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Spring pakchoi bolting resistant property identification method

An identification method and bolting-resistant technology, applied in horticultural methods, botanical equipment and methods, horticulture, etc., can solve the problem of identification methods, inability to grasp the bolting resistance of breeding materials, restricting the development and in-depth research of spring pakchoi breeding, etc. problem, to speed up the process, promote the development and in-depth research

Inactive Publication Date: 2007-09-26
JIANGSU ACAD OF AGRI SCI
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Problems solved by technology

[0005] The present invention aims at existing in the production and breeding of spring pakchoi in the prior art, because there is no identification method and evaluation standard for the bolting resistance of spring pakchoi varieties and materials, resulting in the inability to determine whether the varieties used as spring pakchoi in current production are It is suitable for planting spring pakchoi to establish access conditions and standards based on bolting resistance; at the same time, it is impossible to accurately grasp the bolting resistance of breeding materials in spring pakchoi breeding, which seriously restricts the development of spring pakchoi breeding In view of the shortcomings of in-depth research, a method for identification of bolting resistance of spring pakchoi is provided, which can identify and screen out varieties suitable for planting as spring pakchoi, and eliminate varieties with high bolting resistance index and poor bolting resistance, so as not to be selected due to Losses due to early bolting due to inappropriate varieties

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  • Spring pakchoi bolting resistant property identification method
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Embodiment Construction

[0034] A method for identifying bolting resistance of spring pakchoi, comprising:

[0035] 1. In Nanjing City, Jiangsu Province, sow seeds in plastic greenhouses from October to November to keep warm and raise seedlings. When the seedlings are 30 to 40 days old and have 5 to 6 leaves, choose sunny days with cold tails and warm heads to plant in plastic greenhouses in the morning. The row spacing between plants is 25cm×25cm. The survey was conducted from March 5th to 10th in the following spring;

[0036] 2. The grading standard for bolting resistance investigation of spring Chinese cabbage is set as:

[0037] Grade 0, no buds, shortened stems without elongation;

[0038] Grade 1, with buds, shortened stem <1cm;

[0039] Grade 3, with buds, shortened stems are obviously elongated, and the length of shortened stems is 1-2cm;

[0040] Grade 5, bolting, stalk length 2-5cm;

[0041] Grade 7, bolting, and the length of the sprouts is more than 5cm;

[0042] Grade 9, flowering,...

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Abstract

A method for appraising the bolting tolerance of small Chinese spring cabbage features that 7 varieties of small Chinese cabbage, which have obvious gradient difference in bolting tolerance are chosen as the standard varieties and the budding period and the length of bolt are used as the form standards to obtain 6 bolting tolerance classing standards and 5 appraising classes.

Description

1. Technical field [0001] The invention relates to a method for identifying the bolting resistance of spring pakchoi, which belongs to the technical field of plant breeding and selection, and is specially used for screening, identifying, and evaluating the winter sex strength and bolting resistance of spring pakchoi materials, and provides evaluation basis for production and scientific research . 2. Technical background [0002] For a long time, spring Chinese cabbage has been mainly cultivated sporadically based on local varieties (April slow, May slow, etc.), mainly to supply the Yangtze River Basin and the areas south of it. With the improvement of living standards, the demand for annual production and annual supply of pakchoi continues to grow, coupled with the adoption of the technology of planting spring pakchoi in winter and spring solar greenhouses in the Yellow River Basin and areas to the north, the production of spring pakchoi shows a trend of rapid growth. With ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G7/00A01G1/00
Inventor 苏小俊袁希汉李彬徐海
Owner JIANGSU ACAD OF AGRI SCI