Functional bactericide for preventing and treating root-knot nematode

Abstract

The invention provides a functional bactericide for preventing and treating root-knot nematode.The functional bactericide comprises an azotobacter bactericide, a biocontrol bacterium bactericide and a carrier, and the mass ratio of the azotobacter bactericide to the biocontrol bacterium bactericide to the carrier is (1-2.5):(1.5-5):1.The azotobacter bacterium bactericide contains nodule bacteria and azotobacter chroococcum, and the living bacterium count ratio of nodule bacteria to azotobacter chroococcum is (1-100):(1-200).The biocontrol bacterium bactericide contains paecilomyces lilacinus, verticillium chamydosporium, bacillus subtilis and bacillus cereus, and the living bacterium count ratio of paecilomyces lilacinus to verticillium chamydosporium to bacillus subtilis to bacillus cereus is (1-100):(1-100):(1-100):(1-100).The living bacteria count of the functional bactericide is larger than 0.2 billion / g.When applied to fertilizer, the functional bactericide can improve the disease preventing effect and the growth promoting effect of microbial fertilizer, guarantee nutrition supply of microbial fertilizer in the applying process, achieve the effects of preventing and treating root-knot nematode, forming healthy root nodules and promoting plant growth, increase the yield of crops and improve the quality of crops.

Description

technical field [0001] The invention belongs to the field of agriculture, and in particular relates to a functional bacterial agent for controlling root-knot nematodes and its application in fertilizers. Background technique [0002] Root-knot nematodes have caused a reduction in the yields of crops and commercial crops in my country, and have caused great losses to my country's agricultural economy. In the root-knot nematode-infected soil, root-knot nematodes, crops and rhizosphere microorganisms constitute a small ecosystem, indicating that the occurrence of root-knot nematode disease has a very important relationship with rhizosphere microorganisms. As a stubborn soil disease, root-knot nematode directly harms the nutrient absorption of crop roots. Antagonistic microorganisms are an important way of biological control, and the main disease-preventing bacteria have been screened and applied. Among them, there are three main types of soil microorganisms, bacteria, fungi a...

AI Technical Summary

Problems solved by technology

This patent technology discloses that a microbial preparation composed of four bacteria consisting of Streptomyces avermitilis, Paecilomyces lilacinus, Verticillium chlamydoides and Bacillus sphaericus is used to prevent and control root-knot nematodes and inhibit the abundance of Bacillus in nematode eggs low, it is not conducive to its survival in the complex microbial flora,

Images