CN102334507A - Complex pesticide for preventing and controlling drug-resistant prodenia litura fabricius - Google Patents
Complex pesticide for preventing and controlling drug-resistant prodenia litura fabricius Download PDFInfo
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- CN102334507A CN102334507A CN2011101981364A CN201110198136A CN102334507A CN 102334507 A CN102334507 A CN 102334507A CN 2011101981364 A CN2011101981364 A CN 2011101981364A CN 201110198136 A CN201110198136 A CN 201110198136A CN 102334507 A CN102334507 A CN 102334507A
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Abstract
The invention discloses a complex pesticide for preventing and controlling drug-resistant prodenia litura fabricius. The technical scheme is that: the weight ratio of 480ml/L chlorpyrifos, 50 percent phoxim, a synergist and water is 1:0.8-1.2:0.8-1.2:1,500-4,500; the complex pesticide in an amount which is 45-55kg is applied to leaves of cotton per 667 square meters; and the safety interval for human beings, animals and silkworms is 12 days. The complex pesticide has the advantages of easiness in preparation, wide raw material source, low price, low toxicity, low residue, no pollution and convenience in use, and can be directly sprayed to the leaves of the cotton. As shown by experiments, the prevention and control effect of the complex pesticide reaches 95 percent; and the complex pesticide is popularized and applied to about 10 hectares of cotton fields in yandong town of tinghu district of yancheng city, teyong town of sheyang county and the like, and satisfactory prevent and control effect is achieved.
Description
Technical field
Patent of the present invention relates to a kind of Recompounded pesticide, particularly a kind of Recompounded pesticide of preventing and treating the stronger prodenia litura of pesticide resistance.
Background technology
Prodenia litura (Prodenia Litura Fabricius) is a kind of sporadic insect, and the host is extensive, can endanger 290 various plants of 99 sections such as cotton, vegetables, soybean, mulberry tree, lawn; Variation along with environmental condition; Rise to primary pest gradually, all there is the report that serious harm takes place in domestic in recent years each big cotton region, and because of its pesticide resistance strong; In case outburst, extremely difficult control.This worm cotton leaf back of trooping for 1～2 age is caused harm, and chews food lower epidermis and mesophyll, only stays epicuticle, and 3 order backs disperse to cause harm, and heavily harmful field piece can be eaten up cotton leaf, causes output significantly to reduce, thereby causes enormous economic loss to the cotton grower.The chemical pesticide commonly used that is used to prevent and treat cotton pest be can buy on the current market and 1500 times of missible oil, 50% phoxim emulsifiable concentrate etc. fed like 80% enemy enemy of 2000 times 25g/L bromo fluoride chrysanthemum grease, 20% fenvalerate missible oil, 4.5% beta-cypermethrin EC, 1% first dimension salt missible oil, 2% abamectin emulsifiable concentrate, 480g/L chlorpyrifos ec and 1500 times; Drug effect is single, has only the control efficiency about 30～70%.
Summary of the invention
For overcoming the weak point of prior art, the present invention provides a kind of raw material sources wide, cheap, and control efficiency is good, safety interval is short, and preparation is simple, low toxicity, low-residual, pollution-free, and is easy to use, can directly spray the Recompounded pesticide on the cotton blade face.
The technical solution adopted for the present invention to solve the technical problems is: comprise chlopyrifos, phoxim, synergist and water; The weight proportion of 480ml/L chlopyrifos, 50% phoxim, synergist and water is 1: 0.8～1.2: 0.8～1.2: 1500～4500; With per 667 square metres 45～55 kilograms consumption, spray on the blade face of cotton, be 12 days to people and animals, silkworm safety interval.
Synergist in the above-mentioned prescription is surfactant-based material, and what use most convenient is daily liquid detergent, and its source is wide, price is low.
Water described in the above-mentioned prescription is the water of neutrality or slant acidity, and the pH value is 6.6～7.0
Chlopyrifos, the phoxim that the present invention adopts is low toxicity, the less-persistent pesticide of national Ministry of Agriculture approval, is used for the control of the common insects of large crops such as cotton, mulberry tree, vegetables, fruit tree.Chlopyrifos and phoxim can reach single medicine effect can't be obtained after mixing use, and further synergy of the adding of surfactant-based material, its mechanism has been to reduce the surface tension of soup, has increased the infiltration capacity of medicament.Antagonism property of medicine prodenia litura control efficiency all can reach about 95%.
