优质籼稻油占8号的选育及特征特性

Breeding and traits of fine grain quality indica rice variety Youzhan 8

油占8号是广西农科院水稻所从“澳粳占”自然变异植株中选育而成的优质常规稻新品种。经测定,该品种早造米质十二项指标达部颁优质米二级标准,产量一般为5 .2 5～6 t/hm2 ,早造全生育期12 0 d左右,晚造110 d左右。2 0 0 1年通过广西区农作物新品种审定。

Youzhan 8, selected from a natural mutation of variety Aojinzhan by Rice Research Institute of GXAAS, is a fine grain quality inbred variety of indica type. Its all twelve indexes of grain quality in early cropping season matched the Standards of NY122-86 declared by China Ministry of Agriculture. The yield of the variety usually can reach 5.25~6 t/hm 2. Its growth duration was about 120d and 110d in early and late seasons, respectively, in Nanning. The variety was approved by Guangxi Committee for Crop Variety Registration in 2001.