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Composition for resisting tobacco powdery mildew

A technology of tobacco powdery mildew and composition, which is applied in the field of anti-tobacco powdery mildew composition, can solve the problems of toxicity and easy residue, and achieve the effect of reducing disease index, good control effect and good control effect

Active Publication Date: 2016-07-27
盐城咏恒资产管理有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chemical agents have certain toxicity and are easy to remain

Method used

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  • Composition for resisting tobacco powdery mildew

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Embodiment 1: a kind of anti-tobacco powdery mildew composition, comprises the raw material of following weight proportion: 7 parts of valine, 118 parts of magnesium sulfate, 82 parts of calcium chloride, 37 parts of camphor leaves, 34 parts share;

[0012] The preparation method is as follows: dissolving magnesium sulfate in water to form a solution with a mass fraction of 2.2%, then adding the dried Herba Cormata, decocting for 35 minutes, adding fresh camphor leaves, continuing decocting for 4 hours, and then cooling Bring to room temperature, add calcium chloride first to the decoction liquid, then add valine, stir evenly, let it stand for 11 days, filter, and the solid obtained after the filtrate is dried is crushed to 200 meshes to obtain the final product.

Embodiment 2

[0013] Embodiment 2: A kind of anti-tobacco powdery mildew composition, comprises the raw material of following weight ratio: 3 parts of valine, 100 parts of magnesium sulfate, 75 parts of calcium chloride, 32 parts of camphor leaves, 25 parts share;

[0014] The preparation method is as follows: dissolving magnesium sulfate in water to make a solution with a mass fraction of 3.2%, then adding the dried Herba Cottoni Herb, decocting for 30 minutes, adding fresh camphor leaves, continuing to decoct for 3 hours, and then cooling After reaching room temperature, add calcium chloride first to the decoction liquid, then add valine, stir evenly, let it stand for 10 days, filter, and the filtrate is dried and the solid obtained is crushed to 200 mesh to obtain the product.

Embodiment 3

[0015] Embodiment 3: a kind of anti-tobacco powdery mildew composition, comprises the raw material of following weight ratio: 10 parts of valine, 128 parts of magnesium sulfate, 90 parts of calcium chloride, 57 parts of camphor leaves, 44 parts share;

[0016] The preparation method is as follows: dissolving magnesium sulfate in water to make a solution with a mass fraction of 1.9%, then adding the dried Herba Cottoni Herb, decocting for 40 minutes, adding fresh camphor leaves, continuing to decoct for 5 hours, and then cooling Bring to room temperature, add calcium chloride first to the decoction liquid, then add valine, stir evenly, let it stand for 13 days, filter, and the solid obtained after the filtrate is dried is crushed to 200 mesh, that is.

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PUM

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Abstract

The invention relates to a composition for resisting tobacco powdery mildew.The composition is prepared from valine, magnesium sulfate, calcium chloride, yellow cinnamon leaves and sheathed monochoria herb, has the good control effect on tobacco powdery mildew and can lower disease indexes.On the basis of the production technology, the control effect on tobacco powdery mildew can be further improved, and the tobacco yield and quality are ensured.The composition has the advantages that the control effect on the tobacco powdery mildew is good, the disease indexes can be remarkably lowered, and the composition is safe, free of residues and more environmentally friendly.

Description

technical field [0001] The invention relates to a composition for resisting tobacco common diseases, in particular to a composition for resisting tobacco powdery mildew. Background technique [0002] Tobacco powdery mildew is a fungal disease caused by the infection of Ascomycota monothecia fungus, which occurs in various smoking areas in my country. Most of the powdery mildew pathogens are ectoparasitic, and all or most of the mycelium is exposed on the surface of the host plant. When the first disease occurs, a nearly round powdery hoarfrost is produced on the leaves, and then fused into powdery spots. The leaves are covered with leaves, causing the leaves to dry or fall off, the leaf tissue is necrotic, and the economic value is lost. Tobacco powdery mildew is easy to break out and become popular under suitable temperature conditions. With the increase of relative air humidity, the incidence speed is accelerated. [0003] At present, the main tobacco varieties K326 and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/40A01N59/08A01N59/06A01N37/44A01P3/00
CPCA01N37/44A01N59/06A01N59/08A01N65/00A01N65/40A01N2300/00
Inventor 刘云
Owner 盐城咏恒资产管理有限公司
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