Application of Ethiopian mustard in breeding of Brassica napus definite inflorescence lines
A technology of Brassica napus and inflorescence, applied in application, seed coating/seed dressing, botanical equipment and methods, etc., can solve the problems that rape varieties are not suitable for mechanized operation, increase the ineffective consumption of rapeseed biomass, and achieve thousand-grain weight The effect is consistent with the increase of yield per plant, reduction of mechanical loss rate, and maturity of siliques
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Embodiment 1
[0044] All the breeding processes of the present embodiment are carried out under natural conditions;
[0045] This embodiment provides a kind of application of Ethiopian mustard in the selection and breeding of Brassica napus limited inflorescence maintainer line, and the selection method is specifically as follows:
[0046] In March 2010, in Nanchang, Jiangxi Province, 1 copy of E. chinensis was used as the female parent, and 1 copy of the Brassica napus line with unlimited inflorescences (Zhongshuang 11) was used as the male parent. Crossing was carried out, and the plants with limited inflorescence traits were screened to obtain 1 hybrid offspring F1;
[0047] In July 2010, in Xining, Qinghai, one copy of hybrid F1 was used as the female parent, and one copy of Zhongshuang11 was used as the male parent, and the first backcross was carried out, and 5 backcross offspring were obtained;
[0048] In March 2011, in Nanchang, Jiangxi, 5 copies of backcross offspring were used a...
Embodiment 2
[0072] In the breeding process of this embodiment, the daily light time of the plants is 15h, and when the light is insufficient, light is used to irradiate, and the light intensity is controlled to be the same as natural light;
[0073] This embodiment provides a kind of application of Ethiopian mustard in the selection and breeding of Brassica napus limited inflorescence maintainer line, and the selection method is specifically as follows:
[0074] In March 2010, in Nanchang, Jiangxi Province, 1 copy of E. chinensis was used as the female parent, and 1 copy of the Brassica napus line with unlimited inflorescences (Zhongshuang 11) was used as the male parent. Crossing was carried out, and the plants with limited inflorescence traits were screened to obtain 1 hybrid offspring F1;
[0075] In July 2010, in Xining, Qinghai, one copy of hybrid F1 was used as the female parent, and one copy of Zhongshuang11 was used as the male parent, and the first backcross was carried out, and ...
Embodiment 3
[0098] All the breeding processes of this embodiment are carried out under natural conditions;
[0099] This example provides an application of Ethiopian mustard in the selection and breeding of limited inflorescence maintainer lines of Brassica napus. Before planting, the seeds of Ethiopian mustard are soaked in an aqueous solution of potassium permanganate with a mass fraction of 0.5%, and then dried in the air after 6 hours. Dry, the breeding method is as follows:
[0100] In March 2010, in Nanchang, Jiangxi Province, 1 copy of E. chinensis was used as the female parent, and 1 copy of the Brassica napus line with unlimited inflorescences (Zhongshuang 11) was used as the male parent. Crossing was carried out, and the plants with limited inflorescence traits were screened to obtain 1 hybrid offspring F1;
[0101] In July 2010, in Xining, Qinghai, one copy of hybrid F1 was used as the female parent, and one copy of Zhongshuang11 was used as the male parent, and the first back...
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