Compound microbial bactericide for controlling mulberry sclerotiose and application of bactericide

A technology of compounding fungicides and microorganisms, applied in the field of pesticides, to achieve the effects of no pollution to the environment, significant synergistic effects, and improved quality and yield

Active Publication Date: 2018-01-19
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved in the present invention is to overcome the defects and deficiencies of the existing mulberry ginkgo disease prevention and treatment technology, to provide a kind of non-toxic, pollution-free, efficient, zero residue prevention and treatment of mulberry ginkgo disease microbial compound fungicide and its application

Method used

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  • Compound microbial bactericide for controlling mulberry sclerotiose and application of bactericide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033]Embodiment 1 prepares the compound wettable powder of 50% Trichoderma harzianum and 2% difenoconazole (diluted 2000 times during use)

[0034] By mass percentage, the composition of this wettable powder is:

[0035] 50% Trichoderma harzianum conidia powder (10 10 / g), 2% difenoconazole (commercially available original drug), 1% glycerin, 2% Darun suspending agent DY6, 8% Tween-80, 4% sodium lignosulfonate, 0.3% ascorbic acid, Make up to 100% with diatomaceous earth; wherein, the mass ratio of conidia powder of Trichoderma harzianum to difenoconazole is 100:4.

[0036] The bioassay results are shown in Table 1.

Embodiment 2

[0037] Embodiment 2 prepares the compound wettable powder of 60% Trichoderma harzianum and 4% difenoconazole (diluted 2000 times during use)

[0038] By mass percentage, the composition of this wettable powder is:

[0039] 60% Trichoderma harzianum conidia powder (10 10 / g), 4% difenoconazole (commercially available original drug), 1% glycerin, 5% Darun suspending agent DY6, 10% Tween-80, 6% sodium lignosulfonate, 0.3% ascorbic acid, and The kaolin is supplemented to 100%; wherein, the mass ratio of conidia powder of Trichoderma harzianum to difenoconazole is about 100:7.

[0040] The bioassay results are shown in Table 1.

Embodiment 3

[0041] Embodiment 3 prepares the compound wettable powder of 60% Trichoderma harzianum and 6% difenoconazole (diluted 2000 times during use)

[0042] By mass percentage, the composition of this wettable powder is:

[0043] 60% Trichoderma harzianum conidia powder (10 10 / g), 6% difenoconazole (commercially available original drug), 1% glycerin, 5% Darun suspending agent DY6, 10% Tween-80, 3% sodium lignosulfonate, 0.3% ascorbic acid, Make up to 100% with kaolin; wherein, the mass ratio of conidia powder of Trichoderma harzianum to difenoconazole is 100:10.

[0044] The bioassay results are shown in Table 1.

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Abstract

The invention discloses a compound microbial bactericide for controlling mulberry sclerotiose and an application of the bactericide. The bactericide is prepared from a mixture of trichoderma harzianumand difenoconazole in the mass ratio being 100:(2-15). Further, the bactericide is prepared from 8%-75% of a main agent and 25%-92% of an auxiliary agent in percentage by mass; the main agent is themixture of trichoderma harzianum and difenoconazole and the auxiliary agent is a stabilizer, an auxiliary and filler. The compound microbial bactericide for controlling the mulberry sclerotiose has the significant synergistic effect, the incidence of the mulberry sclerotiose can be decreased to 4.6% after use, the control effect is as high as 91%, and the control effect is significantly superior to that of simple preparation; the dosage of chemical agents is reduced and the problem of pesticide residues in mulberries is solved. The compound bactericide has good fast-acting and lasting properties, can be absorbed after being applied 2 h and can significantly increase the yield of mulberries.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and relates to a microbial compound fungicide for preventing and treating mulberry ginkgo disease and its application. More specifically, it relates to a microbial compound fungicide of Trichoderma harzianum and difenoconazole that is environmentally friendly, pollution-free, and non-residual and can prevent and treat mulberry ginkgo disease. Background technique [0002] Mulberry ginkgo is a common name for sclerotinia, which is a fungal disease on mulberries, mainly caused by Sclerotinia sclerotiorum, Ciboria shiraiana, Ciboria carunculoides and Pathogens such as Scleromitula shiraiana infect the flowers of mulberry, and eventually cause the disease of mulberry fruit. When the onset of mulberry ginkgo disease is mild, it will affect the yield and quality of the mulberry fruit. When the disease is severe, the mulberry fruit cannot be matured normally, resulting in a large area of ​​mulberry ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N63/04A01N43/653A01P3/00
Inventor 黄振
Owner SOUTH CHINA AGRI UNIV
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