CN104472525A - Synergism formula and spraying method for field tank mixing pesticide aiming at heading stage diseases such as false smut and neck blast of rice - Google Patents
Synergism formula and spraying method for field tank mixing pesticide aiming at heading stage diseases such as false smut and neck blast of rice Download PDFInfo
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Abstract
The invention relates to a synergism formula and spraying method for a field tank mixing pesticide aiming at heading stage diseases such as the false smut and the neck blast of rice. The pesticide is formed by mixing three pesticide preparations, active ingredients of the three pesticide preparations are trifloxystrobin.tebuconazole, azoxystrobin.prochloraz and tricyclazole respectively. The trifloxystrobin.tebuconazole accounts for 10-35% of the total weight of the active ingredients, the azoxystrobin.prochloraz accounts for 10-35% of the total weight of the active ingredients, the tricyclazole accounts for 30-80% of the total weight of the active ingredients, and the total weight of the active ingredients is the sum of the weight of the trifloxystrobin.tebuconazole, the weight of the azoxystrobin.prochloraz and the weight of the tricyclazole. The spraying method includes the two steps of performing prevention and treatment 5-7 days before the rupturing stage and performing prevention and treatment at the heading stage. The synergism formula is suitable for field tank mixing, the complementary advantages of the high prevention and treatment activity of the trifloxystrobin.tebuconazole and the azoxystrobin.prochloraz for the false smut and the long lasting period of the tricyclazole for the neck blast are fully used, the heading stage diseases such as the false smut and the neck blast of the rice can be efficiently prevented and treated, the prevention and treatment effect is substantially improved, and the defect that single agentia is poor in activity is overcome; the number of times of field pesticide application, dosage and pesticide applying cost are reduced, and the pollution to the rice field environment by the pesticide is reduced.
Description
Technical field
The present invention relates to a kind of field bucket for the fringe such as rice green smut and panicle blast phase disease and mix pesticide synergistic formula and spraying method thereof, especially the field bucket containing oxime bacterium Tebuconazole, Fluoxastrobin Prochloraz, tricyclazole three kinds of active components mixes a pesticide synergistic formula, and before paddy rice cut 5 ~ 7 days, full heading time carries out twice control.Belong to pesticide science operation technique field.
Background technology
The Monitoring of Paddy Rice Plant Area of China accounts for 1/3 of cereal crops, and the disease of hazard rice, worm, crop smothering kind are more, and multiple folded generation.Rice field chemical pesticide is of a great variety, and spraying times increases to more than 10 times for 2-3 time suddenly from the rice field medication of per season in 20th century, and simultaneously insecticide-applying way is transformed into by original single pharmacy application and is used after the on-the-spot bucket in field mixes by Multiple Pesticides preparation.But the bucket at scene, field is mixed exists randomness, is theoretically unsound, easily occurs following problem: the superposition even antagonism showing as drug effect after (1) some medicament barrel mixes, makes drug effect reduce, and causes the excessive use of agricultural chemicals; (2) after some medicament barrel mixes, the original physicochemical property of pesticidal preparations is changed, the mixed rear preparation stability of bucket is deteriorated compared with original unitary agent, easily causes the generation of poisoning.
Rice blast is the normal property sent out, gas transmissibility Major Diseases on paddy rice, occurs to neat fringe blooming stage at paddy rice cut, and because weather conditions are suitable for, paddy rice is easy to panicle blast occurs.Particularly a run of wet weather, sunshine is not enough, time fine time rain, sooner or later have cloud and mist and dew condition to descend, state of an illness expansion is rapidly.After catching an illness, the water stain shape chlorisis scab of initial formation, last blackening brown, panicle neck is downright bad, and the nutrient passage that plant is transported to fringe portion is blocked, thus forms dead ears or flat grain, cause the increase of not plump paddy, thousand kernel weight reduction, the general underproduction 10% ~ 30%, even has no harvest time serious.In conjunction with the various factors of the sick occurrence injury of panicle blast, the control of panicle blast disease is except selecting disease-resistant variety, seed disinfection, reinforcement field liquid manure management in production, and outside growth promotion stalwartness is disease-resistant, medicament prevention and therapy is major measure.
