CN104839156A - Compound seed dressing agent for preventing and controlling peanut plant diseases and insect pests - Google Patents
Compound seed dressing agent for preventing and controlling peanut plant diseases and insect pests Download PDFInfo
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- CN104839156A CN104839156A CN201510180452.7A CN201510180452A CN104839156A CN 104839156 A CN104839156 A CN 104839156A CN 201510180452 A CN201510180452 A CN 201510180452A CN 104839156 A CN104839156 A CN 104839156A
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Abstract
The present invention relates to a compound seed dressing agent for preventing and controlling peanut plant diseases and insect pests, wherein the compound seed dressing agent is an aqueous solution containing 5-50 ppm gibberellin and 20-250 ppm flubendiamide, and can further be added with other components so as to achieve the special requirements, wherein the components comprise an auxiliary agent component for preparing the seed dressing agent, and/or other pesticide components, and the like. The preparation method comprises: weighing or taking the measured gibberellin, the measured flubendiamide and the measured water, wherein a mass ratio of the effective gibberellin content to the effective flubendiamide to the water is 5-50:20-250:1000000; and adding the gibberellin and the flubendiamide to water, and uniformly mixing for spare. The compound seed dressing agent of the present invention provides significant synergy effects for the peanut seedling emergence rate, the peanut disease resistance, and the peanut helicoverpa armigera hubner and prodenia litura prevention and control effect, is especially suitable for the own use of farmers, has characteristics of easy operation, simple component, cheap price, easy single household operation, real-time preparing and use, pesticide effectiveness maximizing, and easy large-area promotion.
Description
Technical field
The invention belongs to technical field of pesticide combination, be specifically related to a kind of composite seed dressing preventing and treating peanut damage by disease and insect.
Background technology
In recent years along with the adjustment of pattern of farming, peanut cultivation area constantly expands, and peanut damage by disease and insect has the trend risen year by year.Single grain fine sowing technology becomes in some peanut producing region the technology of promoting mainly, and peanut emerge entirely do not become limit this Technique Popularizing application a principal element.Current peanut seed is many is reserved seed for planting certainly by peasant, seldom buy in seeds company, and the peanut seed coat agent reported is because production cost is higher, complex process in the past, be applicable to seeds processing enterprise, be not suitable for the peanut Dressing of single household, and do not meet the now with the current principle of the upper medicament mixture of production.Therefore produce in use by oneself in the urgent need to a kind of peasant of being suitable for, easy and simple to handle, component is simple, low-cost peanut seed dressing.While peanut emerges in guarantee, strengthen peanut growth gesture, to conventional peanut sprout term disease and insect pest, there is certain defensive ability/resistance ability, reach cost-saving by seed dressing, the object of increasing both production and income.Existing seed coating medicine, particularly for the seed coating medicine of peanut seed, due to its component mixture relative poor, do not reach the optimum efficiency of mixed pesticide, particularly on promotion seed sprouting, sterilization, insect protected disease-proof functions, or it is too high or there is complicated operation to there is manufacturing cost, is unfavorable for the features such as peasant grasps, be unfavorable for producing spread.
There is synergistic effect and change with the change of proportioning in mixed pesticide.Plant hormone class medicament can the growth of stimulating plant, growth, metabolism, after the ratio utilizing it appropriate and insecticide mixture, certain synergistic effect can be shown to insecticidal effect, therefore can as insecticide synergist, as plants essential oil, hypertonic assistant etc.Grope the optimal proportion of itself and insecticide mixture, for the growth of guarantee plant health, improve Pesticide use efficiency, reduce pesticide volume, improve control efficiency extremely important.
Summary of the invention
The seed dressing of efficient, easy, can the be now with the current control peanut damage by disease and insect that technical problem to be solved by this invention is to provide that a kind of peasant of being applicable to uses by oneself, reaches synergy, doublely to control and the object of expanding prevention scope.
Preventing and treating a composite seed dressing for peanut damage by disease and insect, is the aqueous solution containing 5-50ppm gibberellin and 80-1000ppm fipronil bisamide.
Preferably, gibberellin concentration is 20-40ppm, and fipronil bisamide concentration is 160-250ppm.
