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Method for preventing and curing root-knot nematode by utilizing benfuracarb and amino-oligosaccharin

A technology of amino oligosaccharins and carbofuran, applied in botany equipment and methods, nematicides, chemicals for biological control, etc., can solve the problem that crop yield and quality need to be improved, and the control effect is not significant enough , high pesticide residues and other issues, to achieve the effect of improving crop disease resistance, promoting plant synthesis of phytoalexin, and low input cost

Inactive Publication Date: 2014-05-21
HENAN INST OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The current chemical methods for controlling root-knot nematodes have the following problems: (1) high pesticide residues, (2) high input costs, (3) insufficient control effect, (4) need to improve the yield and quality of crops

Method used

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  • Method for preventing and curing root-knot nematode by utilizing benfuracarb and amino-oligosaccharin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Before sowing cucumbers, use 20% carbosulfan EC to dilute 4000 times, and use 60L of diluted solution per mu for soil spraying treatment;

[0034] Before planting cucumbers, use 20% carbosulfan EC to dilute 2000 times, and use 30L of diluted solution per mu for soil spraying treatment;

[0035] During the vegetative growth period of cucumber, according to the active ingredient ratio of carbosulfan and amino-oligosaccharin as 10:1, the mixed agent used for spraying is prepared, and the mixed agent is mixed according to the usage amount of 300g of active ingredient per mu. Spray evenly after watering, once every 30 days.

Embodiment 2

[0037] Before sowing cucumbers, use 20% carbosulfan EC to dilute 3000 times, and use 60L of diluted solution per mu for soil spraying treatment;

[0038] Before planting cucumbers, use 20% carbosulfan EC to dilute 3000 times, and use 60L of diluted solution per mu for soil spraying treatment;

[0039] During the vegetative growth period of cucumber, according to the active ingredient ratio of carbosulfan and amino-oligosaccharin as 5:1, the mixed agent used for spraying is prepared, and the mixed agent is mixed according to the usage amount of 200g of active ingredient per mu. Spray evenly after watering, once every 40 days.

Embodiment 3

[0041] Before tomato sowing, use 20% carbosulfan EC to dilute 4000 times, and use 45L of diluted solution per mu for soil spraying treatment;

[0042] Before tomato planting, use 20% carbosulfan EC to dilute 2000 times, and use 60L of diluted solution per mu for soil spraying treatment;

[0043] During the tomato vegetative growth period, according to the active ingredient ratio of carbosulfan and amino-oligosaccharin as 2:1, the mixed agent used for spraying is prepared, and the mixed agent is mixed according to the usage amount of 100g of active ingredient per mu. Spray evenly after watering, once every 45 days.

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PUM

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Abstract

The invention relates to a method for preventing and curing root-knot nematode by utilizing benfuracarb and amino-oligosaccharin. The method disclosed by the invention comprises the following steps: before seeding crops or field planting, diluting 20% benfuracarb missible oil by 2000-4000 times, and spraying soil by using 30-60 L of diluted solution per mu; or, blending 2-5 kg of 5% benfuracarb granules into soil per mu, and then spraying; and, in the vegetative growth period, preparing pesticide a mixture with the weight ratio of benfuracarb to amino-oligosaccharin of 10:1 to 1:2, and uniformly spraying after adding water into the pesticide mixture with the use amount of 100-300 g of effective components per mu, wherein the spraying is carried out for one time every 30-45 days. According to the method disclosed by the invention, management is convenient; the root-knot nematode in the whole crop growth period can be thoroughly prevented and cured; the prevention efficiency is high; the investment cost per mu is low; the amino-oligosaccharin and the benfuracarb are used in a mixed manner; the synergistic effect is obvious.

Description

technical field [0001] The invention relates to the technical field of chemical control of root-knot nematodes, in particular to a method for controlling root-knot nematodes by using carbosulfan and amino oligosaccharins. Background technique [0002] Root-knot nematode disease is caused by several nematodes of the genus Meloidogyne, the main species are M.incognita, M.arenaria, M. .hapla) and root-knot nematode (M.javanica), which account for more than 90% of the economic losses caused by the root-knot nematode genus. [0003] Root-knot nematodes mainly harm underground rhizomes, and lateral roots and fibrous roots are the most vulnerable, often forming a large number of nodular root knots. The above-ground part has no obvious symptoms when the disease is mild, and when the disease is severe, it shows symptoms such as poor growth, short plants, yellow and smaller leaves, and weak flowering. [0004] Root-knot nematodes spread with diseased residues, insect-carrying soil, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/24A01P5/00A01P3/00A01P1/00A01G13/00A01N43/16
Inventor 罗晓丹黄业新
Owner HENAN INST OF SCI & TECH
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