在毛主席无产阶级革命路线指引下,在各级党委的正确领导下,在有关单位的大力支持下,粳稻三系育种工作经过五年的努力,取得了很大突破,成功地育成了第一批杂交水稻。一九七五年小面积测产,亩产达一千五百八十斤。五年时间共育成了三个类型,六个系统,一百四十个不育系、保持系,人工创造恢复系十一个。一、在斗争中坚持试验 Under Chairman Mao’s proletarian revolutionary line and under the correct leadership of the Party committees at all levels and with the vigorous support of the relevant units, the three-line breeding of japonica rice has achieved a great breakthrough after five years of efforts and successfully bred first Batch of hybrid rice. In 1975 a small area of ​​?? the measured output per mu up to 1,500 pounds. Five years have completed a total of three types, six systems, one hundred and forty sterile lines, maintenance department, Department of artificial restoration of eleven. First, keep experimenting in the struggle