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株两优971是怀化市农科所和亚华种业科学院联合选配的两系杂交早稻组合。1999年、2000年参加省区试,2年平均667平方米产量475.9公斤,与对照威优402相当;全生育期109天,比威优402短4天。米质一般。经鉴定,易感稻瘟病,中抗白叶枯病。2001年2月通过湖南省农作物品种审定委员会审定。适宜在稻瘟病轻的地区推广。 该品种株高90厘米左右,主茎12片叶,叶片直立。抽穗整齐,成熟落色好,耐肥抗倒性较强。分蘖
Zhu Liangyou 971 is a two-line hybrid early-rice combination jointly selected by Huaihua Agricultural Science Institute and Yahua Seed Science Academy. 1999, 2000 provinces to participate in the test, 2 years average 667 square meters output 475.9 kilograms, and comparable Weiyou 402; whole growth period of 109 days, shorter than Weiyou 402 for 4 days. The general quality of rice. Identified, susceptible to blast, in the resistance to bacterial blight. February 2001 through the Hunan Provincial Crop Variety Approval Committee. Suitable for promotion in the light area of rice blast. The variety is about 90 centimeters high, the main stem 12 leaves, leaves erect. Ears tidy, mature off color, strong resistance to lodging. Tillering