Method for controlling root-knot nematodes

A technology for root-knot nematode and root irrigation, which is applied in the field of crop disease and insect pest control, can solve the problems of poor root-knot nematode effect and the like, and achieves the effects of improving resistance, high insecticidal rate and simple operation.

Inactive Publication Date: 2017-09-19
LINFEN GUANGQI AGRI DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the method for farmers to control root-knot nematodes in greenhouses is high-temperature stuffy shed. Even if lime nitrogen is used at 70-80°C for 20-30 days in high-temperature stuffy sheds, the effect on root-knot nematodes is usually not good. , the insecticidal rate is usually 70%-80%

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A method for controlling root-knot nematodes. When crops are transplanted, chitin is first applied to the soil as a base fertilizer, and then the crops are transplanted, and Genwang, Jikeshan and Abamectin are mixed in a volume ratio of 5:2:1 The ratio is mixed, and the roots are flushed. A total of 5 times, the insecticidal rate is greater than 90%.

Embodiment 2

[0015] A method for controlling root-knot nematodes. When crops are transplanted, chitin is first applied to the soil as a base fertilizer, and then the crops are transplanted, and Genwang, Jikeshan and Abamectin are mixed in a volume ratio of 20:15:12 The ratio is mixed, and the roots are flushed. A total of 2 times, the insecticidal rate is greater than 90%.

Embodiment 3

[0017] A method for controlling root-knot nematodes. When crops are transplanted, chitin is first applied to the soil as a base fertilizer, and then the crops are transplanted, and Genwang, Jikeshan and Abamectin are mixed at a volume ratio of 2:2:1 The ratio is mixed, and the roots are flushed. A total of 3 times, the insecticidal rate is greater than 90%.

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PUM

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Abstract

The invention provides a method for controlling root-knot nematodes, which is simple in operation and has a killing rate of 90 percent. According to the technical scheme for solving technical problems, the method comprises the following steps: applying chitin serving as base fertilizer to soil; transplanting crops; mixing root-most, soft-guard and abamectin in a volume ratio of (5-20):(2-15):(1-12); and irrigating roots and fertilizing. The method is simple in operation and has a high killing rate, the killing time is greatly shortened in comparison with 20-30 days by adopting lime nitrogen, and the killing rate is increased from 70-80 percent to 90 percent as long as 2-5 times of killing is repeated. The method can be widely applied to the technical field of root-knot nematode control.

Description

technical field [0001] The invention relates to a method for controlling nematodes and belongs to the technical field of crop disease and insect pest control. Background technique [0002] Plant parasitic nematodes are one of the infectious pathogens of plants. They are widely parasitic on the roots, stems, leaves, flowers, buds and seeds of various plants, causing various nematode diseases in plants. At present, nematodes that are harmful to plants, plant parasitic nematodes mainly include: root-knot nematodes, reniform nematodes, cyst nematodes (Heteroderma genus, root spot nematodes (breviphyllous nematodes). Nematode damage affects plants' response to nutrition and water It also facilitates the invasion of plant pathogenic bacteria. There are more than 40 kinds found in our country, mainly including small rod nematodes, root-knot nematodes, cyst nematodes, root-rot nematodes, etc. Among them, root-knot nematodes are the most harmful to crops. Nematodes and cyst nematode...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01G13/00A01G17/00
CPCA01G17/005A01G13/00
Inventor 祁林
Owner LINFEN GUANGQI AGRI DEV CO LTD
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