rice seedling throwing field annual weed fresh weight preventive effect 96.53% (after medicine 30 days), volume increase 8.66%, show that the Weed removal medicinal fertilizer that the embodiment of the present invention 1 provides expands herbicide spectrum, all have good preventive effect to seedling throwing field grass family, sedge family, the annual main weeds of broad-leaved class, weeding speed, herbicide spectrum and drug effect, effect of increasing production are extremely significantly better than contrasting medicament.
Comparative trial 2:
Arranged at liuyang hunan the field district test preventing and kill off annual weed on transplanted rice field, test process is as follows:
A. the Weed removal medicinal fertilizer that provides of the embodiment of the present invention 3, directly spreads fertilizer over the fields by 10 kgs/acre;
B. contrast medicament and adopt homemade 25.1% ethoxysulfuron butachlor suspending agent, ethoxysulfuron: butachlor: 1:250, is watered 30 kilograms of sprayings by 200 grams/acre;
C. blank CK.
Dispenser in 5-7 days after rice transplanting.After medicine, within 15,30 days, investigate strain preventive effect and the fresh weight preventive effect of all kinds of weeds, survey during results and produce, the results are shown in following table.
Table 6 Weed removal medicinal fertilizer prevents and kill off rice transplanting field weed strain preventive effect (after medicine 20 days)
Table 7 Weed removal medicinal fertilizer prevents and kill off rice transplanting field weed strain preventive effect (after medicine 40 days)
Table 8 Weed removal medicinal fertilizer prevents and kill off rice transplanting field weed fresh weight preventive effect (after medicine 40 days)
Table 9 Weed removal medicinal fertilizer is prevented and kill off rice transplanting field weed and is surveyed product result
| Process number | Thousand kernel weight (g) | Rate of body weight gain % | Per mu yield (kg) | The significance of difference | Rate of growth % |
| A | 28.27 | 0.12 | 450.4 | a A | 6.63 |
| B | 28.26 | 0.08 | 434.9 | b AB | 3.05 |
| C | 28.23 | - | 421.6 | c B | - |
Result of the test shows: it is 99.44% (after medicine 40 days) that the Weed removal medicinal fertilizer that the embodiment of the present invention 2 provides prevents and kill off rice direct seeding field annual weed fresh weight preventive effect, rate of growth 6.63%, show that the Weed removal medicinal fertilizer that the embodiment of the present invention 2 provides expands herbicide spectrum, also good preventive effect is had with preparation consumption 25kg/ mu, process in latter 45 days, to direct seading rice field annual weed barnyard grass, cyperus iria, difformed galingale herb, Monochoria vaginalis, Procumbent Falsepimpernel, mud flowers and plants, the annual main weeds such as water three-coloured amaranth all have good preventive effect, weeding speed, herbicide spectrum and drug effect, rate of growth and fertilizer efficiency are extremely significantly better than contrasting medicament.
Weed removal medicinal fertilizer prepared by Example 3 ~ 5 carries out control effect testing test, and the result of the test of result and the present embodiment 1,2 is close, shows that the preventive effect of Weed removal medicinal fertilizer prepared by embodiment 3 ~ 5 is good, can promote increasing production of rice.
Embodiment 9 paddy rice production of hybrid seeds cultivation demonstration
2014 in Wugang, Hunan, Anren, the Guangdong three breeding of hybrid rice bases, ground that begin to flourish arrange breeding of hybrid rice culture technique field comparative test.Base, Wugang, Hunan, combination 1892S combination; Base, Anren, Hunan, combines five Feng You series of combination; Guangdong begins to flourish base, combination 089S/R608.
1 mu, each base of test area, if two process, comprises process A and treatments B.Process A adopts local custom seeding technique:
Guangdong begin to flourish test site this locality custom seeding technique: field management, two plough two rakes, June 2, the Chemical Mixed Fertilizer 25 kilograms of every mu of use 45% (nitrogen: phosphorus: potassium=15:15:15) makes base manure, namely male parent is transplanted after plow harrow, after 6 days, male parent every mu imposes 2.5 kilograms of potassium chloride and adds 4 kilograms of urea, a maternal rear week every mu 5 kilograms of urea of transplanting add 7.5 kilograms of potassium chloride and 200 milliliters of glyphosates and mix and topdress in conjunction with chemical weed control, 7.5 kilograms, potassium chloride is imposed in the 5-6 phase every mu of ear differentiation, July 1, partially execute male parent, every mu of 2.5 kilograms of urea add composite fertilizer 2.5 kilograms, July 5, 2.5 kilograms every mu add 5 kilograms, potassium chloride and make ear manuer, see that fringe 30% starts to spray first time " 920 ", every mu of total consumption 26 grams, comprise male parent to divide and use for three times.
