CN104839166B - Compound synergistic agent for preventing and treating peanut diseases and insect pests - Google Patents
Compound synergistic agent for preventing and treating peanut diseases and insect pests Download PDFInfo
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- CN104839166B CN104839166B CN201510179433.2A CN201510179433A CN104839166B CN 104839166 B CN104839166 B CN 104839166B CN 201510179433 A CN201510179433 A CN 201510179433A CN 104839166 B CN104839166 B CN 104839166B
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- gibberellins
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Abstract
The invention relates to a compound synergistic agent for preventing and treating peanut diseases and insect pests, wherein the compound synergistic agent is an aqueous solution containing 5-50 ppm of gibberellin and 20-250 ppm of chlorantraniliprole. Other components also can be added into the compound synergistic agent to achieve special requirements, for example, auxiliary agent components and/or other pesticide components preparing a seed coating agent are added. The preparation method of the compound synergistic agent comprises the following steps: weighing or measuring metric gibberellin, chlorantraniliprole and water, wherein the mass ratio of the gibberellin effective content, the chlorantraniliprole effective content and water is (5-50):(20-250):1000000; and adding gibberellin and chlorantraniliprole into water, and mixing evenly for standby application. The compound synergistic agent has an obvious synergism of prevention and control effects on the peanut seedling emergence rate, peanut disease resistance, peanut cotton bollworm and grub, is especially suitable for farmers for own use, is easy to operate, simple in components, low in price and convenient to operate by single household, can be prepared just before use, plays pesticide effectiveness to a greatest degree, and is conducive to large-area promotion.
Description
Technical field
The invention belongs to technical field of pesticide combination, be specifically related to a kind of compound synergic agent preventing and treating Semen arachidis hypogaeae pest and disease damage.
Background technology
Recently as the adjustment of pattern of farming, peanut cultivation area constantly expands, and Semen arachidis hypogaeae pest and disease damage has and rises year by year
Trend.Single grain fine sowing technology becomes, in some Semen arachidis hypogaeae producing region, the technology of promoting mainly, and Semen arachidis hypogaeae is emerged the most entirely to become and limited this Technique Popularizing
One principal element of application.Peanut seed is many at present is reserved seed for planting certainly by peasant, seldom buys in seeds company, and previously reported
Semen arachidis hypogaeae seed coat agent is owing to production cost is higher, complex process, it is adaptable to seed processing enterprise, is not suitable for the Semen arachidis hypogaeae of single household
Dressing, and do not meet the principle that the upper medicament mixture of production is now with the current.Therefore it is suitable for agriculture in the urgent need to one in producing
That the people use by oneself, easy and simple to handle, component is simple, low-cost Semen arachidis hypogaeae compound synergic agent.While ensureing that Semen arachidis hypogaeae is emerged, strengthen
Peanut growth gesture, has certain defensive ability/resistance ability to conventional Semen arachidis hypogaeae sprout term disease and insect pest, is reached cost-effective by seed dressing, is increased
Produce the purpose increased income.Existing coating materials, especially for the coating materials of peanut seed, due to its component mixture relative poor,
Do not reach the optimum efficiency of mixed pesticide, particularly promoting on germination, sterilization, insect protected disease-proof functions, or depositing
Or existence too high in manufacturing cost operates complexity, is unfavorable for the features such as peasant's grasp, is unfavorable for producing spread.
There is potentiation and change with the change of proportioning in mixed pesticide.Phytohormone class medicament can stimulate plant
Growth, growth, metabolism, after utilizing its appropriate ratio and insecticide mixture, can show certain potentiation and make insecticidal effect
With, therefore can be as insecticide synergist, such as plants essential oil, hypertonic assistant etc..Grope its optimal with insecticide mixture
Ratio, for ensureing plant health growth, improves Pesticide use efficiency, reduces pesticide volume, improve prevention effect extremely important.
Summary of the invention
Efficient, easy, the Ke Yixian that the technical problem to be solved is to provide that a kind of peasant of being applicable to uses by oneself
Join the compound synergic agent of used preventing and treating Semen arachidis hypogaeae pest and disease damage, reach potentiation, the double purpose controlling also expanding prevention scope.
A kind of compound synergic agent preventing and treating Semen arachidis hypogaeae pest and disease damage, is containing 5-50ppm gibberellins and 20-250ppm chlorine worm benzene first
The aqueous solution of amide.
Preferably, gibberellins concentration is 20-30ppm, and Rynaxypyr concentration is 40-62.5ppm.
