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Soybean root rot disease composite biocontrol fungi granule and preparation method thereof

A technology for soybean root rot and biocontrol fungi, applied in botany equipment and methods, biocides, plant growth regulators, etc.

Inactive Publication Date: 2007-03-14
NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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  • Abstract
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AI Technical Summary

Problems solved by technology

At present, there is no special biological agent for soybean root rot at home and abroad

Method used

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Embodiment Construction

[0011] The present invention is the main content of the innovative engineering project of the Chinese Academy of Sciences "Research on Biological Control Technology of Crop Diseases, Insects and Weeds". During January 2004-May 2005, the invention was used for production at the Northeast Institute of Geography and Agricultural Ecology, Chinese Academy of Sciences. Its products were applied in the field in Hailun City, Heilongjiang Province and the Hailun Agricultural Ecological Experiment Station of the Chinese Academy of Sciences from May to October 2005. The specific dosage was 30-45kg / ha, and the application area was 150 hectares. Obvious control The control effect on soybean root rot reaches 53.7%-68.5%.

[0012] The invention contains a variety of biocontrol fungi capable of preventing and treating soybean root rot, and has a wider control range than a preparation containing a single biocontrol fungus, and has complementary effects. It can effectively control the root rot...

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Abstract

The invention belongs to the field of agricultural production technologies. It is a composite biocontrol fungi particles agent of soybean root rot and its preparation method. The invention is granular formulations and its production process which takes the four Trichoderma and Chaetomium fungi separated from natural soil as the mainly effective ingredients and is mainly used for the prevention and treatment of bean root rot. The present invention changes the disorder prevention and cure limits of applying biocontrol agents made of a single Trichoderma, in the invention there are multiple biocontrol fungi which has preventing and curing effect on the crop root rot, and compared with agent with single biocontrol fungi it has a lot advantages such as wide control scope and complementary role. The granules agent is proper for controlling root rot of plants, crops, trees and flowers, and it is also has promoting effect on crops, meanwhile it is right for people and livestock and crop safety, with advantages such as long-term action, no pollution to the environment, easy application and low-cost.

Description

technical field [0001] The invention belongs to the technical field of agricultural production. The invention relates to a compound type biocontrol fungus granule for soybean root rot and a preparation method thereof. technical background [0002] Root rot is very common in the planting industry. Crops such as soybeans, cucumbers and other solanaceous vegetables and various Chinese medicinal materials are affected by it. Since the disease occurs at the seedling stage, it has a great impact on crop growth. In particular, soybean root rot is the main soybean disease in my country. In severe areas, the diseased field is 100%, and the diseased plant rate is more than 80%. Root rot of crops is caused by complex infection of a variety of pathogens, the main pathogens are a variety of Fusarium spp., Rhizoctonia solani and Pythium spp. and so on. Taking soybeans as an example, under normal circumstances, it can cause a 5%-10% yield reduction, and in severe cases, it can reach more...

Claims

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Application Information

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IPC IPC(8): A01N63/04A01N25/12A01P1/00
Inventor 许艳丽李春杰
Owner NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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