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Nematicidal combination comprising paecilomyces lilacinus and carbosulfan

A technology of Paecilomyces lilacinus and Paecilomyces purple, applied in the field of agricultural chemistry, can solve the problems of large amount of use, easy to produce drug resistance, unsatisfactory effect, etc., and achieve the effect of reducing the amount of use

Active Publication Date: 2012-04-11
德强生物股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

However, this pesticide also has problems such as large dosage when used alone to kill nematodes, unsatisfactory effect, and long-term single-dose use is easy to produce drug resistance.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Example 1 Control effect of Paecilomyces lilacinus and carbosulfan composition on rice root-knot nematode

[0026] Applying Paecilomyces lilacinus and Carbosulfan to treat rice root-knot nematodes, including single application to control rice root-knot nematodes and mixed application of two active ingredients to control rice root-knot nematodes, the application method is to apply root irrigation to the root soil, The concentration of Paecilomyces lilacinus pesticide is 500 million live spores / gram, and the application dosage is calculated by the weight applied per mu (667 square meters), and the application dosage of Carbosulfan is calculated by the applied weight per mu (667 square meters). , apply pesticides to root-knot nematodes of the same nematode disease, measure the control effect in 24 hours, repeat the test 5 times, and calculate by the average value. The value of the control effect refers to the percentage of nematode killing, and the synergistic situation of...

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PUM

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Abstract

The invention relates to nematicidal combination comprising paecilomyces lilacinus and carbosulfan. The combination comprises the paecilomyces lilacinus and the carbosulfan. The weight rate of the paecilomyces lilacinus to the carbosulfan is 100-1000 : 1-4, wherein the quantity of living bacterium of the paecilomyces lilacinus is 1-100 hundreds of millions cfu / g. The two pesticides in the combination of the invention are synergy in the prevention of the nematode, and the chemical pesticide and the microbial pesticide jointly act well. The invention realizes the action of simultaneously preventing the nematodes and the other pests by implementing the drug for one time. The combined use of the two pesticides greatly reduces the single use quantity of the pesticide.

Description

technical field [0001] The invention belongs to the field of agricultural chemistry, in particular to a nematicide composition comprising Paecilomyces lilacinus and Carbosulfan. Background technique [0002] Nematodes, also known as worms, belong to the class Nematodes of the phylum Nematodes of invertebrates. The symptoms of plant damage caused by nematodes have been treated as diseases for a long time. Compared with pathogenic microorganisms such as fungi, bacteria, and viruses, pathogenic nematodes have the characteristics of actively tending and piercing the host with a stylet, and transferring and causing damage by themselves. The damage caused by nematodes is not only the reduction of yield and quality due to the absorption of plant nutrients, but also the excessive growth of plant root cells into galls, the loss of the ability to absorb nutrients and water, and the death of plants; Attacks by pathogenic bacteria cause crop diseases. [0003] Although great progress ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N63/04A01N47/24A01P5/00
Inventor 孙新宇王敏刘伟徐艳吉
Owner 德强生物股份有限公司
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