CN104521969A - Field barrel-mixing pesticide synergism formula for ustilaginoidea virens and neck blast of rice and spraying method of formula - Google Patents
Field barrel-mixing pesticide synergism formula for ustilaginoidea virens and neck blast of rice and spraying method of formula Download PDFInfo
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- CN104521969A CN104521969A CN201510009843.2A CN201510009843A CN104521969A CN 104521969 A CN104521969 A CN 104521969A CN 201510009843 A CN201510009843 A CN 201510009843A CN 104521969 A CN104521969 A CN 104521969A
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Abstract
The invention relates to a field barrel-mixing pesticide synergism formula for ustilaginoidea virens and neck blast of rice and a spraying method of the formula. The formula is formed by mixing three types of pesticide preparations, active ingredients of the three pesticide preparations are trifloxystrobin.tebuconazole, benzyl.azoxystrobin and isoprothiolane respectigvely, the weight of the trifloxystrobin.tebuconazole accounts for 10%-35% of the total weight of the active ingredients, the weight of the benzyl.azoxystrobin accounts for 10%-35% of the total weight of the active ingredients, and the weight of the isoprothiolane accounts for 30%-80% of the total weight of the active ingredients. The total weight of the active ingredients is the sum of the weights of the trifloxystrobin.tebuconazole, the benzyl.azoxystrobin and the isoprothiolane. The spraying method comprises the two steps of prevention and treatment in the full heading stage five to seven days before rice breakage period. The field barrel-mixing pesticide synergism formula for the ustilaginoidea virens and the neck blast of the rice and the spraying method of the formula are suitable for being used in a field in a barrel-mixing manner, fully utilize the complementary advantages that the trifloxystrobin.tebuconazole and the benzyl.azoxystrobin have high prevention and treatment activity for the ustilaginoidea virens and the isoprothiolane has long persistence to the neck blast, can efficiently prevent and treat the ustilaginoidea virens and the neck blast of the rice, remarkably improve the prevention and treatment effect, overcome the defect that a single preparation is poor in activity, reduce the field pesticide application frequency, the pesticide dosage and the pesticide using cost, and reduce the pollution of pesticide to the rice field environment.
Description
Technical field
The field bucket that the present invention relates to for rice green smut and panicle blast mixes pesticide synergistic formula and spraying method thereof, especially the field bucket containing oxime bacterium Tebuconazole, benzene first Fluoxastrobin, Isoprothiolane 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.
Benzene first Fluoxastrobin belongs to wide spectrum methoxy acrylic bactericide, all has good preventive effect to nearly all mycota disease as banded sclerotial blight, glume blight, false smut, rice blast etc., and have sterilization protection double effects, its bactericidal range is extremely wide.Under being specially adapted to bad climate condition, the disease emergence period use.Result for the treatment of is good, the lasting period is long and to crop safety, improve Yield and qualities.
Isoprothiolane is systemic fungicide, has special efficacy to rice blast, and rice plant can suppress germ intrusion, especially inhibit phosphide METH transferase after absorbing, thus suppresses pathogen growth, plays preventive and therapeutic action.
Summary of the invention
The goal of the invention that the present invention will realize is: overcome prior art Problems existing, provides the field bucket for rice green smut and panicle blast to mix pesticide synergistic formula and spraying method thereof, can strengthen drug effect, improves preventive effect, is conducive to pesticide reduction and uses.
The technology of the present invention design is as follows: study through systematicness test, applicant filters out oxime bacterium Tebuconazole, benzene first Fluoxastrobin, Isoprothiolane 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 rice green smut and panicle blast 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 rice green smut and panicle blast disease.
For achieving the above object, technical scheme of the present invention is as follows:
Field bucket for rice green smut and panicle blast 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, benzene first Fluoxastrobin, Isoprothiolane; After mixing, the weight of oxime bacterium Tebuconazole accounts for the 10-35% of described active component gross weight, and the weight of benzene first Fluoxastrobin accounts for the 10-35% of described active component gross weight, and the weight of Isoprothiolane accounts for the 30-80% of described active component gross weight; Described active component gross weight is the weight sum of oxime bacterium Tebuconazole, benzene first Fluoxastrobin, Isoprothiolane 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 benzene first Fluoxastrobin is suspending agent; Active component is the pesticidal preparations formulation of Isoprothiolane is missible oil.
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 benzene first Fluoxastrobin accounts for the 10-35% of described active component gross weight, and the weight of Isoprothiolane 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 benzene first Fluoxastrobin accounts for the 20-35% of described active component gross weight, and the weight of Isoprothiolane 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 benzene first Fluoxastrobin accounts for the 20-35% of described active component gross weight, and the weight of Isoprothiolane 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 benzene first Fluoxastrobin accounts for the 25-35% of described active component gross weight, and the weight of Isoprothiolane 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 benzene first Fluoxastrobin to false smut are high, Isoprothiolane is to panicle blast lasting period long complementary advantage, the efficient prevention and therapy rice green smut of energy and panicle blast, 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, 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, 32.5% benzene first Fluoxastrobin suspending agent, 40% Isoprothiolane missible oil totally 50 grams, mix and be fully dissolved in 1 kg water, the water adding 29 kilograms after stirring again stirs, the prevention and therapy rice green smut of final formation 30 kilograms and the field bucket of panicle blast mix liquid, test the Taihu Lake of susceptible rice green smut and panicle blast disease is glutinous on September 3rd, 2014 and September 12 in lotus throne village of Qiu Jiang office, Guichi District of Chizhou City, Anhui Province, contrast medicament is 75% oxime bacterium tebuconazole water dispersible granule, 32.5% benzene first Fluoxastrobin suspending agent, 40% Isoprothiolane missible oil, 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 32.5% benzene first Fluoxastrobin suspending agent; C is 40% Isoprothiolane missible oil.The actual amount of its correspondence of A:B:C=20:10:70 is 10g:5ml:35ml, the actual amount of its correspondence of A:B:C=20:30:50 is 10g:15ml:25ml, 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:25ml, A:B:C=30:30:40 is 15g:15ml:20ml.