Other component can also be added to realize particular/special requirement, as added the auxiliary components such as film forming agent, bleeding agent, warning colouration to prepare seed coat agent in described composite seed dressing.Described film forming agent is selected from one or more in shitosan, gum Arabic, starch, polyvinyl alcohol, chitin; Described bleeding agent is ethanol; Described warning colouration is pigment beautiful in colour, as red pigment.
Other pesticide composition can also be added to reach specific pesticide-germicide object, as ethiprole, fludioxonil, Metalaxyl-M, Difenoconazole, carbendazim, tmtd, Imidacloprid, Rynaxypyr, Tebuconazole etc. in described composite seed dressing.
The composite seed dressing of above-mentioned control peanut damage by disease and insect, preparation method is as follows: take or measure the gibberellin of doses, fipronil bisamide and water, and wherein gibberellin effective content, mass ratio between fipronil bisamide effective content and water are 5-50:80-1000:1000000; Gibberellin and fipronil bisamide are added to the water, mix for subsequent use.
When needs add other component needed for seed coat agent when auxiliary agent and/or other pesticide composition, conveniently technological means adds conventional amount used.
The present invention has groped gibberellin and fipronil bisamide two kinds of medicaments different mixture optimum proportioning in indoor and field to the control efficiency of peanut emergence rate, peanut disease resistance, peanut cotton bollworm and prodenia litura, and to the synergy of variable concentrations proportioning two kinds of medicaments, be added, subtract effect Effect study.The composite seed dressing obtained, the seed coat agent relative to reporting in the past:
(1) in emergence rate, pest control, effect is more obvious, and remarkable for the preventive effect of peanut emergence rate and general disease, while guarantee peanut is emerged, strengthens peanut growing way, has certain defensive ability/resistance ability to conventional peanut sprout term disease and insect pest.
(2) be suitable for peasant to use by oneself, easy and simple to handle, be convenient to single household's operation, can be now with the current, at utmost play the usefulness of agricultural chemicals, be beneficial to large-area popularization.
(3) have chosen gibberellin and fipronil bisamide two kinds of common medicaments, component be simple, low price, reach cost-saving, the object of increasing both production and income by seed dressing.
(4) without the need to adding in seed coat agent the conventional component such as film forming matter, stabilizing agent, binding agent, colouring agent, cost of material and production technology is greatly reduced, and without the interference of these auxiliary agents, can the drug effect of the more performance medicament of stability and high efficiency itself.
(5) composite seed dressing of the prior art is all adopt the composite effect reaching broad-spectrum sterilization desinsection of two or more active principle, and the present invention has groped the composite concentration of the best of gibberellin and fipronil bisamide, therefore these two kinds of medicaments are only used can to reach preventive effect to sprout term disease, for root rot, control efficiency reaches more than 10%, reaches 90.72% and 88.73% respectively to the control efficiency of cotton bollworm and prodenia litura.
Embodiment
Below in conjunction with specific embodiment, the present invention is further described.
Medicament is selected:
40% gibberellin solvable grain drug-WP (Shanghai Tongrui Biotechnology Co., Ltd. provides)
20% fipronil bisamide water dispersible granules-WG (Longdeng Chemical Co Ltd, Jiangsu provides)
Seed dressing is prepared:
40% gibberellin solvable grain drug is made into 5ppm, 10ppm, 20ppm, 30ppm, 40ppm, 50ppm aqueous solution: take 40% gibberellin solvable grain drug 12.5mg, 25mg, 50mg, 75mg, 100mg, 125mg respectively and be dissolved in 1kg water, actual effective content is respectively: 5mg, 10mg, 20mg, 30mg, 40mg, 50mg.
20% fipronil bisamide suspension drug is made into 80ppm, 160ppm, 250ppm, 500ppm, 1000ppm aqueous solution: take 20% fipronil bisamide suspension drug 0.4g, 0.8g, 1.25g, 2.5g, 5g respectively and be dissolved in 1kg water, and actual effective content is 0.08g, 0.16g, 0.25g, 0.5g, 1g.
Gibberellin and fipronil bisamide mixture: the medicine metering taking above-mentioned correspondence, mixing is dissolved in 1kg water.
