Compound bionic insecticide

A kind of insecticide and biological technology, applied in the field of pest control, can solve the problems of slow insecticidal speed, low insecticidal activity, and inability to control quickly, and achieve the effect of enhanced effect, high safety, and low toxicity

Inactive Publication Date: 2004-09-15
JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although taibao has a long lasting effect, its insecticidal speed is slow, and it cannot quickly control the damage, and its insecticidal activity against borer pests Chiloborea and Chiloborer is low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The results of synergistic bioassays show that: in terms of pure drug dosage, 0.1 g of sultap + 50 g of sultap, 0.25 g of sultap + 40 g of sultap, 0.5 g of sultap + 30 g of sultap, and 1.5 g of sultap + 20 grams of monosultap, 2.5 grams of imsultap + 10 grams of monosultap, a total of 5 kinds of compounding agents, the co-toxicity coefficients of rice leaf rollers are 185, 188, 253, 191 and 177 respectively; The co-toxicity coefficients to C. borer were 152, 172, 158, 136 and 148, respectively; It shows that the two medicaments have significant synergistic insecticidal effects on the above three rice pests after they are compounded.

Embodiment 2

[0022] The field test shows: according to the pure chemical dosage used per acre (the same below), the compound agent of 0.5 gram of Itapro + 30 grams of monosultap, 2 days after application, the leaf preservation effect of preventing and treating the rice leaf roller is 76~83%, the insecticidal effect is 80~87%, very significantly (up to 1% significant level, the same below) is higher than the leaf protection effect (26~33%) and insecticidal Effect (33-39%), and significantly (up to 5% significant level, the same below) higher than the leaf preservation (65-74%) and insecticidal effect (71-78%) of 40 grams of monosultap per mu. After 6 days of spraying, the leaf protection effect of compound agent is 87~95%, and insecticidal effect reaches 91~97%, and the leaf protection (78~93%) and insecticidal effect (83% of 1.5 grams of pratabola for mu use) ~95%) are equivalent, very significantly higher than the leaf protection (56~65%) and insecticidal effect (55~62%) of 0.5 grams of I...

Embodiment 3

[0024] The field test also showed that: 0.25 g of Etapo + 40 g of monosultap compound agent, 2 days after application, the leaf protection effect of controlling rice leaf rollers is 81-85%, and the insecticidal effect is 84-90%. Extremely significantly higher than the effect of 1.5 grams of Phatabola for mu (same as above). Six days after spraying, the leaf-protecting effect is 84-93%, and the insecticidal effect is 90-95%, which is significantly higher than the effect of 0.5 g of Itapo per mu. 15 days after spraying, the compound agent has a leaf protection effect of 83 to 90% and an insecticidal effect of 92 to 98% in the control of rice leaf rollers, which are significantly higher than 0.5 grams of taibao for mu or 40 monosultap The effect of gram; the effect of preventing and treating the stem borer and the dead heart of stem borer is 90~94%, 86~94% respectively, significantly higher than the effect (73~82%) of 40 grams of monosultap per mu, extremely significantly higher ...

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Abstract

The present invention relates to a bionic low-toxic composite pesticide. It is formed from two active components of chlorfluazuron and monosultap (or bisultap) and adjuvant, filler or solvent. By pure dosage for every mu said composite pesticide contains 0.1-5 g of chlorfluazuron and 5-75g of monosultap (or bisultap). Said composite pesticide can obviously raise the effect for controlling rice leaf roller, also can be used for controlling rice borers, and can be substituted for high-toxic pesticide.

Description

1. Technical field [0001] The invention belongs to the technical field of pest control, and in particular relates to the compounding of bionic pesticide Chlorfluazuron and Monosultap or Dimehypo into a compound insecticide with high efficiency, low toxicity and multifunctionality, which is used for Efficiently control rice leaf roller, rice stem borer, rice stem borer, rice borer, diamondback moth, beet armyworm and other pests, and inhibit the resistance of pests to a single insecticide. 2. Technical background [0002] The rice leaf roller Cnaphalocrocis medinalis Guenee is a migratory pest with strong suddenness and wide range of damage. It causes white leaves on rice and is one of the main pests of rice. The rice stem borer, the rice stem borer and the rice stem borer are a kind of local fulminant pests, which cause dead hearts, dead sheaths and white ears by borers, and are another major pest of rice. For a long time, the control of rice leaf roller mainly relied on in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N41/04A01N47/28A01N47/30
Inventor 方继朝郭慧芳王节萍刘宝生
Owner JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
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