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Tobacco black shank resistance disease nursery identification method

A tobacco black shank disease identification method technology, applied in the field of plant disease resistance identification, can solve the problems of high operation technology, small number of small species, limited variety of species, high cost, etc., and achieve good representation and natural irrigation conditions Good, low cost effect

Active Publication Date: 2011-01-05
YUNNAN ACAD OF TOBACCO AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The shortcoming of current identification method is that the collection, preservation and reasonable selection of bacterial strains for inoculation are long-term, continuous, high-tech, and costly work, and the number of races and species diversity used for inoculation are not consistent with field test methods. is always finite compared to

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  • Tobacco black shank resistance disease nursery identification method
  • Tobacco black shank resistance disease nursery identification method
  • Tobacco black shank resistance disease nursery identification method

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Abstract

The invention relates to a method for identifying tobacco black shank resistance in disease nursery. A continuous cropping tobacco field in a historical high occurrence area of the tobacco black shank disease is selected as a disease nursery; plants are inducted to develop the disease through the improvement of the field humidity, so that the complex operation of strain separated storage and culture is reduced; the strain is sourced from the field; the quantity and variety of the microspecies for inoculation are theoretically unlimited; and the method has better diversity and representativeness, and the inoculation conditions are under the control of nature, so the identification results reflect the local practical situation of the day more correctly. A one-off uprooting investigation method after the collection of the flue-cured tobacco is adopted so as to greatly reduce the workload, save the cost and bring about a correct and reliable result. The method is characterized by low costand simple and feasible operation. The method is an economical and practical method and has bright market and application prospect.

Description

A disease identification method for tobacco black shank resistance technical field The invention belongs to the technical field of plant disease resistance identification, in particular relates to the identification of tobacco black shank resistance, in particular to a method for identifying tobacco black shank disease resistance. Background technique Tobacco black shank is one of the most serious diseases of tobacco in the world, and it is also the main disease of tobacco in my country. It can harm all cultivated tobaccos such as flue-cured tobacco, air-cured tobacco, sun-cured tobacco, burley tobacco, and oriental tobacco. Tobacco leaves lost due to tobacco black shank accounted for about 1% to 2% of the total output in North Carolina, USA. In 1995 and 1996, the losses caused by black shank reached 36.1 million US dollars, accounting for the total loss of the disease. 35.13%, ranking first among all diseases. The disease has a wide distribution in my country, except Hei...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G7/00A01G1/00
Inventor 李梅云李永平刘勇卢秀萍高家合
Owner YUNNAN ACAD OF TOBACCO AGRI SCI
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