This locality custom seeding technique of test site, Anren, Hunan: field management, two plough two rakes, the composite fertilizer 30 kilograms of every mu of foreign rich board 40% of use makes base manure, namely male parent is transplanted after plow harrow, after 3 days, male parent every mu imposes 6 kilogram of 40% composite fertilizer and adds 4 kilograms of urea, a maternal rear week every mu 15 kilograms of urea of transplanting add 1 bag fire hoe weed killer herbicide and mix and topdress in conjunction with chemical weed control, 7.5 kilograms, potassium chloride is imposed in the 5-6 phase every mu of ear differentiation, see that fringe 20% starts to spray first time " 920 ", every mu of total consumption 32 grams, when spraying " 920 ", every mu adds strong paddy power 2 and wraps, use at twice.
This locality custom seeding technique of test site, Wugang, Hunan: field management, two plough two rakes, the Chemical Mixed Fertilizer of every mu of use 45% (nitrogen: phosphorus: potassium=15:15:15) makes base manure, 30 kilograms every mu, transplant 7 days afterwards 10 kilograms, every mu of urea add 2 Bao Shengnongle and turn green and topdress, in conjunction with chemical weed control, see fringe 20% every mu spray " 920 " 40 grams.
Treatments B adopts paddy rice production of hybrid seeds culture technique provided by the invention, specific as follows:
Seed disinfection: first maternal for hybrid rice seed clear water is soaked 12 hours, by 40% trichloro-isocyanuric acid wettable powder, 500 times of liquid and 30%2-(acetoxyl group) benzoic acid soluble powder 1000 times of immersion kinds 12 hours, then rinse with clear water clean, pull vernalization, sowing out;
Apply fertilizer in land for growing field crops: after in land for growing field crops arranges, plough turns over, and before harrowing a field, the Weed removal medicinal fertilizer 10kg/ mu that paddy rice production of hybrid seeds special fertilizer 40kg/ mu and embodiment 3 provide executed by base, afterwards no longer with other weed killer herbicides with topdress;
Spray " 920 ": when maternal 20% heading starts, use the paddy rice production of hybrid seeds special 920 pulvis (the solvable pulvis of gibberellin A 3 of 20%) 24g/ mu and paddy rice production of hybrid seeds special nutritional element 100g/ mu.
Investigate maternal percentage of seedgermination and seedling quality situation in the course of cultivation, investigation card neck fringe, card neck degree, economic characters, output, means of agricultural production input cost, and analyze economic benefit, result is as follows:
Table 10 respectively process affects application form to maternal germination rate
Table 11 respectively process affects application form to maternal seedling quality
From the survey data of table 10, table 11, Guangdong begins to flourish, Anren, Hunan, ground, Wugang, Hunan three adopt the precisely efficient breeding of hybrid rice culture technique of light letter on average to improve 5.4% than the germination rate of local custom seeding technique, on average every mu of tiller number increases by 27.3%, greatly increases seedling quality.
Table 12 respectively process affects application form to card neck fringe and card neck degree
Draw from table 12, Anren, Hunan, two places, Wugang, Hunan adopt the precisely efficient breeding of hybrid rice culture technique of light letter to increase to some extent than local custom seeding technique plant height, improve maternal pollination attitude, card neck spike number, card neck rate and card neck degree reduce all to some extent, add the floret bears that can pollinate, thus reach the object improving outcrossing seed-setting rate.
Table 13 respectively processes the application form (after medicine 20 days) to weeds strain preventive effect
Table 14 respectively processes weeds in paddy field effect research table (after medicine 40 days)
From table 13, table 14, Guangdong begins to flourish, Anren, Hunan, ground, Wugang, Hunan three adopt the precisely efficient breeding of hybrid rice culture technique of light letter, after medicine 20 days, the average strain preventive effect of the annual weed such as barnyard grass, Monochoria vaginalis is 98.7%, after medicine 40 days, average strain preventive effect and fresh weight preventive effect are respectively 99.1%, 99.1%, and preventive effect is extremely significantly better than local custom seeding technique.
Table 15 respectively process affects application form to Economic Character of Rice and output
Draw from the investigation result of table 15, Guangdong begins to flourish, Anren, Hunan, ground, Wugang, Hunan three adopt precisely the efficient breeding of hybrid rice culture technique of light letter than the effective fringe of local custom seeding technique every mu, Defined daily doses, ripening rate, theoretical yield, effective yield respectively average relative increase by 6.3%, 31.2%, 31.7%, 39.3%, 16.3%, greatly increase breeding of hybrid rice output.
Table 16 is process means of agricultural production input cost table respectively
Table 17 Economic and Efficiency Analysis
Note: the unit price of the output value calculates standard and is: Guangdong begins to flourish, the seed in base, Wugang, Hunan by 16 yuan/kg, base, Anren, Hunan seed is by 12 yuan of/kilogram of calculating.