False smut is one of Common Diseases of paddy rice, main harm grain, forms blackish green or yellow powder ball, not only affects output, and the general underproduction 20% ~ 30%, more seriously pollutes paddy, harm health of human body.False smut mainly occurs at heading flowering period, and weather conditions, field humidity, nitrogen application situation are very large on the impact of disease generation weight.Rice Heading blooming stage, as continuous rainfall weather, will be conducive to infecting and breeding of germ, and disease is heavy by generation.Field humidity is large, and dew weighs and occurs heavier when dew is done late the morning.Applied nitrogen is excessive, excessively slow, and leaf growth is roomy and hang down loosely, and field covers, and ventilation and penetrating light is poor, and rice strain carbon-nitrogen ratio is lacked of proper care, and resistance decline, easily falls ill and degree increases the weight of.False smut control is except selecting disease-resistant variety, seed disinfection, reinforcement field liquid manure management in production, and outside growth promotion stalwartness is disease-resistant, medicament prevention and therapy is major measure.
The rice field booting non-phase is to the cut phase, the fringe such as rice green smut and panicle blast phase disease overlap occurs, study a kind of field bucket for the fringe such as rice green smut and panicle blast phase disease and mix pesticide synergistic formula and spraying method thereof, the decrement of the raising and agricultural chemicals that are beneficial to pesticide efficacy is used.
According to the knowledge of the applicant, oxime bacterium Tebuconazole belongs to real wide spectrum systemic fungicide, and all effective to most main plant disease fungus, biologically active is high, and preventive effect is good, and the lasting period is long, and effect stability; Outstanding system conductive, have excellent protection and therapeutic concurrently; Toxicity is low, residual low very friendly to user, consumer and environment; Regulate the absorption of calcium, alleviate physiological disturbance.
To be that main active is composite by Prochloraz, Fluoxastrobin form Fluoxastrobin Prochloraz; Prochloraz is for acting on mitochondrial respiration inhibitor; Fluoxastrobin is then by suppressing the biosynthesis of sterol and then having influence on cell permeability and play bactericidal action; after the bactericide that two kinds of mechanism of action is different is worked in coordination; nearly all Mycophytes disease is had to the bactericidal activity of wide spectrum; permeability, interior absorption are good, have protection, treat, root out three large effects.
Tricyclazole is control rice blast bactericide specially, has the protective fungicide of stronger interior absorption.Can rapidly by each site absorption of paddy rice, bactericidal action mechanism mainly suppresses the melanic formation of attachment spore, thus suppresses spore germination and attachment spore to be formed, and stop germ to invade people and reduce the generation of magnaporthe grisea spore, the lasting period is long, efficacy stability.
Summary of the invention
The goal of the invention that the present invention will realize is: overcome prior art Problems existing, a kind of field bucket for the fringe such as rice green smut and panicle blast phase disease is provided to mix pesticide synergistic formula and spraying method thereof, can drug effect be strengthened, improve preventive effect, be conducive to pesticide reduction and use.
The technology of the present invention design is as follows: study through systematicness test, applicant filters out oxime bacterium Tebuconazole, Fluoxastrobin Prochloraz, tricyclazole three kinds of pesticidal preparations from Multiple Pesticides preparation, in field, on-the-spot bucket mixes by a certain percentage, strengthens the drug effect to the fringe such as rice green smut and panicle blast phase disease; And from multiple formulation, filter out the combination of each preparation formulation, ensure that bucket mixes the stability of rear preparation; On the basis of above-mentioned research, applicant studies from spraying method further, ensures that bucket mixes the excellent preventive effect of rear preparation to the fringe such as rice green smut and panicle blast phase disease.
For achieving the above object, technical scheme of the present invention is as follows:
Field bucket for the fringe such as rice green smut and panicle blast phase disease mixes pesticide synergistic formula, is mixed, it is characterized in that by three kinds of pesticidal preparations, and the active component of described three kinds of pesticidal preparations is respectively oxime bacterium Tebuconazole, Fluoxastrobin Prochloraz, tricyclazole; After mixing, the weight of oxime bacterium Tebuconazole accounts for the 10-35% of described active component gross weight, and the weight of Fluoxastrobin Prochloraz accounts for the 10-35% of described active component gross weight, and the weight of tricyclazole accounts for the 30-80% of described active component gross weight; Described active component gross weight is the weight sum of oxime bacterium Tebuconazole, Fluoxastrobin Prochloraz, tricyclazole three.
The perfect further technical scheme of the present invention is: active component is the pesticidal preparations formulation of oxime bacterium Tebuconazole is water dispersible granules; Active component is the pesticidal preparations formulation of Fluoxastrobin Prochloraz is microemulsion; Active component is the pesticidal preparations formulation of tricyclazole is wetting powder.
Bucket mixes the stability of rear preparation to adopt above-mentioned dosage form combination to ensure, thus avoids poisoning occurs.
Preferably, the weight of oxime bacterium Tebuconazole accounts for the 20-35% of described active component gross weight, and the weight of Fluoxastrobin Prochloraz accounts for the 10-35% of described active component gross weight, and the weight of tricyclazole accounts for the 30-70% of described active component gross weight.