Seed dressing uses and is divided into experimental group and control group, and experimental group is gibberellin and the fipronil bisamide mixture of variable concentrations, and control group establishes 3 groups, wherein CK1: clear water; CK2: the gibberellin single dose 30ppm aqueous solution; CK3: the fipronil bisamide single dose 160ppm aqueous solution.
Test and carry out respectively in indoor and field, peanut varieties used educates No. 22 for spending.
Experimental Method in Laboratory: seed dressing is prepared according to plan for, Kernel of Peanut is carefully chosen, without damage, without germinate, make every effort to size uniformity.Test is carried out in the culture dish of diameter 15 centimetres, every ware puts 15, seed, at the bottom of ware, cover each lay one blotting paper, pour the seed dressing prepared into full to ware, make every effort to every ware seed dressing consumption identical (principle allows seed dressing flood kind benevolence), soak and then outwell unnecessary seed dressing in 3 hours, build moisturizing and draw unnecessary seed dressing, the incubator moisturizing being placed in 25 DEG C is cultivated, repeat for three times, radicle length is added up after 5 days, radicle spills seed coat 3mm and is considered as germinateing, statistics germination rate (chitting piece number/total seed number * 100%), rotten rate (rotten seed number/total seed number * 100%).
Field trial method: seed dressing is prepared according to plan for, Kernel of Peanut shines, and carefully chooses, without damage, without germinate, make every effort to size uniformity, be placed in seed dressing container.Then poured into by the seed dressing prepared in seed dressing container, limit bevelling stirs peanut and fully stirs, till mixing thoroughly.Dry seed in the cool, seed coat see dry after by seasonal sowing in time.Peanut ridging plastic-film-covered cultivation, ridge height 10cm, wide 83cm, sowing duplicate rows, 2, every cave, density 8000 caves/mu.The soil, cultivation, rich water quality management etc. of each experimental plot are consistent, and conform to local agricultural production is actual.Grow fine during peanut growth,
Gather in the crops after fruit maturation.Test is established 9 process altogether, is repeated for 3 times, Gong27Ge community, plot area 66.6m
2, random district, each community group arranges, and aisle is established in minizone, and test is provided with protection row around.
Root rot preventive effect is added up: disclosed in the Institute for the Control of Agrochemicals of the Ministry of Agriculture,PRC's " agricultural chemicals field efficacy criterion one ", severity Scaling standard (table 1) and control efficiency computing formula calculate.Peanut is emerged, and a situation arises for latter 10 days investigation root rot, and random 10 samplings in every community, often locate 2 caves, 4 strains, investigate 40 strains.Carry out according to following grade scale.
Table 1 severity Scaling standard
Cotton bollworm preventive effect is added up: to mix after medicine 60 days, every community selects 50 strain peanuts investigation cotton boll borer populations at random, finally
Prodenia litura preventive effect is added up: to mix after medicine 60 days, every community selects 50 strain peanuts investigation prodenia litura numbers at random, finally
Safety after what table 2 and table 3 showed be variable concentrations gibberellin and fipronil bisamide mixture and preventive effect evaluating data, by DPS treatment system process data, Multiple range test employing Duncan duncan's new multiple range method.Upper and lower case letter represents 1% and 5% level of difference respectively.As can be seen from Table 2:
Safety evaluatio: from rotten rate, except mixture preparation 50ppm gibberellin+160ppm fipronil bisamide and CK3 fipronil bisamide 160ppm single dose, other process is all safe; From germination rate, except mixture preparation 40ppm gibberellin+160ppm fipronil bisamide, 50ppm gibberellin+160ppm fipronil bisamide and CK3 fipronil bisamide 160ppm single dose, all process are emerged on peanut and are not affected, and safety is available.Can find out, fipronil bisamide 160ppm single dose is only used to there is the problem of rotten and reduction germination rate, and with after this concentration fipronil bisamide and 5ppm, 10ppm, 20ppm or 30ppm gibberellin mixture, well solving this problem, germination rate reaches 100% and without bad root phenomenon.
