皖稻85的选育及其栽培技术

皖稻 8 5是安徽省农科院水稻研究所采用复合杂交和系谱选择法育成的优质早籼稻新品种。米质好 ,在 12项米质指标中 ,有 8项达到部颁 1级优质米标准 ,被评为安徽省市场畅销的优质米品种。 2年省区试 ,平均产量 713 5 .5kg/hm2 ,较对照竹青减产1.7% ;1年省生产试验 ,平均产量 6774.0kg/hm2 ,较对照竹青增产 4.3 %。中抗稻瘟病 ,苗期耐寒性较强。全生育期 10 9d ,适宜播期为 3月下旬至 4月上旬。

Development and Cultivation of an Early-maturing Indica Rice Variety,Wandao 85

A new early-maturing rice variety, Wandao 85, derived from a multiple cross by pedigree method, was characterized by good grain quality. Eight of its 12 grain quality indexes met the standards of first-grade quality rice issued by Ministry of Agriculture of China. It was also evaluated and recognized as quality-grain rice variety of prosperous marketing in Anhui. In Anhui provincial regional plot tests from 1999～2000, its average yield was 7?135.5?kg/hm 2 which was 1.7% lower than that of check variety, Zhuqing.In Anhui provincial production trial of 2001,it yielded 6?774.0?kg/hm 2 which was 4.3% higher over Zhuqing. It was also characterized by moderate resistance to rice blast and tolerance to low temperature at seedling stage. The cultivation techniques for the variety were also introduced.