Method for removing plant viruses in tomato plants by gossypol acetate

A technology of plant virus and gossypol acetate, applied in botany equipment and methods, chemicals for biological control, plant growth regulators, etc., to reduce environmental pollution and improve the level of pollution-free control

Inactive Publication Date: 2017-09-19
JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Can gossypol remove viruses from plants? The

Method used

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  • Method for removing plant viruses in tomato plants by gossypol acetate

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Embodiment Construction

[0011] The embodiment of the present invention adopts the method of indoor measurement.

[0012] The determination method is as follows:

[0013] 1. Inoculation of virus on tomato plants

[0014] Toxic bemisia tabaci were inserted into healthy tomato plant seedlings, and every 10 pots, that is, 10 seedlings were used as a repetition (put in the same insect cage), and 30 bemisia tabaci that had just emerged and carried tomato yellow leaf curl virus were inserted. , 7 days after inoculation, the whiteflies were removed and the tomato plants were used for subsequent treatments.

[0015] 2. Treatment of tomato seedlings with gossypol acetate

[0016] Tomato seedlings infected by Bemisia tabaci were treated by root irrigation, and the treatments were divided into 3 types, namely 200 mg / L gossypol acetate treatment, clean water control (that is, access to poisonous Bemisia tabaci) and clean water control without disease (that is, not inoculated with whitefly). Toxic Bemisia tabac...

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Abstract

The invention discloses a method for removing plant viruses in tomato plants by gossypol acetate. Aiming at the problem that virus antagonists in current production mainly have an efficacy of inhibiting virus replication, proliferation and the like, and an effective plant virus removal method for realizing viral disease treatment is not provided yet, adopting gossypol acetate for treating the tomato plants can completely remove tomato yellow leaf curl viruses in some tomato plants and remarkably decrease the content of the tomato yellow leaf curl viruses in plants incomplete in virus removal, and positive treatment of plant viral diseases is benefited. Compared with methods for controlling bemisia tabaci amount by adoption of disease and insect resistant varieties and chemical or physical means, methods for inhibiting viruses by adoption of virus antagonists, and the like in traditional tomato yellow leaf curl virus prevention and control in production, the method for removing the plant viruses in the tomato plants by gossypol acetate has advantages that treatment of the viral diseases can be realized, unique action mode and high safety are achieved, and the method has a great application prospect.

Description

1. Technical field [0001] The invention belongs to the technical field of pest control, and in particular relates to a method for removing tomato yellow leaf curl virus in tomato plants by using gossypol acetate. 2. Technical Background [0002] Tomato Yellow Leaf Curl Virus (Tomato Yellow Leaf Curl Virus, TYLCV) belongs to Geminiviridae (Geminiviridae) bean golden mosaic virus (Begomovirus) virus, is a single-stranded circular DNA virus, is the most important plant transmitted by whitefly Virus. Bemisia tabaci is highly invasive, and it has now commonly occurred all over the world, which has brought about the prevalence of tomato yellow leaf curl virus in many countries in Asia, Africa, America and other regions. Tomato yellow leaf curl virus has spread in China Most provinces such as Jiangsu, Zhejiang, and Yunnan have caused a large-scale reduction in tomato production and quality. In addition to harming tomatoes, TYVCV also infects a variety of plants including peppers,...

Claims

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Application Information

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IPC IPC(8): A01N35/04A01N37/02A01P1/00
CPCA01N35/04A01N37/02
Inventor 郭慧芳张凯丽张志春刘宝生
Owner JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
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