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Application of composite sodium chlorite powder in plant virus resisting

A compound sodium chlorite and anti-plant virus technology, which is applied in the field of pesticides, can solve the problems of complex and changeable actual conditions, rising incidence of viral diseases, lack of application technology, etc., achieve good promotion and application prospects, rapid anti-virus effect, The effect of great economic benefits

Inactive Publication Date: 2018-12-07
SOUTH CHINA AGRI UNIV +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the disinfectants currently used in the tobacco industry are relatively old, such as commercially available potassium permanganate, bleaching powder, and formalin. However, the actual situation in the production of flue-cured tobacco seedlings is complex and changeable, and there is a lack of standardized procedures in the operation process. Application of technology, anti-plant virus effect is very unsatisfactory, leading to an increase in the incidence of tobacco seedling virus diseases in the past ten years, bringing great economic losses to tobacco production

Method used

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  • Application of composite sodium chlorite powder in plant virus resisting
  • Application of composite sodium chlorite powder in plant virus resisting
  • Application of composite sodium chlorite powder in plant virus resisting

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Example 1 Research on the Killing Effect of Composite Sodium Chlorite Powder on Tobacco Virus

[0034] 1. Drugs and reagents

[0035] Table 1 The number and concentration of tested disinfectants

[0036]

[0037] 2. Disinfection object

[0038] Follow the steps below to obtain cultivation tools carrying CMV and PVY viruses:

[0039] (1) Tobacco leaves were infected with cucumber mosaic virus (CMV) and potato virus Y (PVY) at a concentration of 1 g / 50 mL;

[0040] (2) Acquisition of the source of the virus: 20 g of tobacco leaves with obvious symptoms infected with CMV / PVY (collected from the Plant Virus Laboratory of South China Agricultural University) were taken, and 1 L of phosphate buffer was fully ground to obtain the virus liquid (necessary , year-on-year volume magnification);

[0041](3) Toxic treatment of cultivation tools: take floating seedling trays, scissors, tweezers and other cultivation tools and immerse them in the virus solution for 30 min, take...

Embodiment 2

[0087] Embodiment 2 field control effect test

[0088] 1. Method

[0089] (1) Tobacco grown in fields with basically the same growth and management levels was selected as the experimental object, and randomly divided into 6 large experimental groups, each group treated 200 tobacco plants, and the same amount of mixed solution of CMV and PVY was sprayed on the surface respectively , with a concentration of 1 g / 50 mL.

[0090] Experimental group 1: Dilute the compound sodium chlorite powder with water at a rate of 1:300 and spray.

[0091] Experimental group 2: Dilute the compound sodium chlorite powder with water at a rate of 1:600 ​​and spray.

[0092] Experimental group 3: The compound sodium chlorite powder was diluted with water at 1:800 times and sprayed.

[0093] Experimental group 4: The compound sodium chlorite powder was diluted 1:900 with water and sprayed.

[0094] Experimental group 5: Dilute the compound sodium chlorite powder with water at a ratio of 1:1000 and ...

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Abstract

The invention discloses an application of composite sodium chlorite powder in plant virus resisting, particularly an application of composite sodium chlorite powder in plant virus resisting, and a plant virus resisting product and method. The composite sodium chlorite powder is applied to plant virus disinfection for the first time by the invention, and through detection, the composite sodium chlorite powder has good killing effects on cucumber mosaic viruses, potato Y viruses, banana streak viruses, rice black-streaked dwarf viruses and rice gall dwarf viruses, and the composite sodium chlorite powder is rapid and efficient in antivirus effects, harmless to plants, and the like. The composite sodium chlorite powder is low in cost and simple to operate by tobacco growers, has application value in actual production, and can be promoted in the tobacco industry as a novel plant virus disinfectant.

Description

technical field [0001] The invention belongs to the technical field of pesticides. More specifically, it relates to the application of compound sodium chlorite powder in anti-plant virus. Background technique [0002] Plant virus is an important source of disease that harms crops. It is commonly known as plant cancer because of its great harm and difficulty in prevention and control. In recent years, the harm of plant virus diseases on fruit trees, vegetables, flowers and various economic crops has become more and more serious. A large number of studies have proved that most of these diseases are caused by cucumber mosaic virus ( Cucumber mosaic virus , CMV) and potato virus Y ( Potato virus Y , PVY) cause. CMV is a member of the family Bromoviridae and the genus Cucumovirus. The virion has a spherical structure and its genome consists of three positive single-stranded RNAs. PVY is a typical member of the family Potyviridae and the genus Potyvirus. The virus particles ...

Claims

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Application Information

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IPC IPC(8): A01N59/08A01P1/00
CPCA01N59/08
Inventor 阮小蕾林壁润邓海滨陈泽鹏
Owner SOUTH CHINA AGRI UNIV