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镇恢46是江苏丘陵地区镇江农业科学研究所用镇恢129×镇恢084的F1作母本、镇恢084作父本回交,于2002年育成的籼型恢复系。该恢复系具有株型好、稻米品质优、抗白叶枯病、恢谱广、恢复力强等优良特性,所配组合镇籼优146(镇籼A/镇恢46)于2014年通过江苏省品种审定。
Zhenxu 46 is the indica restorer line bred in 2002 by the Zhenjiang Institute of Agricultural Sciences in hilly area of Jiangsu Province using F1 as the female parent and Zhenxu 084 as the male parent backcross in Zhenhui 129 × Zhenhui 084. The restorer line has the characteristics of good plant type, good rice quality, bacterial leaf blight resistance, broad spectrum recovery and strong restoring ability. The combination of Zhenxiangyou 146 (Zhenxian A / Zhenhui 46) passed Jiangsu Provincial varieties validation.