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High-resistance special millet variety breeding method
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A kind of millet and variety technology, applied in the field of breeding of high-resistant special millet varieties, can solve the problems of cumbersome procedures and high production costs
Inactive Publication Date: 2017-06-27
FUJIAN AGRI & FORESTRY UNIV
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Abstract
Description
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Problems solved by technology
At present, there are some "colorful rice" mixed with different color types of rice on the domestic and foreign markets, but there is no color formula millet sold for millet. If different types of millet are planted separately, milled, and then mechanically mixed in proportion to produce This method has cumbersome procedures and high production costs
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Embodiment 1
[0020] 1) Choose Jingu 13 (R), a rice blast-resistant variety, Daqinggu (P1), a green millet variety, Niangu 1 (P2), a waxy yellow millet variety, Jigu 30 (P3), a black millet variety Variety Dangu 2 (P4) is the hybrid parent;
[0021] 2) For hybridization R / P1, R / P2, R / P3, R / P4, get 4 hybrid F 1 , respectively with F 1 -1, F 1 -2, F 1 -3, F 1 -4 means; Plant F 1 -1, F 1 -2, F 1 -3, F 1 -4 each with 20 plants, harvested at maturity to get F 2 Generation Seed F 2 -1, F 2 -2, F 2 -3, F 2 -4;
[0022] 3) Plant F 2 -1, F 2 -2, F 2 -3, F 2 -4 450 plants each, carry out resistance identification, identify the resistance to valley blast, select high-resistant single plants for listing, select listed plants for harvesting at maturity, and conduct identification of grain color and waxiness, among which F 2 -1 Select 10 individual plants with green grains to get F 3 Generation Seed F 3 -1,F 2 -2 Select 10 individual plants with yellow waxy grains to get F 3 Generat...
Embodiment 2
[0032] 1) Choose Jingu 29 (R), a rice blast-resistant variety, Daqinggu (P1), a green millet variety, Niangu 1 (P2), a waxy yellow millet variety, Jigu 30 (P3), a black millet variety. Variety Dangu 2 (P4) is the hybrid parent;
[0033] 2) For hybridization R / P1, R / P2, R / P3, R / P4, get 4 hybrid F 1 , respectively with F 1 -1, F 1 -2, F 1 -3, F 1 -4 means; Plant F 1 -1, F 1 -2, F 1 -3, F 1 -4 each with 20 plants, harvested at maturity to get F 2 Generation Seed F 2 -1, F 2 -2, F 2 -3, F 2 -4;
[0034] 3) Plant F 2 -1, F 2 -2, F 2 -3, F 2 -4 550 plants each, carry out resistance identification, identify the resistance to valley blast, select high resistance single plants for listing, select listed plants for harvesting at mature stage, and conduct grain color and waxy identification, of which F 2 -1 Select 10 individual plants with green grains to get F 3 Generation Seed F 3 -1,F 2 -2 Select 10 individual plants with yellow waxy grains to get F 3 Generation ...
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Abstract
The invention provides a method for breeding high-resistant special millet varieties, which belongs to the technical field of special millet resistance breeding. In the present invention, green millet, yellow glutinous millet, white glutinous millet, black millet, and grain blast resistance varieties are used as hybrid parents, through hybridization and multi-generation backcrossing, and through resistance identification, seed coat color, waxiness, agronomy and yield, etc. Screening of traits, bred near-isogenic lines with green, yellow waxy, yellow, white waxy, white, and black grain traits, and the near-isogenic lines reproduced seeds respectively, and the propagated seeds were 1:1:1:1:1 : 1 or 1: 2: 1: 2: 1: 1 can be mixed to obtain the production seeds of special formula millet varieties. After planting, the mixed varieties have uniform leaf shape, agronomic traits, and yield traits, and are highly resistant to rice blast. The millet milled from the harvested millet is a mixed formula rice of green millet, yellow glutinous millet, yellow millet, white glutinous millet, white millet and black millet.
Description
technical field [0001] The invention specifically relates to a method for breeding high-resistant special millet varieties, and belongs to the technical field of special millet resistance breeding. Background technique [0002] Millet originated in my country and has a long history of cultivation. China is the only agricultural country in the world that started to develop from millet. According to the textual research on a large number of carbonized millet found in the Banpo site and Cishan site in Xi'an, millet has been cultivated in my country for more than 7,500 years. Millet is a self-crossing crop with slight cross-pollination ability, which can produce hybrid variation and can be segregated and preserved. Millet is resistant to drought and barrenness, stable in dry and thin land, and high in water and fertilizer. It is an ideal crop for the development of water-saving agriculture in my country, and it is the third major food crop in northern my country after wheat and...
Claims
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Application Information
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