Draw from the result of table 16, table 17, Guangdong begins to flourish, Anren, Hunan, ground, Wugang, Hunan three adopt paddy rice production of hybrid seeds culture technique provided by the invention to reduce respectively 5 times, 3 times, 1 time than local custom seeding technique recruitment number of times, input-output ratio is respectively 1:7.4,1:8.8,1:3.7, and economic benefits comparison is high.Can be found out by three ground result of the tests in 2014, adopt paddy rice production of hybrid seeds culture technique provided by the invention, can seedling quality be improved, effectively increase Basic Seedling and the tillering node of period of seedling establishment reduction ahead of time, the relative prolongation effective tiller time, thus reach the effect increasing effective fringe; By increasing effective fringe, improve the pollinated floret bears of colony, making for reducing card neck rate and card neck degree to reach the object improving outcrossing seed-setting rate in conjunction with nutrient and water-soluble " 920 ".By the accurate release of nutrient, make the female parent individuality of seed farm obtain maximum performance, colony obtains development in an all-round way, and colony and individuality reach rational seedling ear structure and Spike granule character, effectively improve the overall yield of the production of hybrid seeds.And reduce labour intensity widely, reduce working feature, increase economic efficiency, simple and easy to do, convenient operation, easily for vast farmers accepts, can large scale application.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a Herbicidal combinations, is characterized in that, is made up of ethoxysulfuron and butachlor.
2. Herbicidal combinations according to claim 1, is characterized in that, the mass ratio of described ethoxysulfuron and described butachlor is 1:(6.25 ~ 125).
3. the application of Herbicidal combinations in water prevention weeds in paddy field as claimed in claim 1 or 2.
4. a Weed removal medicinal fertilizer, is characterized in that, comprises Herbicidal combinations described in plant growth regulator, auxiliary agent, fertilizer, filler and claim 1 or 2.
5. Weed removal medicinal fertilizer according to claim 4, is characterized in that, in described Weed removal medicinal fertilizer, Herbicidal combinations 0.01 ~ 5wt%, plant growth regulator 0.01 ~ 1wt%, auxiliary agent 0.5 ~ 10wt%, fertilizer 40 ~ 95wt%, filler complements to 100%.
6. Weed removal medicinal fertilizer according to claim 4, is characterized in that, the formulation of described Weed removal medicinal fertilizer is granule.
7. a breeding of hybrid rice cultivation method, is characterized in that, comprises seed disinfection, basal dressing, uses the step of plant growth regulator and paddy rice production of hybrid seeds special nutritional element;
Described basal dressing for: before harrowing a field, base executes paddy rice production of hybrid seeds special fertilizer and the Weed removal medicinal fertilizer according to any one of claim 4 to 6.
8. breeding of hybrid rice cultivation method according to claim 7, is characterized in that, the amount of application of described Weed removal medicinal fertilizer is 1 ~ 25kg/ mu.
9. rice cultivating method according to claim 7, is characterized in that, in described paddy rice production of hybrid seeds special fertilizer, nitrogen element is 22%, and P elements is 8%, and potassium element is 12%, and medium trace element is 10%, and auxiliary agent 5%, filler complements to 100%.
10. a weed killer herbicide, is characterized in that, comprises acceptable auxiliary material in Herbicidal combinations described in claim 1 or 2 and Pesticide Science.
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Cited By (7)
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| CN104886098A (en) * | 2015-06-11 | 2015-09-09 | 傅杨 | Low-amount synergistic weeding compound agent for paddy field transplantation and application thereof |
| CN106233973A (en) * | 2016-07-29 | 2016-12-21 | 桂林实力科技有限公司 | The miscegenation method of Fructus Momordicae charantiae |
| CN106305037A (en) * | 2016-07-29 | 2017-01-11 | 桂林实力科技有限公司 | Momordica grosvenori crossbreeding method |
| CN108002902A (en) * | 2017-11-30 | 2018-05-08 | 锦州硕丰农药集团有限公司 | One kind sustained release fertilizer granules and its production method |
| CN110037022A (en) * | 2018-01-15 | 2019-07-23 | 南京农业大学 | A kind of binary built agent that preventing and kill off rice planting technology field weed-piperazine pyrazosulfuron pretilachlor |
| CN112772647A (en) * | 2021-01-26 | 2021-05-11 | 江苏润丰致远作物科技有限公司 | Production formula of butachlor and 2, 4-D isooctyl ester herbicide composition |
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| CN104886098A (en) * | 2015-06-11 | 2015-09-09 | 傅杨 | Low-amount synergistic weeding compound agent for paddy field transplantation and application thereof |
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| CN112772647A (en) * | 2021-01-26 | 2021-05-11 | 江苏润丰致远作物科技有限公司 | Production formula of butachlor and 2, 4-D isooctyl ester herbicide composition |
| CN115152781A (en) * | 2022-08-24 | 2022-10-11 | 安徽佰沃作物保护有限公司 | Pesticide composition and pesticide oil suspending agent containing same |
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