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Pesticide composition containing isofenphos-methyl

A technology of methyl isoflophos and a pesticide composition, applied in the directions of biocides, animal repellents, plant growth regulators, etc., can solve the problems of plundering the nutrition of host plants, yield loss, etc., to improve the control effect, reduce the Contamination, the effect of increased sites of action

Inactive Publication Date: 2017-12-29
HUIZHOU WULING KANGTAI HEALTH TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Plant parasitic nematodes are a class of pathogenic microorganisms that are extremely harmful. They have a wide range of distribution, a wide variety, and strong environmental adaptability. They can parasitize in the roots, stems, leaves, seeds, sprouts, and fruits of plants. Cause mechanical damage to the host plant, and plunder the nutrition of the host plant, especially its esophageal gland secretion will cause a series of pathological changes in the host plant, and will also infect the host plant together with other pathogenic microorganisms, causing complex diseases, resulting in huge loss of yield

Method used

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  • Pesticide composition containing isofenphos-methyl
  • Pesticide composition containing isofenphos-methyl

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Take the golden waist arrow leaves, clean them and put them in the glass greenhouse to dry, then wrap them with old newspapers and put them in a constant temperature oven, dry them at 50°C until the water content is less than 6%, and finally crush them with a grinder until they pass 80 mesh Sieve to obtain dry powder, weigh 100g of dry powder and put it into a filter paper cylinder, seal up and down and put it into a Soxhlet extractor, add 650ml of 99.5% methanol to the round bottom flask, and heat it in a water bath at a constant temperature of 75°C. After 24 hours of circular extraction, the extract was concentrated in a vacuum rotary evaporator to nearly dryness, and then placed in an oven at 50°C to be concentrated to dryness to obtain Golden Waist Arrow Extract A.

Embodiment 2

[0027] Take the golden waist arrow leaves, clean them and put them in the glass greenhouse to dry, then wrap them with old newspapers and put them in a constant temperature oven, dry them at 50°C until the water content is less than 6%, and finally crush them with a grinder until they pass 90 mesh Sieve to obtain dry powder, weigh 100g of dry powder and put it into a filter paper cylinder, seal up and down and put it into a Soxhlet extractor, add 700ml of 99.5% methanol to the round bottom flask, and heat it in a water bath at a constant temperature of 70°C. After 24 hours of circular extraction, the extract was concentrated in a vacuum rotary evaporator to nearly dryness, and then placed in an oven at 50°C to be concentrated to dryness to obtain Golden Waist Arrow Extract B.

Embodiment 3

[0029] The contents of the following substances are all percentages by weight: Golden Waist Arrow Extract A (derived from Example 1) 20%, isofenphos-methyl 2%, C 12-14 Alcohol polyoxyethylene ether 8%, ethyl acetate 5%, doubly killed 2%, sec-butyl acetate to make up to 100%. The above materials are mixed in proportion, and after stirring and dissolving completely, 22% golden waist arrow extract A · isofenphos-methyl emulsifiable concentrate can be prepared.

[0030] Use the above 22% golden waist arrow extract A · isofenphos-methyl EC for the prevention and treatment of peanut root-knot nematode: 22% golden waist arrow extract A · methyl isofenphos EC is applied at 1000g a.i. / ha, 60d after the medicine The control effect on peanut root-knot nematode is 76.26%; 20% golden waist arrow extract A EC is applied at 1000g a.i. / ha, and the control effect on peanut root-knot nematode is 41.65% 60 days after application; 2% isofenphos-methyl The EC was applied at 1000g a.i. / ha, and the...

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Abstract

The invention discloses a pesticide composition containing isofenphos-methyl. The effective active components of the pesticide composition comprise Synedrella nodiflora extract and the isofenphos-methyl, wherein the weight ratio of the Synedrella nodiflora extract to the isofenphos-methyl is 40:1-1:10. The pesticide composition has the advantages that the pesticide composition has an excellent control effect on nematodes such as peanut root knot nematodes and sweet potato tuber nematodes and is lasting in effect and safe to crops; the Synedrella nodiflora extract and the isofenphos-methyl are combined to achieve an evident synergic effect, pesticide use amount can be reduced, application cost can be lowered, pollution to environments can be relieved, the generation of the pesticide tolerance of the nematodes can be delayed, and pesticide service life is prolonged.

Description

technical field [0001] The invention relates to a pesticide and insecticidal composition and its application field, in particular to a binary composition compounded with an extract of the golden waist arrow and isofenphos-methyl as effective active ingredients, which is mainly used for the prevention and control of nematodes on crops. Background technique [0002] Plant parasitic nematodes are a class of pathogenic microorganisms that are extremely harmful. They have a wide range of distribution, a wide variety, and strong environmental adaptability. They can parasitize in the roots, stems, leaves, seeds, sprouts, and fruits of plants. Cause mechanical damage to the host plant, and plunder the nutrition of the host plant, especially its esophageal gland secretion will cause a series of pathological changes in the host plant, and will also infect the host plant together with other pathogenic microorganisms, causing complex diseases, resulting in huge loss of yield . [0003]...

Claims

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Application Information

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IPC IPC(8): A01N65/12A01N57/30A01P5/00
CPCA01N57/30A01N65/00A01N65/12A01N2300/00
Inventor 不公告发明人
Owner HUIZHOU WULING KANGTAI HEALTH TECH CO LTD
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