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水稻是我省主要粮食作物,占粮食耕地面积80％以上,稻谷产量占粮食思产的96％。在人民口粮、工业和饲料用粮中占有举足轻重的位置,是粮食中的最大优势。作为水稻优良品种在水稻生产中,对提高单产、改进品质、抗御病虫灾害等方面,无论过去、现在以至今后都起着重大的作用。建国以来,水稻育种经历了整理农家品种、矮秆化育种和籼型杂交水稻的配组成功三个阶段,促进了我省粮食的迅速增长。六十年代矮秆良种的培育与引进推广至1979年播面亩产339斤,比1949年亩增143斤;七十年代培育推广汕
Rice is the main food crop in our province, accounting for more than 80% of the total area of cultivated land. The output of rice accounts for 96% of the grain production. In the people’s rations, industrial and feed grain occupies a pivotal position, is the biggest advantage in food. As an excellent variety of rice in rice production, it plays an important role both in the past, present and future, in terms of improving yield, improving quality and resisting pests and diseases. Since the founding of the People’s Republic of China, rice breeding has undergone three stages of success in matching peasant varieties, dwarfing breeding and indica hybrid rice, and has promoted the rapid growth of grain in our province. The cultivation and introduction of dwarf varieties in the 1960s were extended to 339 kg per mu in sowing in 1979, 143 kg more than in 1949; in the 1970s, cultivation and promotion of Shantou