Described compound synergic agent can also add other component to realize particular/special requirement, as add film former, penetrating agent,
The auxiliary components such as warning coloration are to prepare seed coat agent.Described film former is selected from chitosan, Radix Acaciae senegalis, starch, polyvinyl alcohol, first
One or more in shell element；Described penetrating agent is ethanol；Described warning coloration is pigment beautiful in colour, such as red pigment.
Described compound synergic agent can also add other pesticide composition to reach specific pesticide-germicide purpose, such as fluorine worm
Nitrile, CGA-173506, Metalaxyl-M, Difenoconazole, carbendazim, thiram, imidacloprid, fipronil bisamide, Tebuconazole etc..
The compound synergic agent of above-mentioned preventing and treating Semen arachidis hypogaeae pest and disease damage, preparation method is as follows: weigh or measure the red mould of doses
Element, Rynaxypyr and water, wherein gibberellins effective content, mass ratio between Rynaxypyr effective content and water are
5-50:20-250:1000000；Gibberellins and Rynaxypyr being added to the water, mix homogeneously is standby.
When needs add other component such as seed coat agent needed for auxiliary agent and/or during other pesticide composition, according to routine techniques hands
Section adds conventional amount used.
The different mixtures that the present invention has groped gibberellins and two kinds of medicaments of Rynaxypyr in indoor and field are most preferably joined
Comparison Semen arachidis hypogaeae emergence rate, Semen arachidis hypogaeae disease resistance, Semen arachidis hypogaeae bollworm and the prevention effect of Holotrichia diomphalia Bates, and to two kinds of medicaments of variable concentrations proportioning
Potentiation, addition, decreasing effect Effect study.The compound synergic agent obtained, the seed coat agent relative to previously reported:
(1) in emergence rate, pest control, effect becomes apparent from, and for Semen arachidis hypogaeae emergence rate and the preventive effect of general disease
Significantly, while ensureing that Semen arachidis hypogaeae is emerged, strengthen Semen arachidis hypogaeae growing way, conventional Semen arachidis hypogaeae sprout term disease and insect pest are had certain resisting
Ability.
(2) it is suitable for peasant to use by oneself, easy and simple to handle, it is simple to single household operates, can be now with the current, at utmost plays agriculture
The usefulness of medicine, the most large-area popularization.
(3) have chosen gibberellins and two kinds of common medicaments of Rynaxypyr, component is simple, low price, by seed dressing
Reach cost-effective, the purpose of increasing both production and income.
(4) without adding in seed coat agent the components such as conventional film forming matter, stabilizer, binding agent, coloring agent, it is substantially reduced
Cost of material and production technology, and without the interference of these auxiliary agents, can the drug effect of more stable efficient performance medicament itself.
(5) compound synergic agent of the prior art is all to use two or more active components to compound to reach broad-spectrum sterilization and kill
The effect of worm, and the present invention has groped the optimal compounding concentration of gibberellins and Rynaxypyr, the most only uses both medicines
Agent can reach the preventive effect to sprout term disease, and as a example by root rot, prevention effect reaches more than 10%, to bollworm and Qi
The prevention effect of Scarabaeiform respectively reaches 89.53% and 89.7%.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further described.
Medicament selects:
40% gibberellins solvable grain-WP (Shanghai Tongrui Biotechnology Co., Ltd.'s offer)
5% Rynaxypyr suspending agent-SC (Beijing middle peasant joins subfamily skill Development Co., Ltd to be provided)
Drug solution preparing:
The 40% solvable grain of gibberellins is made into 5ppm, 10ppm, 20ppm, 30ppm, 40ppm, 50ppm aqueous solution: claim respectively
Take 40% gibberellins solvable grain 12.5mg, 25mg, 50mg, 75mg, 100mg, 125mg to be dissolved in 1kg water, actually active content
It is respectively as follows: 5mg, 10mg, 20mg, 30mg, 40mg, 50mg.
5% Rynaxypyr suspends and is made into 20ppm, 40ppm, 62.5ppm, 125ppm, 250ppm aqueous solution: respectively
Weighing 5% Rynaxypyr suspension 0.4g, 0.8g, 1.25g, 2.5g, 5g to be dissolved in 1kg water, actual effective content is
0.02g、0.04g、0.0625g、0.125g、0.25g。
Gibberellins and Rynaxypyr mixture: weighing the medicine metering of above-mentioned correspondence, mixing is dissolved in 1kg water.
Medicinal liquid uses and is divided into test group and matched group, and test group is the gibberellins of variable concentrations and Rynaxypyr mixes
Joining, matched group sets 3 groups, wherein CK1: clear water；CK2: gibberellins single dose 30ppm aqueous solution；CK3: Rynaxypyr single dose
62.5ppm aqueous solution.
