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在毛主席革命路线指引下,我国玉米育种工作大搞群众运动,充分利用南方冬季气候温暖的天然大温室条件,进行玉米异地培育以缩短育种年限,加速育种进程,使玉米自交系、杂交种选育推广过程由过去十年左右的时间,缩短到4—5年。大大加快了我国玉米杂交种的选育推广速度。目前我国玉米杂交种推广面积已达1.5亿亩以上,比文化大革命前增加4.5倍,单位面积产量提高63%,对粮食上纲要起到一定作用。目前生产上已经大面积推广的和
Guided by Chairman Mao’s revolutionary line, China’s maize breeding campaign vigorously engages in mass movements. It takes full advantage of the natural large greenhouse conditions in the warm winter weather in the south to carry out breeding of maize in different places to shorten the breeding period and speed up the breeding process. Maize inbred lines, hybrids The breeding and extension process has been shortened to 4-5 years from the past decade or so. Greatly accelerated the breeding of corn hybrids in China to promote the speed. At present, the popularization area of maize hybrids in China has reached over 150 million mu, an increase of 4.5 times than that before the Cultural Revolution and the output per unit area increased by 63%, which plays a role in the outline of the grain. At present the production has been large-scale promotion and