早稻新品系77—6是我所农业物理研究室于1976年用“科辐早×竹莲矮”后代,经激光处理后选育而成的一个早籼中熟种。上海县华漕公社种子场,纪王公社红卫科技站及我院试验场进行联合试验,试种面积62.3亩,二年平均亩产845斤,最高亩产1039斤,比对照原丰早增产2.6～7.1％。郊区多点试种900多亩,一般亩产700～900斤,比 A new early rice line 77-6 is a medium indica indica medium grown by the Institute of Agricultural Physics in 1976 after being treated by laser treatment with the progeny of “Kexunzao × Zhulian short”. Shanghai Huacao commune seed field, Ji Wang Gongwei Hongwei Science and Technology Station and our hospital test field joint test, test area of ​​62.3 acres, two years average yield of 845 pounds, the highest yield 1039 pounds, 2.6 ~ 7.1%. More than 900 acres of suburbs tryout, generally 700 to 900 pounds per mu, than