The Recompounded pesticide of control prodenia litura of the present invention; The control efficiency of its laboratory test (seeing table 1): the control efficiency of this prescription is 98.3%, and the chlopyrifos of single component 480mg/L, 50% phoxim control efficiency only are respectively 66.7%, 68.3%.Adopt generally acknowledge both at home and abroad the mixture screening technique---the co-toxicity coefficient that co-toxicity coefficient determination method (Sun Yunpei and E.R.Johnson, 1960) is measured this prescription is 325.9, has obvious synergistic effect (seeing table 2).
Table 1: the Recompounded pesticide laboratory results of control resistant diagonal noctuid
Annotate: the usage amount of laboratory test soup squirts with cotton leaf front and back and is degree." * " be and routine administration contrast between significant difference, " * * " be and routine administration contrast between difference extremely remarkable.
Table 2: the co-toxicity coefficient of Recompounded pesticide is measured
The Recompounded pesticide of control prodenia litura of the present invention, its land for growing field crops pilot experiment and control efficiency (seeing table 3):
Table 3: the land for growing field crops pilot experiment result of Recompounded pesticide control prodenia litura
Annotate: " * " be and the routine administration contrast between significant difference, " * * " be and routine administration contrast between difference extremely remarkable.
The Recompounded pesticide of control of the present invention prodenia litura, it is to silkworm residual hazard result of the test (seeing table 4):
Table 4: Recompounded pesticide the silkworm residual hazard phase is tested
The usage amount of the medicament dilution of the residual hazard phase test of notes Recompounded pesticide is: per 667 square metres 50 kilograms.
The Recompounded pesticide of control prodenia litura of the present invention, its preparation is simple, raw material sources are wide, cheap; Low toxicity, low-residual, pollution-free, easy to use, can directly spray on the blade face of cotton; Also can be used for the control of mulberry field insect, the results showed, its control efficiency reaches about 95%; Solved the problem of preventing and treating effectively, for cotton grower, mulberry planter, a kind of practicable controlling way is provided with resistant diagonal noctuid.
Embodiment
Case study on implementation:
Get commercial 480ml/L chlopyrifos, phoxim, each 3ml of liquid detergent of 50%, process the inner wrapping injection respectively, as the application dosage of 167 square metres of cotton pests controls, incense is used.During use, with above-mentioned three kinds of medicaments mixed after, convert the pH value and be 7 neutral water 12KG, join existing usefulness at present, directly spray on plant blade face, cotton field.Safety interval is 12 days.This example prescription also can be used for the control of insects such as mulberry field prodenia litura.
Claims (3)
1. a Recompounded pesticide that is used to prevent and treat resistant diagonal noctuid is characterized in that: comprise chlopyrifos, phoxim, synergist and water; The weight proportion of 480ml/L chlopyrifos, 50% phoxim, synergist and water is 1: 0.8～1.2: 0.8～1.2: 1500～4500; With per 667 square metres 45～55 kilograms consumption, spray on the blade face of cotton, be 12 days to the safety interval of people and animals, silkworm.
2. a kind of Recompounded pesticide that is used to prevent and treat resistant diagonal noctuid according to claim 1, it is characterized in that: described synergist is surfactant-based material, what use aspect is daily liquid detergent.
3. a kind of Recompounded pesticide that is used to prevent and treat resistant diagonal noctuid according to claim 1 is characterized in that: described water is the water of neutrality or slant acidity, and the pH value is 6.6～7.0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101981364A CN102334507A (en) | 2008-10-27 | 2008-10-27 | Complex pesticide for preventing and controlling drug-resistant prodenia litura fabricius |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101981364A CN102334507A (en) | 2008-10-27 | 2008-10-27 | Complex pesticide for preventing and controlling drug-resistant prodenia litura fabricius |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101759019A Division CN101427688A (en) | 2008-10-27 | 2008-10-27 | Compounded pesticide for preventing and treating pesticide resistant diagonal noctuid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102334507A true CN102334507A (en) | 2012-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2011101981364A Pending CN102334507A (en) | 2008-10-27 | 2008-10-27 | Complex pesticide for preventing and controlling drug-resistant prodenia litura fabricius |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110786325A (en) * | 2019-05-18 | 2020-02-14 | 陆琳 | Method for relieving pesticide damage of fomesafen to part of deciduous trees |
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2008
- 2008-10-27 CN CN2011101981364A patent/CN102334507A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110786325A (en) * | 2019-05-18 | 2020-02-14 | 陆琳 | Method for relieving pesticide damage of fomesafen to part of deciduous trees |
| CN110786325B (en) * | 2019-05-18 | 2021-06-22 | 陆琳 | Method for relieving pesticide damage of fomesafen to part of deciduous trees |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Open date: 20120201 |