Growth-promoting is evaluated: from radicle length, mixture preparation 30ppm gibberellin+160ppm fipronil bisamide (length 0.81cm) has obvious rooting promoting to peanut, and is significantly better than contrast CK1 (length 0.75cm), CK2 (length 0.79cm) and CK3 (length 0.72cm).Mutually promote after both explanations mixture, achieve the effect more excellent than the superposition of simple drug effect.
Root rot preventive effect: have all combinations of gibberellin composition to have certain preventive effect to root rot, be significantly higher than clear water contrast CK1 (preventive effect 0%) and fipronil bisamide single dose CK3 (preventive effect 1.56%), wherein, preventive effect (9.8%) when mixture preparation 30ppm gibberellin+160ppm fipronil bisamide (preventive effect 10.35%) is significantly higher than CK2 alone 30ppm gibberellin.Mutually promote after both explanations mixture, achieve the effect more excellent than the superposition of simple drug effect.
Cotton bollworm preventive effect: have all combinations of fipronil bisamide composition to have certain preventive effect to cotton bollworm, be significantly higher than clear water contrast CK1 (preventive effect 0%) and gibberellin single dose CK2 (preventive effect 0.72%), wherein, preventive effect (84.8%) when mixture preparation 30ppm gibberellin+160ppm fipronil bisamide (preventive effect 89.94%), 40ppm gibberellin+160ppm (preventive effect 90.72%) are significantly higher than CK3 alone 160ppm fipronil bisamide.Mutually promote after both explanations mixture, achieve the effect more excellent than the superposition of simple drug effect.
Prodenia litura preventive effect: have all combinations of fipronil bisamide composition to have certain preventive effect to prodenia litura, be significantly higher than clear water contrast CK1 (preventive effect 0%) and gibberellin single dose CK2 (preventive effect 1.2%), wherein, preventive effect (85.16%) when mixture preparation 20ppm gibberellin+160ppm fipronil bisamide (preventive effect 86.5%), 30ppm gibberellin+160ppm (preventive effect 88.73%), 40ppm gibberellin+160ppm (preventive effect 88.67%) are significantly higher than CK3 alone 160ppm fipronil bisamide.Mutually promote after both explanations mixture, achieve the effect more excellent than the superposition of simple drug effect.
The safety of table 2 variable concentrations gibberellin and 160ppm fipronil bisamide mixture and control efficiency evaluation
As can be seen from Table 3:
Safety analysis: from rotten rate, only mixture preparation 30ppm gibberellin+80ppm fipronil bisamide and CK2 gibberellin single dose are to root not damaged, and other experimental group and control group have damage in various degree to root; From germination rate, control group, a little less than some experimental group, can be found out, when only using fipronil bisamide single dose, can affect percentage of seedgermination and cause certain bad root phenomenon; And when by gibberellin and fipronil bisamide mixture, not only increase germination rate, also solve the rotten problem being used alone fipronil bisamide and causing.
Growth-promoting is evaluated: from radicle length, mixture preparation 30ppm gibberellin+160ppm fipronil bisamide (length 0.84cm) combination is significantly higher than three groups of contrasts CK1 (length 0.76cm), CK2 (length 0.8cm), CK3 (length 0.76cm), mutually promote after both explanations mixture, achieve the effect more excellent than the superposition of simple drug effect.
Root rot preventive effect: have all combinations of gibberellin composition to have certain preventive effect to root rot, be significantly higher than clear water contrast CK1 (preventive effect 0%) and fipronil bisamide single dose CK3 (preventive effect 1.32%), wherein, preventive effect (8.42%) when mixture preparation 30ppm gibberellin+160ppm fipronil bisamide (preventive effect 9.92%) is significantly higher than alone 30ppm gibberellin.Mutually promote after both explanations mixture, achieve the effect more excellent than the superposition of simple drug effect.
Cotton bollworm preventive effect: have all combinations of fipronil bisamide composition to have certain preventive effect to cotton bollworm, be significantly higher than clear water contrast CK1 (preventive effect 0%) and gibberellin single dose CK2 (preventive effect 0.01%), wherein, preventive effect (84.21%) when mixture preparation 30ppm gibberellin+160ppm fipronil bisamide (preventive effect 89.2%), 30ppm gibberellin+250ppm fipronil bisamide (preventive effect 88.03%) combination are significantly higher than CK3 alone 160ppm fipronil bisamide.Mutually promote after both explanations mixture, achieve the effect more excellent than the superposition of simple drug effect.