Preferably, the weight of oxime bacterium Tebuconazole accounts for the 20-35% of described active component gross weight, and the weight of Fluoxastrobin Prochloraz accounts for the 20-35% of described active component gross weight, and the weight of tricyclazole accounts for the 30-60% of described active component gross weight.
Preferably, the weight of oxime bacterium Tebuconazole accounts for the 15-35% of described active component gross weight, and the weight of Fluoxastrobin Prochloraz accounts for the 20-35% of described active component gross weight, and the weight of tricyclazole accounts for the 30-65% of described active component gross weight.
Preferably, the weight of oxime bacterium Tebuconazole accounts for the 25-35% of described active component gross weight, and the weight of Fluoxastrobin Prochloraz accounts for the 25-35% of described active component gross weight, and the weight of tricyclazole accounts for the 30-50% of described active component gross weight.
Above-mentioned formula is suitable in the mixed use of field bucket, take full advantage of that oxime bacterium Tebuconazole, the prevention and therapy activity of Fluoxastrobin Prochloraz to false smut are high, tricyclazole is to panicle blast lasting period long complementary advantage, the efficient fringe phase disease such as prevention and therapy rice green smut and panicle blast of energy, significantly improve control efficiency, overcome the defect of single agent activity difference; Decrease field rotating medicine number of times, dosage and drug cost, reduce agricultural chemicals to the pollution of paddy environment.
Above-mentioned formula control in 5 ~ 7 days and paddy rice full heading time before paddy rice cut prevent and treat twice control, the mode of spraying is adopted to spray in paddy rice middle and upper part, and spray time controling before fine day 9 or after fine day 16, the fringe phase disease such as prevention and therapy rice green smut and panicle blast preferably.
Embodiment
embodiment 1: to the field control effectiveness test of the fringe such as rice green smut and panicle blast phase disease
75% oxime bacterium tebuconazole water dispersible granule is taken in active ingredient ratio, 30% Fluoxastrobin Prochloraz micro-dose of breast, 75% tricyclazole powder totally 50 grams, mix and be fully dissolved in 1 kg water, the water adding 29 kilograms after stirring again stirs, the field bucket of the fringe phase diseases such as the prevention and therapy rice green smut of final formation 30 kilograms and panicle blast mixes liquid, test on September 3rd, 2014 and September 12 the Taihu Lake of lotus throne village of Qiu Jiang office to fringe phase diseases such as susceptible rice green smut and panicle blasts, Guichi District of Chizhou City, Anhui Province is glutinous, contrast medicament is 75% oxime bacterium tebuconazole water dispersible granule, 30% Fluoxastrobin Prochloraz microemulsion, 75% tricyclazole powder, before paddy rice cut during 5 ~ 7 days neat fringes whole in paddy rice, adopt knapsack sprayer 16 methods of later carrying out the spraying of full field in the afternoon, spray at Rice Panicle.Field adopts three repetitions, 15 days investigation panicle blast preventive effects after medicine, and 25 days investigation false smut preventive effects after medicine, result is in table 1.
table 1: the field bucket of the fringe phase diseases such as a kind of prevention and therapy rice green smut and panicle blast mixes result of the test table
note: A is 75% oxime bacterium tebuconazole water dispersible granule; B is 30% Fluoxastrobin Prochloraz microemulsion; C is 75% tricyclazole powder.The actual amount of its correspondence of A:B:C=20:10:70 is 10g:5ml:35g, the actual amount of its correspondence of A:B:C=20:30:50 is 10g:15ml:25g, the actual amount of its correspondence of A:B:C=25:25:50 is the actual amount of its correspondence of 12.5g:12.5ml:25g, A:B:C=30:30:40 is 15g:15ml:20g
15 days and investigation in 25 days after medicine, field efficacy result shows, this field bucket mixes synergy medicament and has excellent prevention and therapy effect to the fringe such as rice green smut and panicle blast phase disease, and preventive effect all reaches more than 85%, and control efficiency pole is significantly better than the effect of single product.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of application claims.
Claims (8)
1. the field bucket for the fringe such as rice green smut and panicle blast phase disease mixes a pesticide synergistic formula, is mixed, it is characterized in that by three kinds of pesticidal preparations, and the active component of described three kinds of pesticidal preparations is respectively oxime bacterium Tebuconazole, Fluoxastrobin Prochloraz, tricyclazole; The weight of oxime bacterium Tebuconazole accounts for the 10-35% of active component gross weight, and the weight of Fluoxastrobin Prochloraz accounts for the 10-35% of active component gross weight, and the weight of tricyclazole accounts for the 30-80% of active component gross weight; Described active component gross weight is the weight sum of oxime bacterium Tebuconazole, Fluoxastrobin Prochloraz, tricyclazole three.
