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Propagating agent for preventing fungus in field

A bio-control fungal and field technology, applied in biocides, fungicides, biocides, etc., can solve the problems of high cost, complicated application methods, and insignificant effects.

Inactive Publication Date: 2009-07-08
何松庆
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The technical problem to be solved and the technical task proposed by the present invention are to overcome the shortcomings of the prior art such as complicated application methods, high cost, and inconspicuous effect, and provide a field multiplication agent for biocontrol fungi

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0063] Example 1. Prevention of botrytis cinerea in vegetables and strawberries

[0064] The strains used in this example are two strains of Trichoderma fungus Trichoderma harzianum (numbered T25 and T96).

[0065] The formula of the spore meal medium: 600 grams of wheat bran, 380 grams of rapeseed cake, 20 grams of meat and bone meal, 1.0 grams of potassium dihydrogen phosphate, 1.0 grams of potassium nitrate, and 1.0 grams of sodium tetraborate. Nutrition base formula: 600 grams of wheat bran, 380 grams of rapeseed cake, 20 grams of meat and bone meal, 1.0 grams of potassium dihydrogen phosphate, 1.0 grams of potassium nitrate, 1.0 grams of sodium tetraborate, the particle size of the nutrition base is below 5mm.

[0066] The weight ratio of spore powder and nutrient base is 25:75, the first application rate is 120 kg per hectare before the onset of crops in the disease season, and the application rate is 45 kg per hectare after one month interval. The second time, the dise...

example 2

[0067] Example two, the prevention of cotton blight (also known as cotton seedling blight)

[0068] The strain used in this example is a strain of Trichoderma fungus Trichoderma harzianum (self-numbered T96).

[0069] The formula of the spore meal medium: 500 grams of wheat bran, 380 grams of rapeseed cake, 100 grams of corn flour, 20 grams of meat and bone meal, 1.0 grams of potassium dihydrogen phosphate, 1.0 grams of potassium nitrate, and 1.0 grams of sodium tetraborate. Nutrition base formula: 500 grams of wheat bran, 380 grams of rapeseed cake, 100 grams of rice flour, 20 grams of meat and bone meal, 1.0 grams of potassium dihydrogen phosphate, 1.0 grams of potassium nitrate, 1.0 grams of sodium tetraborate, the particle size of the nutrition base is 2.5mm the following.

[0070] The weight ratio of spore powder and nutrient base is 30:70. Apply 45 kg per hectare before the seedlings are planted, and then apply 30 kg per hectare after 2 months. In this example, a total ...

example 3

[0071] Example 3. Prevention of peanut blight

[0072] The strain used in this example is a mixed strain of Trichoderma fungus Trichoderma harzianum (numbered T96) and Trichoderma viride (numbered T32).

[0073] The formula of the spore powder medium: 500 grams of wheat bran, 400 grams of rapeseed cake, 100 grams of corn straw powder, 1.0 grams of potassium dihydrogen phosphate, 1.0 grams of potassium nitrate, and 1.0 grams of sodium tetraborate. Nutrition base formula: 500 grams of wheat bran, 400 grams of rapeseed cake, 100 grams of corn straw powder, 1.0 grams of potassium dihydrogen phosphate, 1.0 grams of potassium nitrate, 1.0 grams of sodium tetraborate, the particle size of the nutrition base is below 2.0mm.

[0074] The weight ratio of spore powder and nutrient base is 35:65, and it is applied before planting, 45 kg per hectare, and 30 kg per hectare at intervals of 2 months. In this example, it is applied twice, and the disease prevention effect reaches 95%.

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PUM

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Abstract

The invention discloses a field propagation agent for biocontrol fungus, which belongs to an application of microorganism. The existing product has the defects of complex application method, higher cost, unobvious effect, and the like; the invention is formed by evenly mixing a biocontrol fungus spore agent and nutrient medium, wherein, the biocontrol fungus spore agent is a solid, liquid or a mixture of the solid and the liquid obtained for cultivating the biocontrol fungus and contained with a great amount of biocontrol fungus spores and a small amount of live mycelium. The field propagation agent for the biocontrol fungus is applied to the humid field soil surface, the nutrient medium provides nutrition for the biocontrol fungus, so that the biocontrol fungus grows and propagates on the soil surface, therefore, not only the fungus diseases at the root parts and the stem base parts of the plants can be prevented, and simultaneously, the fungus diseases at the stem, the leaf, the flower and the fruit parts of the plants can be prevented. The field propagation agent for the biocontrol fungus has the yield increasing effect to the crops after being applied.

Description

technical field [0001] The invention belongs to the field of microorganism application, and in particular relates to a product for preventing fungal diseases of plants by using biocontrol fungi. Background technique [0002] Nowadays, plant fungal diseases have restricted the high yield, stable yield and high quality of crops. As people's requirements for pollution-free and pollution-free green organic food are increasing day by day, experts and scholars have spared no effort in the research of biological control without chemical pesticide residues, and have screened out Trichoderma, Gliosis, Shell mold and Chaetomium , Paecilomyces lilacinus and other fungi that have the function of antagonizing disease fungi and can be used for biological control (abbreviation: biocontrol fungi). [0003] Studies have confirmed that biocontrol fungi can effectively antagonize a variety of plant disease fungi such as Fusarium spp. To achieve the purpose of preventing plant diseases. Fiel...

Claims

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Application Information

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IPC IPC(8): A01N63/04A01N25/00A01P3/00
Inventor 何松庆
Owner 何松庆
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