Seedling identification method of purity of palmatum leaf pigment gland double labeled hybrid cotton seeds

A dual-label, hybrid cotton technology, applied in the fields of seed and rhizome treatment, botanical equipment and methods, plant genetic improvement, etc., can solve the problems of the technical level of the appraiser and the influence of the appraisal experience, and achieve the rapid and high application value of the identification method. , to ensure the effect of production quality

Inactive Publication Date: 2012-08-22
HENAN ACAD OF AGRI SCI
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Problems solved by technology

However, the traditional concept believes that the identification results of the seedling morphology identification method are easily af

Method used

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  • Seedling identification method of purity of palmatum leaf pigment gland double labeled hybrid cotton seeds
  • Seedling identification method of purity of palmatum leaf pigment gland double labeled hybrid cotton seeds

Examples

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Embodiment 1

[0022] Example 1: In 2006, the Institute of Plant Protection of Henan Academy of Agricultural Sciences conducted a double-labeled cotton hybrid seed label on chicken paw leaves and pigment glands produced by 861 seed producers in 6 administrative villages in hybrid cotton seed production bases such as Luyi County. Miscellaneous A1 (maternal YmR 1 ×Paternal Y 2-2 ) for sampling identification, and counted 150 seeds from the sample of each household when the hybrids were purchased, and identified them according to the following method:

[0023] (1) Randomly take 150 tested seeds and sow them in the fine sofa germination bed. After sowing, keep the temperature and humidity required for the germination of cotton seeds.

[0024] (2) Each batch needs to sow 150 seeds of the male parent and female parent of the tested seeds at the same time in the same way, and a repetition group is used as a control;

[0025] (3) After the cotton seedlings grow for 7 days, and when the cotyledons ...

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Abstract

The invention relates to a seedling identification method of the purity of palmatum leaf pigment gland double labeled hybrid cotton seeds, which comprises the following steps of: respectively sowing pigment gland labeled hybrid cotton F1 and male and female parent seeds thereof, and observing the presence and the amount of pigment glands on seedling necks and cotyledon, wherein pigment-glandless seeds are male parent seeds or seeds mixed with other pigment-glandless cotton, seeds with the pigment gland density between male parent seeds and female parent seeds are F1 hybrid seeds, and seeds with higher pigment gland density are female selfing parents or seeds mixed with other multi-pigment gland cotton; and determining the purity of F1 hybrid seeds according to the total number of measured cottonseeds and the quantity of seedlings with male parent, female parent and intermediate type pigment gland characters. The method provided by the invention is simple and easy to implement, fast and reliable, and solves the identification difficult problem of the purity of cotton hybrid seeds. The seed purity can be sampled for inspection at any time in the processes of acquisition, processing, storage, transportation and sale of hybrid cotton seeds according to needs, so that the production quality of the seeds is ensured, and the legitimate rights and interests of producers, sellers and users of the hybrid cotton seeds are protected.

Description

technical field [0001] The invention relates to a method for identifying the purity of agricultural crop seeds, in particular to a method for identifying the purity of seedlings of chicken paw leaf pigment gland (pigment gland) double-marked hybrid cotton seeds. Background technique [0002] With the advancement of science and technology and the development of agricultural production technology, more and more excellent varieties have made significant contributions to high and stable agricultural yields. High-yield, high-quality, and disease-resistant varieties are becoming more and more popular among farmers. Cotton hybrids have excellent traits such as high yield, high quality, insect resistance, and disease resistance. The application of cotton hybrids plays an important role in improving the production level of cotton production in my country. my country's current hybrid cotton planting area is more than 1 million hectares, and more than 90% of the cotton hybrids used i...

Claims

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Application Information

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IPC IPC(8): A01C1/00A01H1/02
Inventor 杨修身马奇祥刘佳中王振宇
Owner HENAN ACAD OF AGRI SCI
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