Testing and carry out respectively in indoor and field, peanut varieties used educates No. 22 for flower.
Experimental Method in Laboratory: medicinal liquid is prepared according to plan for, Kernel of Peanut is carefully chosen, without damage, without germinate, power
Seek size uniformity.Test is carried out in the culture dish of diameter 15 centimetres, and every ware puts 15, seed, at the bottom of ware, covers each lay one
Absorbent paper, pours the medicinal liquid prepared into full to ware, makes every effort to every ware amount of liquid medicine identical (principle allows medicinal liquid flood kernel), soak 3
Hour then outwell unnecessary medicinal liquid, build moisturizing and draw unnecessary medicinal liquid, be placed in moisturizing in the incubator of 25 DEG C and cultivate, three weights
Multiple, add up radicle length after 5 days, radicle spills seed coat 3mm and is considered as germinateing, statistics germination percentage (chitting piece number/total seed number *
100%), rotten rate (rotten seed number/total seed number * 100%).
Field test method: medicinal liquid is prepared according to plan for, Kernel of Peanut shines, and carefully chooses, without damage, nothing
Germinate, make every effort to size uniformity, be placed in seed dressing container.Then the medicinal liquid prepared is poured in seed dressing container, limit bevelling
Stir Semen arachidis hypogaeae to be sufficiently stirred for, till mixing thoroughly.Dry seed in the cool, seed coat see dry after by sowing in time in season.Semen arachidis hypogaeae ridging
Plastic-film-covered cultivation, ridge height 10cm, wide 83cm, sow duplicate rows, 2, every cave, density 8000 caves/mu.The soil of each experimental plot, cultivation
Training, rich water quality management etc. are consistent, and with local agricultural production is actual is consistent.Grow fine during peanut growth, fruit maturation
Rear results.Test sets 9 process altogether, repeats for 3 times, Gong27Ge community, plot area 66.6m2, random district, each community group arranges,
Minizone sets aisle, and test is provided around protection row.
Root rot preventive effect is added up: divide according to the state of an illness disclosed in the Institute for the Control of Agrochemicals of the Ministry of Agriculture,PRC's " pesticide field efficacy criterion one "
Grade standard (table 1) and prevention effect computing formula calculate.Semen arachidis hypogaeae is emerged, and a situation arises for latter 10 days investigation root rot, every community
Random 10 samplings, often locate 2 caves, 4 strains, investigate 40 strains.Carry out according to following grade scale.
Table 1 severity Scaling standard
Bollworm preventive effect is added up: mix after medicine 60 days, and every community selects 50 ZHUHUA raw investigation cotton boll borer populations at random, finally
Holotrichia diomphalia Bates preventive effect is added up: during Semen arachidis hypogaeae maturation results, and every community takes a little at 10 at random, often place's investigation Semen arachidis hypogaeae 2 cave, 4 strains, tune
Look into Holotrichia diomphalia Bates number, finally
Table 2 and table 3 display for the safety after variable concentrations gibberellins and Rynaxypyr mixture and preventive effect evaluation
Data, process data by DPS processing system, and multiple comparisons uses Duncan duncan's new multiple range method.Upper and lower case letter represents 1% respectively
With 5% level of difference.As can be seen from Table 2:
Safety evaluatio: from the point of view of rotten rate, except mixture preparation 50ppm gibberellins+62.5ppm Rynaxypyr with
Outward, other process is all safe；From the point of view of germination percentage, except mixture preparation 40ppm gibberellins+62.5ppm Rynaxypyr,
Beyond 50ppm gibberellins+62.5ppm Rynaxypyr and CK3 Rynaxypyr 62.5ppm single dose, all process are to flower
Bearing Seedling not affect, safety is available.It can be seen that only use Rynaxypyr 62.5ppm single dose to exist affect germination percentage
Problem, and with after this concentration Rynaxypyr and 5ppm, 10ppm, 20ppm or 30ppm gibberellins mixture, well solve
This problem, germination percentage reaches 100%.
Growth-promoting is evaluated: from the point of view of radicle length, and mixture preparation 20ppm gibberellins+62.5ppm Rynaxypyr is (long
Degree 0.81cm) Semen arachidis hypogaeae had obvious rooting promoting, and be significantly better than comparison CK1 (length 0.75cm), CK2 (length 0.79cm) and
CK3 (length 0.72cm).Mutually promote after both mixtures are described, achieve the effect more excellent than simple medicine effect superposition
Really.
