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Method for chemically and biologically preventing and controlling root-knot nematode of vegetables and crops

A technology of biological pesticides and chemical pesticides, applied in the fields of botanical equipment and methods, biocides, nematicides, etc., can solve problems such as unfavorable food safety, high economic cost, soil compaction, etc., and achieve good killing and inhibiting effects. , Improve the quality and yield, and kill the effect of good effect

Inactive Publication Date: 2019-03-26
新沂中凯农用化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current single nematocide cannot achieve a good effect and requires repeated application, resulting in high economic costs and high pesticide residues, which is not conducive to food safety; long-term use will also cause the problem of soil compaction
Microbial pesticides are greatly affected by the environment, and the killing rate of older adults is not high

Method used

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  • Method for chemically and biologically preventing and controlling root-knot nematode of vegetables and crops
  • Method for chemically and biologically preventing and controlling root-knot nematode of vegetables and crops

Examples

Experimental program
Comparison scheme
Effect test

Embodiment example 1

[0014] Implementation case 1 preparation of chemical pesticide phoxim microcapsule suspension

[0015] Mix 30% phoxim suspension concentrate with different proportions of water to dilute, and it is best to prepare on cloudy days or in the evening.

Embodiment example 2

[0016] Implementation Case 2 Preparation of Biological Pesticide Line Killer

[0017] The biological pesticide line is mixed with different proportions of water and diluted to obtain a medicinal solution.

Embodiment example 3

[0018] Implementation case 3 field implementation test of the present invention

[0019] The above-mentioned root-knot nematode method field efficacy test is as follows:

[0020] Purpose of the test: To conduct a field vegetable efficacy test on root-knot nematodes, and analyze the specific test results to confirm its real control effect.

[0021] Test conditions

[0022] Test object: root-knot nematode

[0023] Experimental vegetable varieties: greenhouse tomatoes, cucumbers

[0024] Test medicament: 30% phoxim microcapsule suspension, line-killed (the total concentration of Bacillus cereus is 1×10 9 ~1×10 10 cfu / ml); blank control: clear water

[0025] Test content

[0026] The same greenhouse of tomatoes containing root-knot nematode was divided into different small blocks, each with four treatments, a total of eight small blocks. Dilute phoxim 200 times + line extinguished 200 times (T1); phoxim diluted 300 times + line extinguished 200 times (T2); phoxim diluted 40...

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Abstract

The invention discloses a method for chemically and biologically preventing and controlling the root-knot nematode of vegetables and crops, relates to the technical field of root-knot nematode prevention and control, and is a method by adopting combination of chemical pesticide and biological pesticide. The efficient, safe, environment-friendly and economical method for preventing and controllingthe root-knot nematode of vegetables and crops can be used for effectively killing root-knot nematodes in the growing period of vegetables and crops, is convenient to use, can be used for improving the nutrition and fertilizer utilization of vegetables and crops, improving the immunity, disease prevention and disease resistance of vegetables and crops, improving the quality of vegetables and cropsand remarkably increasing yield, and can improve soil quality if being used for a long time so as to achieve the aim of environment-friendly prevention and control.

Description

Technical field: [0001] The invention relates to a method for controlling vegetable and crop root-knot nematodes with chemical and biological pesticides, belonging to the technical field of plant protection. Background technique: [0002] Root-knot nematode (Meloidogyne) is a highly specialized omnivorous plant pathogenic nematode. Root-knot nematode disease is one of the main diseases of vegetables, fruits and crops. The occurrence of root-knot nematodes can reduce production by 15-25%, and serious fields can even reach more than 80%, which seriously affects the production of vegetables, fruits and crops. and farmers' income. [0003] The occurrence of root-knot nematode is often accompanied by soil-borne plant diseases, which constitute multiple infestation, resulting in more serious losses. Soil-borne plant diseases have the characteristics of various host species, strong stress resistance, and difficult control. For a long time, the control of root-knot nematodes and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N63/00A01N57/14A01N25/28A01P5/00
CPCA01N25/28A01N57/14A01N63/00Y02A50/30
Inventor 张志高夏长松王通岭舒畅
Owner 新沂中凯农用化工有限公司
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