Synergistic pesticide composition and use thereof

A technology of a composition and a pesticide composition, applied in the application, insecticide, biocide and other directions, can solve the problems of insufficient pest effect and high production cost, and achieve the goal of overcoming pest resistance, reducing usage, and reducing field medication. amount of effect

Inactive Publication Date: 2010-04-07
SHENZHEN NOPOSION AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

According to the technical information released by Japan Pesticide Company, tolfenpyrad is not effective enough against pests such as Spodoptera litura

Method used

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  • Synergistic pesticide composition and use thereof
  • Synergistic pesticide composition and use thereof

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0014] Test object: Nilaparvata lugens (Stal): collected from Lingshui, Hainan and raised indoors to the second generation.

[0015] Test method: The test refers to the "People's Republic of China Agricultural Industry Standard NY / T1154.11-2008", using the rice stalk dipping method to pull out the strong rice plants from the tillering stage to the initial booting stage, wash them, and cut them into 15cm long with roots Rice stalks, 3 plants in groups, dry in the shade until there are no water marks on the surface. Soak the rice stems in the diluted medicament for 30 seconds, take them out and dry them, wrap the roots with soaked absorbent cotton and put them in the culture cup, and suck the mid-third instar nymphs into the culture cup, 20 per cup. Clean water control, repeat 3 times for each concentration. After treatment, they were raised in an incubator with a temperature of 27°C and a photoperiod of 16h:8h (L:D). Check the number of deaths after 4 days.

[0016] DPS data proc...

example 2

[0040] Test object: Plutella xylostella (Plutella xylostella), collected from Shenzhen Yulu Vegetable Farm, raised indoors to the second generation.

[0041] Test method: The test refers to the "People's Republic of China Agricultural Industry Standard" (Pesticide Indoor Bioassay Test Guidelines, Insecticide NY / T 1154.14-2008), and adopts the leaf dip method. Soak the cabbage leaves of the same size in the prepared medicinal solution for 10 seconds, take them out and dry in the shade, and put them in a petri dish with moisturizing filter paper; select third-instar larvae with uniform growth and put them in a petri dish for soak The leaves of the liquid medicine were reared, and each repeated 20 insects. Set clear water as a control, and each treatment was repeated 3 times. Place all the petri dishes in a white disk, and cover with two layers of wet gauze for moisture. They were placed in a light incubator at 25±1°C with a photoperiod of L:D=(12:12) h. The number of dead insects...

example 3

[0047] Test object: Plutella xylostella (Plutella xylostella), collected from Shenzhen Yulu Vegetable Farm, raised indoors to the second generation.

[0048] Test and statistical calculation method: the same as the bioassay example 2.

[0049] Table 3. Indoor virulence test results of tolfenpyrad and phoxim paired Plutella xylostella

[0050]

[0051] The test results (Table 3) show that when the ratio of tolfenpyrad and phoxim is between 40:1 and 1:40, it has a significant synergistic effect on the indoor virulence of Plutella xylostella, especially at 1:1~ When it is between 1:20, the synergistic effect is more obvious, and the co-toxicity coefficient is above 190.

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Abstract

The invention relates to a synergistic pesticide composition and use thereof. The synergistic pesticide composition is characterized in that active ingredients of the synergistic pesticide composition comprise tolfenpyrad and an organophosphorus insecticide. The organophosphorus insecticide comprises: chlorphrifos, profenofos, phoxim, diazinon and pyridaphethione or acephate. The pesticide composition of the invention has remarkable prevention and control effects on various pests on various crops such as rice, vegetable, fruit tree, cotton and the like. Compared with single dosage, the composition has the advantages of low dosage, improved effect, quick acting performance, extended release as well as contribution to delay of the generation and development of the medicament resistance in pest.

Description

Technical field [0001] The invention relates to a pesticide composition and its application, in particular to a synergistic compound composition of tolfenpyrad and its application in preventing and controlling crop pests. Background technique [0002] In recent years, due to single and unscientific use of pesticides, pests have developed varying degrees of resistance to many pesticides currently used, especially pests with large reproduction numbers and obvious generation overlap, such as diamondback moth, thrips, aphids, whiteflies , Planthoppers, etc., resistance develops quickly. For example, the diamondback moths in southern China have developed high levels of resistance to conventional pesticides such as organophosphates, carbamates, and pyrethroids, and even relatively novel varieties such as chlorfluazuron, fipronil, and abamectin. Insecticide varieties have also developed a higher level of resistance. There are few insecticide varieties that are still effective in produc...

Claims

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Application Information

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IPC IPC(8): A01N57/00A01N43/56A01N57/16A01N57/14A01N57/28A01P7/00A01P7/04
Inventor 孙华英曹明章文伯健朱卫锋王艳武孔建
Owner SHENZHEN NOPOSION AGROCHEM
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