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Paichongding-containing insecticidal composition for preventing and controlling rice planthoppers

An insecticidal composition, the technology of pichridam, which is applied in the field of plant protection, can solve the problems of increased drug resistance and difficulty in prevention and control, and achieve the effects of delaying resistant pests and improving drug efficacy

Active Publication Date: 2018-02-09
江苏克胜集团股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Pichridam is a new type of neonicotinoid insecticide with high efficiency, low toxicity and broad spectrum. Especially the rice planthopper has a good effect, but due to the increase of drug resistance, it is becoming increasingly difficult to control it with conventional pesticides. Therefore, there is an urgent need to develop new methods and drugs for controlling rice planthopper

Method used

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  • Paichongding-containing insecticidal composition for preventing and controlling rice planthoppers
  • Paichongding-containing insecticidal composition for preventing and controlling rice planthoppers
  • Paichongding-containing insecticidal composition for preventing and controlling rice planthoppers

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Example 1 Toxicity Determination of Pichamid and Rotenone Single Agent and Both Mixtures to Rice Planthopper

[0019] Test object: rice planthopper

[0020] Test method: The test method refers to the "People's Republic of China Agricultural Industry Standard NY / T1154.7-2006". The rice planthoppers used in the experiment were pupae of rice planthoppers (BPH) collected from the field. Rice seedlings were used for three generations in the greenhouse, and uniform fourth-instar larvae were selected and placed into rice seedlings (treated with cotton balls for moisturizing). In a petri dish (diameter 12cm), each dish is connected with 30 anesthetized larvae, and each treatment is connected with 4 petri dishes, and the single agent and the mixed agent are sprayed into the petri dish, and each dish is sprayed with 3ml of liquid medicine. After the insects wake up, put the treated petri dish into an incubator at 27°C with a photoperiod of 16h / 8h for cultivation, check the numbe...

Embodiment 2

[0031] The synergistic effect of embodiment 2 salicyxamic acid (SHAM) to mixture

[0032] Table 2

[0033] potion

[0034] As can be seen from Table 2, salicyxamic acid has a significant synergistic effect on the active ingredients, which reduces the amount of active ingredients used, significantly enhances the toxicity of the active ingredients, and greatly reduces the drug concentration.

Embodiment 3

[0036] An insecticidal composition specially used for controlling rice planthoppers containing Pichmid, containing active ingredients and synergists, active ingredient: synergist 95:5, wherein the active ingredient is Pichmid with a mass ratio of 75:15 Pyridine and rotenone, the synergist is salicylic acid.

[0037] Said composition is made nano microemulsion, specifically comprises the following steps:

[0038] 1) Mix pichampudin, rotenone, salicylic acid and zeolite powder and put them in a ball mill. Metal balls with different diameters from 0.5 to 15 mm are used as grinding balls in random proportions. After ball milling for 24-48 hours, it is formed into More than 95% of the mixture with a particle size of less than 100nm; wherein, the mass ratio of balls to material is 80:1, the rotational speed of the ball mill is 450 rpm; the mass ratio of piperidam and zeolite powder is 5:1;

[0039] 2) Homogenize the mixture obtained in step 1) to form an insecticidal composition, w...

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Abstract

The invention discloses a Paichongding-containing insecticidal composition for preventing and controlling rice planthoppers, which is prepared from active ingredients and a synergist, a ratio of the active ingredients to the synergist being (95 to 99):(1 to 5), wherein the active ingredients are Paichongding and rotenone, the mass ratio of which is (75 to 90):(10 to 15), and the synergist is salicylhydroxamic acid. The Paichongding-containing insecticidal composition not only solves the problems of single action modes, large dosage and easy resistance development existing in single fungicides,but also has a good prevention and control effect on the rice planthoppers in particular.

Description

technical field [0001] The present invention relates to the field of plant protection, and in particular to an insecticidal composition specially used for preventing and treating rice planthoppers containing pechram. Background technique [0002] Rice planthopper is one of the main pests of single-season late rice in northern Zhejiang, mainly including brown planthopper, white-backed planthopper and striatellus, among which brown planthopper and brown planthopper pose a serious threat to rice production, causing large-scale The area of ​​rice is dry and lodging, the rice yield is directly lost by 10%-20%, and some fields even fail to harvest. [0003] Pichridam is a new type of neonicotinoid insecticide with high efficiency, low toxicity and broad spectrum. In particular, rice planthopper has a good effect, but due to the increase of drug resistance, it is becoming increasingly difficult to control it with conventional pesticides. Therefore, it is urgent to develop new meth...

Claims

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Application Information

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IPC IPC(8): A01N43/90A01N37/40A01N25/04A01P7/04
CPCA01N25/04A01N37/40A01N43/90
Inventor 吴重言吴成伟熊燕玲吴静陆静吴言富徐其文许中怀
Owner 江苏克胜集团股份有限公司
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