Root rot preventive effect: have all combinations of gibberellins composition to have certain preventive effect to root rot, be significantly higher than clear water pair
According to CK1 (preventive effect 0%) and Rynaxypyr single dose CK3 (preventive effect 0.78%), wherein, mixture preparation 20ppm gibberellins+
Preventive effect (8.8%) when 62.5ppm Rynaxypyr (preventive effect 9.94%) is significantly higher than CK2 alone 30ppm gibberellins.Illustrate two
Mutually promote after person's mixture, achieve the effect more excellent than simple medicine effect superposition.
Bollworm preventive effect: have all combinations of Rynaxypyr composition to have certain preventive effect to bollworm, be significantly higher than
Clear water comparison CK1 (preventive effect 0%) and gibberellins single dose CK2 (preventive effect 0.95%), wherein, mixture preparation 20ppm gibberellins+
62.5ppm Rynaxypyr (preventive effect 89.53%), 30ppm gibberellins+62.5ppm Rynaxypyr (preventive effect
89.51%) when, 40ppm gibberellins+62.5ppm (preventive effect 88.96%) is significantly higher than CK3 alone 62.5ppm Rynaxypyr
Preventive effect (84.8%).Mutually promote after both mixtures are described, achieve the effect more excellent than simple medicine effect superposition.
Holotrichia diomphalia Bates preventive effect: have all combinations of Rynaxypyr composition to have certain preventive effect to Holotrichia diomphalia Bates, be significantly higher than clear water
Comparison CK1 (preventive effect 0%) and gibberellins single dose CK2 (preventive effect 1.2%), wherein, mixture preparation 20ppm gibberellins+62.5ppm chlorine
Worm Benzoylamide (preventive effect 89.7%), 30ppm gibberellins+62.5ppm (preventive effect 88.73%) are significantly higher than the alone 62.5ppm of CK3
Preventive effect (85.16%) during Rynaxypyr.Mutually promote after both mixtures are described, achieve than simple medicine effect superposition
More excellent effect.
The safety of table 2 variable concentrations gibberellins and 62.5ppm Rynaxypyr mixture and prevention effect evaluation
As can be seen from Table 3:
Safety analysis: from the point of view of rotten rate, mixture preparation 30ppm gibberellins+125ppm Rynaxypyr, 30ppm
Gibberellins+250ppm Rynaxypyr and CK3 Rynaxypyr single dose all have a damage to root, and with other test group and
Comparison there were significant differences, also demonstrate that simultaneously mixture preparation 30ppm gibberellins+20ppm Rynaxypyr, 30ppm gibberellins+
40ppm Rynaxypyr and 30ppm gibberellins+62.5ppm Rynaxypyr are significantly better than CK3 Rynaxypyr list
Agent, solves the rotten problem caused when Rynaxypyr single dose is used alone well；From the point of view of germination percentage, mixture preparation
The germination percentage of 30ppm gibberellins+250ppm Rynaxypyr and CK3 Rynaxypyr single dose is substantially less than other test group
And matched group, also demonstrate that mixture preparation 30ppm gibberellins+20ppm Rynaxypyr, 30ppm gibberellins+40ppm simultaneously
Rynaxypyr, 30ppm gibberellins+62.5ppm Rynaxypyr and 30ppm gibberellins+125ppm Rynaxypyr
It is significantly better than CK3 Rynaxypyr single dose, solves the germination caused when Rynaxypyr single dose is used alone well
The problem that rate reduces.
Growth-promoting is evaluated: from the point of view of radicle length, mixture preparation 30ppm gibberellins+40ppm Rynaxypyr (length
0.8cm), 30ppm gibberellins+62.5ppm Rynaxypyr (length 0.79cm) combination is significantly higher than three groups of comparison CK1 (length
Degree 0.76cm), CK2 (length 0.78cm), CK3 (length 0.76cm), illustrate both mutually promote after mixtures, achieve ratio merely
The more excellent effect of medicine effect superposition.
Root rot preventive effect: have all combinations of gibberellins composition to have certain preventive effect to root rot, be significantly higher than clear water pair
According to CK1 (preventive effect 0%) and Rynaxypyr single dose CK3 (preventive effect 1.29%), wherein, mixture preparation 30ppm gibberellins+
Preventive effect (8.97%) when 40ppm Rynaxypyr (preventive effect 9.92%) is significantly higher than alone 30ppm gibberellins.Illustrate that both are mixed
Mutually promote after joining, achieve the effect more excellent than simple medicine effect superposition.
