【摘要】 早籼807是安徽省农业科学院水稻研究所采用系谱选择法育成的高产稳产、抗病能力较强的早籼稻新品种。2年省区试平均产量7 699.5 kg/hm2,较对照竹青增产8.25%。1年省生产试验,平均产量6 814.5 kg/hm2,较对照竹青增产1.66%。株型较紧凑,茎秆较粗壮;中抗稻瘟病和白叶枯病,中抗-感纹枯病,苗期耐寒能力较强。米质较好,综合指标达四～三级食用稻等级标准。全生育期108 d左右,适宜播期为3月下旬至4月上旬。更多还原

【Abstract】 A new early-maturing rice variety,Zaoxian 807,bred by pedigree method,was characterized by high yielding and resistance to diseases.In Anhui provincial regional plot tests from 2009-2010,its average yield was 7 699.5 kg/hm2,which was 8.25% higher than that of check variety,Zhuqing.In Anhui provincial production trial of 2011,it yielded 6 814.5 kg/hm2 which was 1.66% higher over Zhuqing.It was also characterized by moderate resistance to rice blast and bacteria leaf blight,and tolerance to low temperature at seedling stage.Its grain quality met the fourth-third grade of quality rice standard issued by Ministry of Agricultural of China.The whole growth period is about 108 d,the suitable period is from last ten-day of Mar.to first ten-day of Apr..更多还原