Compound preparation for killing nematodes

A technology for killing nematodes and preparations, which is applied to the field of combined preparations for killing nematodes, can solve problems such as unfavorable continuous control and unsatisfactory effects, and achieves the effects of reducing the amount of drug in the field, reducing the possibility of phytotoxicity, and improving the soil microenvironment

Active Publication Date: 2015-05-20
山东科大创业生物有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The test found that iprodione has a certain killing activity against plant nematodes, but the effect of iprodione alone is not ideal, and it is e

Method used

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  • Compound preparation for killing nematodes
  • Compound preparation for killing nematodes

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The synergistic effect of the composition of the present invention can be illustrated by the following tests: Indoor active biological assay example: iprodione and other active ingredients are tested and measured in the laboratory, for the convenience of expression, it is converted into a mass percentage to represent the compound pair root-knot nematode cucumber virulence assay

[0029] Test object: Cucumber root-knot nematode (Meloidogyne incognita)

[0030] The evaluation method is the liquid immersion method. The active ingredient was dissolved by adding an appropriate amount of acetone as required, and then diluted to 10000pPm with purified water as the mother solution of the test solution. Then dilute the mother solution to 2 times the concentration of the test, add 100 μl to each well of the 96-well plate, and then add the same amount of root-knot nematode suspension. The number of live and dead nematodes in each well was counted.

[0031] Drug efficacy calcula...

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Abstract

The invention discloses a compound preparation for killing nematodes. The compound preparation comprises effective components and an additive, wherein the effective components comprise iprodione and an active component, the active component is avermectin B2, carbosulfan, calcium cyanamide, fluopyram, amino-oligosaccharin, chlorpyrifos, imidacloprid, emamectin benzoate, phoxim, lentinan, an oligosaccharide, bacillus cereus, verticillium chlamydosporium or paecilomyces lilacinus, and the effective components account for 1-90% of the total mass of the compound preparation. The active component with good activity and matching rate is selected by carefully and repeatedly selecting and comparing various active components, and the compound preparation containing the carefully selected active component has significant nematode killing and synergistic effects. The nematodes which can be resistant to the single iprodione can not become resistant to the compound preparation.

Description

technical field [0001] The present invention is a nematicide combined preparation, which is characterized in that it contains iprodione, and other important related ingredients are added in order to overcome the resistance problem caused by long-term use of iprodione. Background technique [0002] Root-knot nematode (Meloidogyne) is a highly specialized omnivorous plant pathogenic nematode. Nematodes that are known to damage vegetables mainly include root-knot nematode high pedicle, root-knot nematode peanut, root-knot nematode northern, root-knot nematode cucumber, root-knot nematode java, and root-knot nematode beet. Nematodes have a wide range of hosts and often damage more than 30 kinds of vegetables such as melons, solanaceous fruits, beans, radishes, carrots, lettuce, and cabbage, and can also spread some fungal and bacterial diseases. [0003] The prevention and control of nematodes is currently a difficult problem in the world. For many years, many excellent chem...

Claims

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Application Information

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IPC IPC(8): A01N47/38A01N59/24A01N57/16A01N51/00A01N57/14A01N63/00A01N63/04A01P5/00A01N43/90A01N47/24A01N43/40A01N43/16
CPCY02A50/30
Inventor 陈建军
Owner 山东科大创业生物有限公司
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