Bollworm preventive effect: have all combinations of Rynaxypyr composition to have certain preventive effect to bollworm, be significantly higher than
Clear water comparison CK1 (preventive effect 0%) and gibberellins single dose CK2 (preventive effect 0.01%), wherein, mixture preparation 30ppm gibberellins+
40ppm Rynaxypyr (preventive effect 89.07%), 30ppm gibberellins+62.5ppm Rynaxypyr (preventive effect 88%) combine
Preventive effect (85.32%) when being significantly higher than CK3 alone 62.5ppm Rynaxypyr.Mutually promote after both mixtures are described, obtain
The effect more excellent than simple medicine effect superposition.
Holotrichia diomphalia Bates preventive effect: have all combinations of Rynaxypyr composition to have certain preventive effect to Holotrichia diomphalia Bates, be significantly higher than clear water
Comparison CK1 (preventive effect 0%) and gibberellins single dose CK2 (preventive effect 1.2%), wherein, mixture preparation 30ppm gibberellins+40ppm is (anti-
Effect 88.77%) preventive effect (84.76%) when being significantly higher than CK3 alone 62.5ppm Rynaxypyr.Phase after both mixtures is described
Promote mutually, achieve the effect more excellent than simple medicine effect superposition.
Inferred by above test data, when use 30ppm gibberellins+40ppm Rynaxypyr, 20ppm gibberellins+
When 62.5ppm Rynaxypyr, 30ppm gibberellins+62.5ppm Rynaxypyr mixture, safety and prevention effect are
Good.And from the point of view of by preventive effect data, when this ratio mixture effect is used alone than same dose single dose, effect dramatically increases, and i.e. takes
Obtain the prevention effect of " 1+1 > 2 ".
The safety of table 3 variable concentrations Rynaxypyr and 30ppm gibberellins mixture and prevention effect evaluation
Claims (7)
1. the compound synergic agent preventing and treating Semen arachidis hypogaeae pest and disease damage, it is characterised in that synergist be containing 20-30ppm gibberellins and
40-62.5ppm the aqueous solution of Rynaxypyr.
The compound synergic agent of preventing and treating Semen arachidis hypogaeae pest and disease damage the most according to claim 1, it is characterised in that described compound synergic agent
In possibly together with preparation seed coat agent needed for auxiliary component.
The compound synergic agent of preventing and treating Semen arachidis hypogaeae pest and disease damage the most according to claim 2, it is characterised in that described auxiliary component is
One or more in film former, penetrating agent, warning coloration.
The compound synergic agent of preventing and treating Semen arachidis hypogaeae pest and disease damage the most according to claim 3, it is characterised in that described film former is selected from
One or more in chitosan, Radix Acaciae senegalis, starch, polyvinyl alcohol, chitin；Described penetrating agent is ethanol；Described police
Guarding against color is pigment beautiful in colour.
The compound synergic agent of preventing and treating Semen arachidis hypogaeae pest and disease damage the most according to claim 1 and 2, it is characterised in that described compounding increasing
Possibly together with other pesticide composition in effect agent.
The compound synergic agent of preventing and treating Semen arachidis hypogaeae pest and disease damage the most according to claim 5, it is characterised in that described pesticide composition is
One or many in ethiprole, CGA-173506, Metalaxyl-M, Difenoconazole, carbendazim, thiram, fipronil bisamide, Tebuconazole
Kind.
7. the preparation method of the compound synergic agent preventing and treating Semen arachidis hypogaeae pest and disease damage, it is characterised in that step is as follows: weighs or measures
The gibberellins of doses, Rynaxypyr and water, wherein gibberellins effective content, Rynaxypyr effective content and water
Between mass ratio be 20-30:40-62.5:1000000；Gibberellins and Rynaxypyr are added to the water, mix homogeneously
Standby.
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| CN201510179433.2A CN104839166B (en) | 2015-04-16 | 2015-04-16 | Compound synergistic agent for preventing and treating peanut diseases and insect pests |
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| CN201510179433.2A CN104839166B (en) | 2015-04-16 | 2015-04-16 | Compound synergistic agent for preventing and treating peanut diseases and insect pests |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101401569B (en) * | 2008-11-13 | 2011-01-05 | 湖南大方农化有限公司 | Environment-friendly floating agrochemistic formulations for rice field and method of producing the same |
| AU2011323615B2 (en) * | 2010-11-03 | 2014-05-01 | Corteva Agriscience Llc | Pesticidal compositions and processes related thereto |
| BRPI1104162A2 (en) * | 2011-08-25 | 2013-08-13 | Fmc Quimica Do Brasil Ltda | synergistic composition, use and preparation process, use of a plant growth regulator, fungicide, insecticide or acaricide, methods for reducing overgrowth of maize plants, for strengthening stalk, root system and adventitious roots of maize plants for pest control and resistance to pest control, as well as a method for identifying a composition which ensures high crop yield |
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