2. a kind of field bucket for the fringe such as rice green smut and panicle blast phase disease mixes pesticide synergistic formula according to claim 1, it is characterized in that, active component is the pesticidal preparations formulation of oxime bacterium Tebuconazole is water dispersible granules; Active component is the pesticidal preparations formulation of Fluoxastrobin Prochloraz is microemulsion; Active component is the pesticidal preparations formulation of tricyclazole is wetting powder.
3. mix pesticide synergistic formula according to the field bucket for the fringe such as rice green smut and panicle blast phase disease a kind of described in claim 1, it is characterized in that, the weight of oxime bacterium Tebuconazole accounts for the 20-35% of described active component gross weight, the weight of Fluoxastrobin Prochloraz accounts for the 10-35% of described active component gross weight, and the weight of tricyclazole accounts for the 30-70% of described active component gross weight.
4. mix pesticide synergistic formula according to the field bucket for the fringe such as rice green smut and panicle blast phase disease a kind of described in claim 1, it is characterized in that, the weight of oxime bacterium Tebuconazole accounts for the 20-35% of described active component gross weight, the weight of Fluoxastrobin Prochloraz accounts for the 20-35% of described active component gross weight, and the weight of tricyclazole accounts for the 30-60% of described active component gross weight.
5. mix pesticide synergistic formula according to the field bucket for the fringe such as rice green smut and panicle blast phase disease a kind of described in claim 1, it is characterized in that, the weight of oxime bacterium Tebuconazole accounts for the 15-35% of described active component gross weight, the weight of Fluoxastrobin Prochloraz accounts for the 20-35% of described active component gross weight, and the weight of tricyclazole accounts for the 30-65% of described active component gross weight.
6. mix pesticide synergistic formula according to the field bucket for the fringe such as rice green smut and panicle blast phase disease a kind of described in claim 1, it is characterized in that, the weight of oxime bacterium Tebuconazole accounts for the 25-35% of described active component gross weight, the weight of Fluoxastrobin Prochloraz accounts for the 25-35% of described active component gross weight, and the weight of tricyclazole accounts for the 30-50% of described active component gross weight.
7. as described in any one of claim 1 to 7, a kind of field bucket for the fringe such as rice green smut and panicle blast phase disease mixes the purposes of pesticide synergistic formula for prevention and therapy disease.
8. the field bucket of the fringe phase disease such as prevention and therapy rice green smut and panicle blast mixes a spraying method for pesticide synergistic formula, it is characterized in that, comprises the steps:
Step one, control in 5 ~ 7 days before paddy rice cut, the field bucket of the fringe phase diseases such as prevention and therapy rice green smut and panicle blast being mixed pesticide synergistic formula adopts the mode of spraying to spray in paddy rice middle and upper part, and sprays time controling before fine day 9 or after fine day 16;
Step 2, paddy rice full heading time is prevented and treated, and the field bucket of the fringe phase diseases such as prevention and therapy rice green smut and panicle blast is mixed pesticide synergistic formula and adopts the mode of spraying to spray in paddy rice middle and upper part, and spray time controling before fine day 9 or after fine day 16.
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| CN201510009764.1A CN104472525B (en) | 2015-01-09 | 2015-01-09 | The mixed pesticide synergistic formula of a kind of field bucket for the fringe such as rice green smut and panicle blast phase disease and spraying method thereof |
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| CN201510009764.1A CN104472525B (en) | 2015-01-09 | 2015-01-09 | The mixed pesticide synergistic formula of a kind of field bucket for the fringe such as rice green smut and panicle blast phase disease and spraying method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111903692A (en) * | 2020-07-01 | 2020-11-10 | 江西省农业技术推广总站 | Method for preventing and treating japonica rice diseases |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006015865A1 (en) * | 2004-08-12 | 2006-02-16 | Syngenta Participations Ag | Fungicidal compositions |
| CN103348987A (en) * | 2013-07-31 | 2013-10-16 | 河北博嘉农业有限公司 | Film-spreading oil agent capable of preventing and curing rice banded sclerotial blight |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006015865A1 (en) * | 2004-08-12 | 2006-02-16 | Syngenta Participations Ag | Fungicidal compositions |
| CN103348987A (en) * | 2013-07-31 | 2013-10-16 | 河北博嘉农业有限公司 | Film-spreading oil agent capable of preventing and curing rice banded sclerotial blight |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111903692A (en) * | 2020-07-01 | 2020-11-10 | 江西省农业技术推广总站 | Method for preventing and treating japonica rice diseases |
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