Cotton breeding method and application of cold plasma treatment pollen

A technology of cold plasma and cotton, which is applied in the field of agriculture, can solve the problems of research and application of cold plasma treatment of pollen that have not yet been seen, and achieve the effect of shortening the breeding cycle and promoting gene exchange

Active Publication Date: 2017-10-31
SHANDONG PROVINCE SEEDS CO LTD
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

There is no research and application of cold plasma treatment of pollen in cotton breeding

Method used

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  • Cotton breeding method and application of cold plasma treatment pollen
  • Cotton breeding method and application of cold plasma treatment pollen
  • Cotton breeding method and application of cold plasma treatment pollen

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Embodiment 1

[0034] Embodiment 1 A kind of cotton breeding method of cold plasma treatment

[0035] Utilize the cotton breeding method of cold plasma treatment, specifically comprise the steps:

[0036] (1) Breeding materials that meet the breeding objectives are selected as key breeding objects and planted in the field.

[0037] The specific experimental materials are preferably LZ169, LZ158, LZ122, LZ120, LZ319, LZ347, LZ75 and LZ32.

[0038] (2) Pick off the flowers that will bloom in the cotton breeding material of step (1) and bring them back to the room, take off the petals at 8-9 o'clock in the morning to expose the pollen and place them in a cold plasma processor, using high-energy material aggregation , Cotton pollen is treated with non-ionizing radiation for 8-14 seconds at a treatment dose of 1-300W.

[0039] (3) Preserve the pollen treated with cold plasma under low temperature and dry conditions for timely pollination.

[0040] (4) Compared with the same batch of breeding m...

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Abstract

The invention discloses a cotton breeding method treating pollen with cold plasma and application thereof. The cotton breeding method comprises the following steps: 1) plucking parent flowers used for pollination and about to blossom in a cotton breeding material, taking off petals so as to expose pollen in a cold plasma treating machine and carrying out cold plasma treatment; 2) after pollination of pollen having undergone cold plasma treatment, carrying out resistance identification test and variety comparison test so as to obtain an excellent novel cotton hybrid variety and a novel breeding material; 3) subjecting the novel cotton hybrid variety to plantation and separation, selecting single plants to obtain an excellent selfing line and carrying out resistance identification test and variety comparison test so as to obtain an excellent novel conventional cotton variety; and 4) selecting a selfing line of an excellent shape as parents, carrying out hybridization and measurement matching so as to obtain a hybridized cotton combination and carrying out resistance identification test and variety comparison test so as to obtain an excellent novel hybridized cotton variety. With the advanced cold plasma treatment technology, the activity and combining ability of the pollen of cotton can be improved, and the vitality and pollen fertility of distant hybirdization F1 can be enhanced.

Description

technical field [0001] The invention belongs to the field of agriculture, and in particular relates to a cotton breeding method for cold plasma treatment of pollen and its application. Background technique [0002] Cotton (Gossypium spp.) is a plant of the genus Gossypium in the Malvaceae family and belongs to the crops of frequent cross-pollination. Since my country began to self-bred varieties in the 1960s, it has gradually replaced imported varieties with self-bred varieties, changing the situation of relying on imported foreign varieties. The breeding method is from systematic breeding in natural variation population to cross breeding. The method of cross breeding is from single cross to multiple cross, and intercross between lines. With the in-depth development of breeding work, the utilization of genetic resources of crop cultivars is increasingly unable to meet the needs of breeding. Breeders are increasingly turning their attention to the excavation and utilizatio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01H1/02A01H1/04
CPCA01H1/02A01H1/04
Inventor 邵长勇张丽丽王彦文邵娜李艳梁凤臣赵立静张晓明张烨梁超邵龙邵希言唐欣李德鑫
Owner SHANDONG PROVINCE SEEDS CO LTD
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