Prodenia litura preventive effect: have all combinations of fipronil bisamide composition to have certain preventive effect to prodenia litura, be significantly higher than clear water contrast CK1 (preventive effect 0%) and gibberellin single dose CK2 (preventive effect 1.2%), wherein, preventive effect (84.35%) when mixture preparation 30ppm gibberellin+250ppm (preventive effect 86.73%), 30ppm gibberellin+500ppm (preventive effect 86.43%) and 30ppm gibberellin+1000ppm (preventive effect 85.43%) are significantly higher than CK3 alone 160ppm fipronil bisamide.Mutually promote after both explanations mixture, achieve the effect more excellent than the superposition of simple drug effect.
Inferred by above test data, when adopting 20ppm gibberellin+160ppm fipronil bisamide, 30ppm gibberellin+160ppm fipronil bisamide, 40ppm gibberellin+160ppm fipronil bisamide, 30ppm gibberellin+250ppm fipronil bisamide mixture, safety and control efficiency the best.And by preventive effect data, when this ratio mixture effect is used alone than same dose single dose, Be very effective increases, and namely achieves the control efficiency of " 1+1>2 ".
The safety of table 3 variable concentrations fipronil bisamide and 30ppm gibberellin mixture and control efficiency evaluation
Claims (8)
1. prevent and treat a composite seed dressing for peanut damage by disease and insect, it is characterized in that, seed dressing is the aqueous solution containing 5-50ppm gibberellin and 80-1000ppm fipronil bisamide.
2. the composite seed dressing of control peanut damage by disease and insect according to claim 1, is characterized in that, gibberellin concentration is 20-40ppm, and fipronil bisamide concentration is 160-250ppm.
3. the composite seed dressing of control peanut damage by disease and insect according to claim 1 and 2, is characterized in that, also containing the auxiliary component of preparation needed for seed coat agent in described composite seed dressing.
4. the composite seed dressing of control peanut damage by disease and insect according to claim 3, is characterized in that, described auxiliary component is one or more in film forming agent, bleeding agent, warning colouration.
5. the composite seed dressing of control peanut damage by disease and insect according to claim 4, it is characterized in that, described film forming agent is selected from one or more in shitosan, gum Arabic, starch, polyvinyl alcohol, chitin; Described bleeding agent is ethanol; Described warning colouration is pigment beautiful in colour.
6. the composite seed dressing of control peanut damage by disease and insect according to claim 1 and 2, is characterized in that, also containing other pesticide composition in described composite seed dressing.
7. the composite seed dressing of control peanut damage by disease and insect according to claim 6, it is characterized in that, described pesticide composition is one or more in ethiprole, fludioxonil, Metalaxyl-M, Difenoconazole, carbendazim, tmtd, Rynaxypyr, Tebuconazole.
8. prevent and treat the preparation method of the composite seed dressing of peanut damage by disease and insect for one kind, it is characterized in that, step is as follows: take or measure the gibberellin of doses, fipronil bisamide and water, and wherein gibberellin effective content, mass ratio between fipronil bisamide effective content and water are 5-50:40-500:1000000; Gibberellin and fipronil bisamide are added to the water, mix for subsequent use.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105766981A (en) * | 2016-04-29 | 2016-07-20 | 山东胜伟园林科技有限公司 | Botanical biological seed dressing agent and preparation method thereof |
| CN108243891A (en) * | 2018-04-17 | 2018-07-06 | 广西壮族自治区农业科学院经济作物研究所 | A kind of disease-resistant peanut cultivation method |
| CN108684744A (en) * | 2018-07-11 | 2018-10-23 | 合肥雪立歆农业科技有限公司 | A kind of peanut seed coating agent and its coating method |
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| EP2839744A1 (en) * | 2013-08-23 | 2015-02-25 | Fine Agrochemicals Limited | Growth regulator concentrate and use thereof |
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| CN101730472A (en) * | 2007-06-14 | 2010-06-09 | 先正达参股股份有限公司 | Pesticidal combinations comprising insecticides and plant activators |
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