Breeding method of special rice for beer
A technology of beer and japonica rice, which is applied in the field of special rice breeding, can solve the problems of lack of raw materials and high-quality beer brewing, and achieve the effects of reducing dosage, low gelatinization temperature, and increasing economic income
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Embodiment 1
[0024] A kind of breeding method of beer special rice, concrete steps are:
[0025] 1) Select a japonica rice line P1-Wujing 075 with a high rice milling rate and a short round grain type, a japonica rice line P2-Yanjing 2 with a low gelatinization temperature, and an indica rice line P3-Luhui with a high amylose content and loose rice starch arrangement 6684, a high-yield, cold-resistant and blast-resistant japonica rice line P4-Lijing 314; crossed P1 / P2, P1 / P3 and P1 / P4 to obtain the first generation of hybrid F 1-12 , F 1-13 and F 1-14 ;
[0026] 2) Planting hybrid first generation F 1-12 , F 1-13 and F 1-14 , the flowering period is represented by F 1-12 F 1-13 and F 1-14 cross again to obtain the first generation of recrossing, with F 1-123 and F 1-124 express;
[0027] 3) Plant F 1-123 and F 1-124, F 1-123 / F 1-124 , the harvested seeds must be recrossed for one generation, with F 1-1234 express;
[0028] 4) Plant F 1-1234 , harvest the seeds to get F ...
Embodiment 2
[0038] A kind of breeding method of beer special rice, concrete steps are:
[0039] 1) Select a japonica rice line P1-Wujing 075 with a high rice milling rate and a short round grain type, a japonica rice line P2-Yanjing 2 with a low gelatinization temperature, and an indica rice line P3-Luhui with a high amylose content and loose rice starch arrangement 37. High-yielding, cold-resistant and blast-resistant japonica rice line P4-Lijing 314; crossed P1 / P2, P1 / P3 and P1 / P4 to obtain the first generation of hybrid F 1-12 , F 1-13 and F 1-14 ;
[0040] 2) Planting hybrid first generation F 1-12 , F 1-13 and F 1-14 , the flowering period is represented by F 1-12 F 1-13 and F 1-14 cross again to obtain the first generation of recrossing, with F 1-123 and F 1-124 express;
[0041] 3) Plant F 1-123 and F 1-124, F 1-123 / F 1-124 , the harvested seeds must be recrossed for one generation, with F 1-1234 express;
[0042] 4) Plant F 1-1234 , harvest the seeds to get F 2...
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