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Field identification method of verticillium wilt at cotton adult-plant stage

An identification method and Verticillium wilt technology, which is applied in the agricultural field, can solve the problems of large human error and high disease index value span, and achieve the effects of constant measurement value, low identification cost and reduced error

Pending Publication Date: 2019-05-17
甘肃省农业科学院作物研究所
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Problems solved by technology

[0008] The purpose of the present invention is to provide a field identification method for cotton verticillium wilt at the adult plant stage, aiming to solve the problems of high disease index value span and large human error in the existing cotton verticillium wilt identification method

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  • Field identification method of verticillium wilt at cotton adult-plant stage

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[0059] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0060] The application principle of the present invention will be further described below in conjunction with the accompanying drawings.

[0061] like figure 1 As shown, the field identification method of cotton adult plant stage verticillium wilt provided by the embodiments of the present invention specifically includes the following steps:

[0062] S101, divide the verticillium wilt disease finger into 7 grades.

[0063] S102, at the cotton adult stage, delineate the cotton plant area to be tested, and count the total number of cotton plants in the measured area, marked as n.

[0064] S103, measure the height of the co...

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Abstract

The invention belongs to the technical field of agriculture and discloses a field identification method of verticillium wilt at a cotton adult-plant stage. The method comprises the steps of dividing verticillium wilt into seven grades; at the cotton adult-plant stage, delimiting a tested cotton plant area, counting the total number of cotton plants in the tested area, and marking the number as n;measuring the heights of the cotton plants in all the measured areas, and marking the measured heights of the cotton plants as H; longitudinally cutting each measured plant along the center of a rootbase part to obtain two longitudinal sections, taking the root base part as a starting point, measuring the infection height of the verticillium wilt in the longitudinal sections, and respectively marking the measured infection height as h; calculating the disease condition index of the measured plant; and confirming an identification result of the verticillium wilt resistance of the tested plantsaccording to the obtained verticillium wilt index value of the tested cotton corresponding to the verticillium wilt index grade. According to the field identification method for the verticillium wiltat the cotton adult-plant stage, errors of manual measurement can be decreased, and measurement values are constant.

Description

technical field [0001] The invention belongs to the technical field of agriculture, and in particular relates to a field identification method for cotton verticillium wilt at the adult plant stage. Background technique [0002] At present, the existing technologies commonly used in the industry are as follows: [0003] Cotton verticillium wilt is one of the most important diseases in cotton production. The disease is a soil-borne vascular disease caused by Verticillium dahliae, which has a great impact on cotton yield. Production practice shows that it is currently the most economical and effective measure to fully exploit and utilize the defense system of the plant itself, and to breed and promote disease-resistant varieties. The core of breeding disease-resistant varieties is to identify and evaluate the disease resistance of varieties. Therefore, accurate identification of cotton Variety resistance to Verticillium wilt is the prerequisite for the genetic research of cott...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12Q1/18C12Q1/04C12R1/645
Inventor 冯克云南宏宇王宁杨蕊菊
Owner 甘肃省农业科学院作物研究所
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