Method for breeding special industrial high-resistance rape variety
A technology of rapeseed and varieties, applied in the field of special rapeseed disease-resistant breeding, to achieve the effects of increasing rapeseed yield, reducing labor costs, and increasing economic benefits
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Embodiment 1
[0021] (1) High erucic acid rapeseed variety Mianyou 13 (P1), glyphosate herbicide-resistant rapeseed variety Q3 (P2), rapeseed variety Zhongshuang 9 (P3) resistant to Sclerotinia sclerotiorum, and rapeseed virus-resistant variety Lingot (P4), rapeseed white rust resistant variety Regent (P5) was used as the hybrid parent, and P1 was used as the female parent to cross P1 / P2, P1 / P3, P1 / P4, P1 / P5, and 4 hybrid F 1 , respectively with F 1 -P12, F 1 -P13, F 1 -P14, F 1 -P15 means;
[0022] (2) planting F 1 -P12, F 1 -P13, F 1 -P14, F 1 -P15 each with 10 plants, crossed P12 / P13, P14 / P15 at the flowering stage, and obtained recrossed F 1 Generation Seed F 1 -P123, F 1 -P145;
[0023] (3) planting F 1 -P123, F 1 -P145, self-bred in bagging at flowering stage, F 2 Generation Seed F 2 -P123, F 2 -P145;
[0024] (4) Plant F separately 2 Generation Seed F 2 -P123, F 2 -P145, plant 350-400 plants per combination, combination F 2 -P145 is used for virus disease and whi...
Embodiment 2
[0035] (1) High erucic acid rapeseed variety Mianyou 13 (P1), glyphosate herbicide-resistant rapeseed variety Q3 (P2), rapeseed variety Zhongshuang 9 (P3) resistant to Sclerotinia sclerotiorum, and rapeseed virus-resistant variety Lingot (P4), rapeseed white rust resistant cultivar Dongfu No. 1 (P5) was used as the hybrid parent, and P1 was used as the female parent to cross P1 / P2, P1 / P3, P1 / P4, P1 / P5, and 4 hybrid F 1 , respectively with F 1 -P12, F 1 -P13, F 1 -P14, F 1 -P15 means;
[0036] (2) planting F 1 -P12, F 1 -P13, F 1 -P14, F 1 -P15 each with 10 plants, crossed P12 / P13, P14 / P15 at the flowering stage, and obtained recrossed F 1 Generation Seed F 1 -P123, F 1 -P145;
[0037] (3) planting F 1 -P123, F 1 -P145, self-bred in bagging at flowering stage, F 2 Generation Seed F 2 -P123, F 2 -P145;
[0038] (4) Plant F separately 2 Generation Seed F 2 -P123, F 2 -P145, plant 350-400 plants per combination, combination F 2 -P145 is used for virus disease ...
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