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晋杂12号是以新型 A_2胞质不育系 V_4A 为母本,恢复系1383—2为父本组配而成的丰产、抗旱、抗病杂交种,适宜在山西、内蒙古、四川、新疆、甘肃等省(区)无霜期150天左右的地区种植,可替代晋杂4号。该品种包括穗粒重、千粒重、穗长、抗病性在内的综合性状比对照有了较大突破,而且稳定性好,对不同生态环境有较强的适应性。
Jinza 12 is a high-yield, drought-resistant and disease-resistant hybrid with the new A_2 CMS line V_4A as the female parent and restorer line 1383-2 as the male parent, which is suitable for breeding in Shanxi, Inner Mongolia, Sichuan, Xinjiang, Gansu and other provinces (regions) frost-free period of about 150 days of planting, alternative Jin hybrid 4. The comprehensive characters including grain weight per spike, grain weight per spike, spike length and disease resistance had great breakthrough compared with the control, and had good stability and strong adaptability to different ecological environments.