CN104472525B - 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 - Google Patents
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 Download PDFInfo
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Abstract
The present invention relates to 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, mixed by three kinds of pesticidal preparations, the active component of 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; Active component gross weight is oxime bacterium Tebuconazole, Fluoxastrobin Prochloraz, tricyclazole three's weight sum. On spraying method, first 5 ~ 7 days, full heading time prevent and treat twice step to carry out cut. The present invention is suitable in the mixed use of field bucket, take full advantage of the prevention to false smut of oxime bacterium Tebuconazole, Fluoxastrobin Prochloraz and the complementary advantage that therapeutic activity is high, tricyclazole was grown the panicle blast lasting period, can efficiently prevent and treat the fringe such as rice green smut and panicle blast phase disease, significantly improve prevention effect, overcome the defect of single medicament poor activity; Reduce field rotating medicine number of times, dosage and drug cost, reduced the pollution of agricultural chemicals to paddy environment.
Description
Technical field
The present invention relates to 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, especially contain the mixed pesticide synergistic formula of field bucket of oxime bacterium Tebuconazole, Fluoxastrobin Prochloraz, three kinds of active components of tricyclazole, and twice control carried out in 5 ~ 7 days, full heading time before paddy rice cut. 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 insecticide-applying way is transformed into Multiple Pesticides preparation is used after the on-the-spot bucket in field mixes by original single pharmacy application simultaneously. But the mixed randomness that exists of bucket at scene, field, is theoretically unsound, and easily occurs following problem: show as the even antagonism of stack of drug effect after (1) some medicament barrel is mixed, drug effect is reduced, cause 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 variation of bucket, easily causes the generation of poisoning compared with original unitary agent.
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, paddy rice is easy to occur panicle blast. Particularly a run of wet weather, sunshine is not enough, time rain when fine, sooner or later have cloud and mist and dew condition to descend, state of an illness expansion is rapidly. After catching an illness, form at first water stain shape chlorisis scab, last blackening brown, panicle neck necrosis, the nutrient passage that plant is transported to fringe portion is blocked, thereby forms dead ears or flat grain, cause not plump paddy increase, mass of 1000 kernel to reduce, the general underproduction 10% ~ 30%, even has no harvest when serious. In conjunction with the various factors of the sick generation harm of panicle blast, the sick control of panicle blast is except selecting disease-resistant variety, seed disinfection, reinforcement field liquid manure management on producing, and outside growth promotion stalwartness is disease-resistant, medicament prevention and treatment are major measure.
False smut is one of Common Diseases of paddy rice, and 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 affect very large on disease generation weight. Rice Heading blooming stage, as continuous rainfall weather, will be conducive to infecting and breeding of germ, and disease will occur heavy. Field humidity is large, occurs heavier in the situation that dew is heavy and the morning, dew was done late. 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, the imbalance of rice strain carbon-nitrogen ratio, and resistance declines, and easily morbidity and degree increase the weight of. False smut control is except selecting disease-resistant variety, seed disinfection, reinforcement field liquid manure management on producing, and outside growth promotion stalwartness is disease-resistant, medicament prevention and treatment are major measure.
Rice field booting not the phase to the cut phase, the overlapping generation of the fringe such as rice green smut and panicle blast phase disease, study 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, use being beneficial to the raising of pesticide efficacy and the decrement of agricultural chemicals.
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 funguses, biologically active is high, and preventive effect is good, and the lasting period is long, and effect stability; Outstanding system conductibility, have good 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 by suppressing the biosynthesis of sterol and then have influence on cell permeability to play bactericidal action; after two kinds of different bactericide of the mechanism of action are worked in coordination; nearly all Mycophytes disease is there is 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 be absorbed by the each position of paddy rice rapidly, bactericidal action mechanism is mainly to suppress to adhere to the melanic formation of spore, thereby suppresses spore germination and adhere to spore to form, and stops germ to invade people and the generation that reduces magnaporthe grisea spore, and the lasting period is long, efficacy stability.
Summary of the invention
The goal of the invention that the present invention will realize is: overcome the problem that prior art exists, 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 are provided, can strengthen drug effect, 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, three kinds of pesticidal preparations of tricyclazole from Multiple Pesticides preparation, in field, on-the-spot bucket is mixed 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 bucket mixed after the stability of preparation; On the basis of above-mentioned research, applicant further studies from spraying method, ensures the good preventive effect of the mixed rear preparation of bucket 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:
For the mixed pesticide synergistic formula of field bucket of the fringe such as rice green smut and panicle blast phase disease, mixed by three kinds of pesticidal preparations, it is characterized in that, 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 oxime bacterium Tebuconazole, Fluoxastrobin Prochloraz, tricyclazole three's weight sum.
The present invention further perfect technical scheme is: active component is that the pesticidal preparations formulation of oxime bacterium Tebuconazole is water dispersible granules; Active component is that the pesticidal preparations formulation of Fluoxastrobin Prochloraz is microemulsion; Active component is that the pesticidal preparations formulation of tricyclazole is wettable powder.