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 rice green smut and panicle blast disease, and preventive effect all reaches more than 86%, and control efficiency pole is significantly better than the effect of single product.
Claims (8)
1. the field bucket for rice green smut and panicle blast 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, benzene first Fluoxastrobin, Isoprothiolane; The weight of oxime bacterium Tebuconazole accounts for the 10-35% of active component gross weight, and the weight of benzene first Fluoxastrobin accounts for the 10-35% of active component gross weight, and the weight of Isoprothiolane accounts for the 30-80% of active component gross weight; Described active component gross weight is the weight sum of oxime bacterium Tebuconazole, benzene first Fluoxastrobin, Isoprothiolane three.
2. mix pesticide synergistic formula for the field bucket of rice green smut and panicle blast 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 benzene first Fluoxastrobin is suspending agent; Active component is the pesticidal preparations formulation of Isoprothiolane is missible oil.
3. mix pesticide synergistic formula according to described in claim 1 for the field bucket of rice green smut and panicle blast, 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 benzene first Fluoxastrobin accounts for the 10-35% of described active component gross weight, and the weight of Isoprothiolane accounts for the 30-70% of described active component gross weight.
4. mix pesticide synergistic formula according to described in claim 1 for the field bucket of rice green smut and panicle blast, 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 benzene first Fluoxastrobin accounts for the 20-35% of described active component gross weight, and the weight of Isoprothiolane accounts for the 30-60% of described active component gross weight.
5. mix pesticide synergistic formula according to described in claim 1 for the field bucket of rice green smut and panicle blast, 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 benzene first Fluoxastrobin accounts for the 20-35% of described active component gross weight, and the weight of Isoprothiolane accounts for the 30-65% of described active component gross weight.
6. mix pesticide synergistic formula according to described in claim 1 for the field bucket of rice green smut and panicle blast, 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 benzene first Fluoxastrobin accounts for the 25-35% of described active component gross weight, and the weight of Isoprothiolane accounts for the 30-50% of described active component gross weight.
7. as described in any one of claim 1 to 7, mix the purposes of pesticide synergistic formula for prevention and therapy disease for the field bucket of rice green smut and panicle blast.
8. the field bucket of prevention and therapy rice green smut and panicle blast mixes the spraying method of pesticide synergistic formula, it is characterized in that, comprises the steps:
Step one, control in 5 ~ 7 days before paddy rice cut, mixes 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 by the field bucket of prevention and therapy rice green smut and panicle blast;
Step 2, paddy rice full heading time is prevented and treated, and the field bucket of 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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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510009843.2A CN104521969A (en) | 2015-01-09 | 2015-01-09 | Field barrel-mixing pesticide synergism formula for ustilaginoidea virens and neck blast of rice and spraying method of formula |
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| CN201510009843.2A CN104521969A (en) | 2015-01-09 | 2015-01-09 | Field barrel-mixing pesticide synergism formula for ustilaginoidea virens and neck blast of rice and spraying method of formula |
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Citations (6)
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| CN101518257A (en) * | 2009-04-10 | 2009-09-02 | 利尔化学股份有限公司 | Bactericidal pesticide composition |
| CN101530077A (en) * | 2008-03-14 | 2009-09-16 | 北京绿色农华植保科技有限责任公司 | Mixed micro-emulsion of azoxystrobin and difenoconazole and preparation method thereof |
| CN103766350A (en) * | 2014-01-21 | 2014-05-07 | 浙江泰达作物科技有限公司 | Bactericidal composition containing trifloxystrobin and tebuconazole |
| CN103787779A (en) * | 2014-02-24 | 2014-05-14 | 姚卫平 | Field tank-mixed synergistic drug fertilizer for preventing and treating rice spike neck blast and spraying method thereof |
| CN103798249A (en) * | 2014-02-24 | 2014-05-21 | 姚卫平 | Field tank mix synergistic pesticide fertilizer for preventing and curing neck rot diseases of rice ears and spraying method thereof |
| CN103798246A (en) * | 2014-01-26 | 2014-05-21 | 上海艳紫化工科技有限公司 | Pesticide suspension concentrate compounding difenoconazole and azoxystrobin |
-
2015
- 2015-01-09 CN CN201510009843.2A patent/CN104521969A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101530077A (en) * | 2008-03-14 | 2009-09-16 | 北京绿色农华植保科技有限责任公司 | Mixed micro-emulsion of azoxystrobin and difenoconazole and preparation method thereof |
| CN101518257A (en) * | 2009-04-10 | 2009-09-02 | 利尔化学股份有限公司 | Bactericidal pesticide composition |
| CN103766350A (en) * | 2014-01-21 | 2014-05-07 | 浙江泰达作物科技有限公司 | Bactericidal composition containing trifloxystrobin and tebuconazole |
| CN103798246A (en) * | 2014-01-26 | 2014-05-21 | 上海艳紫化工科技有限公司 | Pesticide suspension concentrate compounding difenoconazole and azoxystrobin |
| CN103787779A (en) * | 2014-02-24 | 2014-05-14 | 姚卫平 | Field tank-mixed synergistic drug fertilizer for preventing and treating rice spike neck blast and spraying method thereof |
| CN103798249A (en) * | 2014-02-24 | 2014-05-21 | 姚卫平 | Field tank mix synergistic pesticide fertilizer for preventing and curing neck rot diseases of rice ears and spraying method thereof |
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Application publication date: 20150422 |