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Application of benzoic acid in prevention and treatment of plant nematode diseases

A technology of plant nematodes and benzoic acid, applied in the fields of application, nematicides, plant growth regulators, etc., can solve the problems of low biohazard, tremor paralysis, unconsciousness, etc.

Active Publication Date: 2021-09-07
SOUTH CHINA AGRI UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Nematicides are currently one of the effective measures to prevent and control nematode diseases, but the current chemical nematocides are highly toxic and high-residue pesticides, which can easily cause pollution to crops and the ecological environment, such as abamectin, which is currently the main The nematicide with relatively low toxicity and the best efficacy
However, abamectin still has high biological hazards. When it is used in agricultural production, the crops obtained may cause human poisoning hazards to the eaters, including violating the nervous system and causing tremor paralysis, loss of consciousness, delirium, and dementia. Unclear or even coma and convulsions, muscle tremors, etc.
At the same time, the excessive and single use of abamectin has also caused the problem of drug resistance in its production

Method used

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  • Application of benzoic acid in prevention and treatment of plant nematode diseases
  • Application of benzoic acid in prevention and treatment of plant nematode diseases
  • Application of benzoic acid in prevention and treatment of plant nematode diseases

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Embodiment 1: Determination of the poisonous activity and egg hatching inhibitory activity of benzoic acid to root-knot nematode, cyst nematode and pine wood nematode

[0038] 1. Toxic activity and egg hatching inhibitory activity assay of benzoic acid to root-knot nematode, the method is as follows:

[0039] S1.1. Sample configuration of the solution to be tested:

[0040] Take 0.05g of benzoic acid and add 200μL of acetone to dissolve, add 10mL of sterile distilled water, pass through filter membranes with a pore size of 0.45μm and 0.22μm, and make a 5mg / mL sample of the solution to be tested, and then dilute the samples of the solution to be tested to the desired concentration. The concentration needs to be tested to obtain a series of different samples of the solution to be tested.

[0041] S1.2, preparation of second-instar larvae suspensions of root-knot nematode incognita and root-knot nematode javanica:

[0042] Rinse the root-knot nematode diseased roots of f...

Embodiment 2

[0070] Embodiment 2: Pot control test of benzoic acid and abamectin to root-knot nematode of spinach

[0071] 1. The experimental method is carried out through the following steps:

[0072] Mix the substrate soil well and put it into pots (diameter 7cm×height 7cm), each pot is filled with 250mL of soil, and the convolvulus seedlings (4-5 cotyledons) are transplanted into the pots, and the root irrigation treatment is carried out for the first time after one week of transplanting the seedlings, and each pot is watered. Drug 120mL (benzoic acid: 0.3mg / mL, 0.5mg / mL, 1.0mg / mL; abamectin: 0.05mg / mL), each group set 4 repetitions, with acetone and water as the control group, after 2 days each 360 second-instar larvae of Meloidogyne incognita and 480 eggs were potted, and the second root irrigation treatment was carried out 4 days after inoculation, with 80 mL of pesticide per pot, and the third root irrigation treatment was carried out 10 days after inoculation. Pouring 100mL, taki...

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Abstract

The invention relates to the technical field of prevention and treatment of plant diseases, in particular to application of benzoic acid in prevention and treatment of plant nematode diseases, wherein the benzoic acid is used as an effective component in nematicide. Based on the research result of the invention, the benzoic acid has strong toxic activity on various nematodes such as Meloidogyne, Heterodera, Bursaphelenchusxylophilus and the like, can be used for effectively preventing and treating plant nematode diseases, has the advantages of low harm to a human body, low toxicity, low residue, easiness in degradation, greenness, environmental protection and the like, and has good application values are realized in the aspects of preventing and controlling the plant nematodes and developing related medicament products.

Description

technical field [0001] The invention relates to the technical field of plant disease control, more specifically, it relates to the application of benzoic acid in the control of plant nematode diseases. Background technique [0002] Plant nematodes are one of the important pathogenic organisms of plants. With the development of agriculture towards industrialization and base, long-term large-scale planting of single crops, continuous cropping all year round and the increase of land reuse rate, the number of nematodes in the soil accumulates rapidly, leading to nematode diseases The problem is becoming more and more prominent. For example: root-knot nematodes (Meloidogyne) commonly occur on vegetables and fruit trees in southern my country and are seriously harmful. Since Guangdong is located in the Pearl River Delta, the soil is mostly sandy loam, which is especially suitable for the growth and development of plant nematodes. Therefore, the problem of nematode diseases is even...

Claims

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Application Information

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IPC IPC(8): A01N37/10A01P5/00
CPCA01N37/10
Inventor 文艳华魏孝义温亚娟杨小丽
Owner SOUTH CHINA AGRI UNIV
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