Adopt above-mentioned formulation combination can ensure the stability of the mixed rear preparation of bucket, thereby avoid occurring poisoning.
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 the prevention to false smut of oxime bacterium Tebuconazole, Fluoxastrobin Prochloraz and the complementary advantage that therapeutic activity is high, tricyclazole was grown the panicle blast lasting period, can efficiently prevent and treat the fringe such as rice green smut and panicle blast phase disease, significantly improve prevention effect, overcome the defect of single medicament poor activity; Reduce field rotating medicine number of times, dosage and drug cost, reduced the pollution of agricultural chemicals to paddy environment.
Above-mentioned formula prevents and treats for 5 ~ 7 days before paddy rice cut and paddy rice full heading time is prevented and treated twice control, adopt the mode of spraying to spray in paddy rice middle and upper part, and the time of spraying be controlled at 9 of fine days before or after 16 of fine days, prevent preferably and treat the fringe such as rice green smut and panicle blast phase disease.
Detailed description of the invention
Embodiment 1: to the field control effectiveness test of the fringe such as rice green smut and panicle blast phase disease
Take 75% oxime bacterium tebuconazole water dispersible granule in active ingredient ratio, micro-dose of breast of 30% Fluoxastrobin Prochloraz, totally 50 grams of 75% tricyclazole powders, mix and be fully dissolved in 1 kg water, the water that adds again 29 kilograms after stirring stirs, the mixed liquid of field bucket of the final fringe phase disease such as prevention and treatment rice green smut and panicle blast that forms 30 kilograms, in on September 3rd, 2014 and September 12 in lotus throne village of Qiu Jiang office, Guichi District of Chizhou City, Anhui Province glutinous test the in Taihu Lake to fringe phase diseases such as susceptible rice green smut and panicle blasts, contrast medicament is 75% oxime bacterium tebuconazole water dispersible granule, 30% Fluoxastrobin Prochloraz microemulsion, 75% tricyclazole powder, before paddy rice cut when all neat fringe of 5 ~ 7 days and 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 repeats for three times, 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 mixed result of the test table of field bucket of the fringe phase diseases such as a kind of prevention and treatment rice green smut and panicle blast
Note: A is 75% oxime bacterium tebuconazole water dispersible granule; B is 30% Fluoxastrobin Prochloraz microemulsion; C is 75% tricyclazole powder. Its corresponding actual amount of A:B:C=20:10:70 is 10g:5ml:35g, its corresponding actual amount of A:B:C=20:30:50 is 10g:15ml:25g, its corresponding actual amount of A:B:C=25:25:50 is 12.5g:12.5ml:25g, and its corresponding actual amount of A:B:C=30:30:40 is 15g:15ml:20g
15 days and 25 days investigation after medicine, field efficacy result shows, and the mixed synergy medicament of this field bucket has good prevention and result for the treatment of to the fringe such as rice green smut and panicle blast phase disease, and preventive effect all reaches more than 85%, and the prevention effect utmost point 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 requirement of the present invention.
Claims (8)
1. for the mixed pesticide synergistic formula of field bucket of rice green smut and panicle blast, mixed by three kinds of pesticidal preparations, it is characterized in that, 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 oxime bacterium Tebuconazole, Fluoxastrobin Prochloraz, tricyclazole three's weight sum.
2. a kind of field bucket for rice green smut and panicle blast mixes pesticide synergistic formula according to claim 1, it is characterized in that, active component is that the pesticidal preparations formulation of oxime bacterium Tebuconazole is water dispersible granules; Active component is that the pesticidal preparations formulation of Fluoxastrobin Prochloraz is microemulsion; Active component is that the pesticidal preparations formulation of tricyclazole is wettable powder.
3. a kind of field bucket for rice green smut and panicle blast mixes pesticide synergistic formula according to 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. a kind of field bucket for rice green smut and panicle blast mixes pesticide synergistic formula according to 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. a kind of field bucket for rice green smut and panicle blast mixes pesticide synergistic formula according to 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. a kind of field bucket for rice green smut and panicle blast mixes pesticide synergistic formula according to 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 claim 1 to 6 any one, a kind of field bucket for rice green smut and panicle blast mixes pesticide synergistic formula for preventing and treat the purposes of disease.
8. a spraying method for the mixed pesticide synergistic formula of the field bucket of prevention and treatment rice green smut and panicle blast, is characterized in that, comprises the steps:
Step 1, the control of first 5 ~ 7 days of paddy rice cut, adopts the mode of spraying to spray in paddy rice middle and upper part mixed the field bucket of prevention and treatment rice green smut and panicle blast pesticide synergistic formula, and the time that sprays be controlled at 9 of fine days before or after 16 of fine days;
Step 2, paddy rice full heading time control, adopts the mode of spraying to spray in paddy rice middle and upper part mixed the field bucket of prevention and treatment rice green smut and panicle blast pesticide synergistic formula, and the time that sprays be controlled at 9 of fine days before or after 16 of fine days.
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| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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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