再生稻新品种“40—1”试验示范初报

• 作 者: 陈孝之
• 机 构: 湖北省农科院粮作所
• 出 处: 湖北农业科学
• 发表日期: 1986年02期
• 关键词: 头季稻 高产田块 再生苗 始穗期 空秕率 成穗率 粒数 幼穗分化 分蘖肥 抗白叶枯病

再生稻新品种“40—1”是湖北省农科院粮作所从“IN40”中选择的一个特殊变异株培育而成。1984年本所试种1.14亩,头季稻亩产1041.5斤,再生稻亩产622.7斤。1985年在黄冈县及龙感湖农场示范种植400亩,头季稻和再生稻都获丰收。对黄冈县的200亩“40—1”进行实地产量验收,头季稻平均亩产960.5斤,高产田块达到1142斤;再生稻平均亩产554.7斤,高产田块达到665斤。200亩头季稻和再生稻的平均亩产达到1515.2斤,已与这个县的双季稻亩产量持平。

The new ratoon rice variety “40-1” is cultivated by a special mutant selected from “IN40” of Hubei Academy of Agricultural Sciences. In 1984, the institute experimented with 1.14 mu, with 1041.5 kg of first-season rice and 622.7 kg of regenerated rice. In 1985, 400 mu was planted in Huanggang County and Longjianhu Farm, and both first-crop and regenerative rice were bumper. The production of 200 mu “40-1” in Huanggang County was checked on the spot. The average yield of the first season rice was 960.5 kg and the high yield plots reached 1142 kg. The average yield of regenerative rice was 554.7 kg and the high yield plots reached 665 kg. The average yield of 200 mu of first crop and ratoon rice reached 1515.2 kg, which is the same as that of double crop of paddy in this county.