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杂交水稻是我国居世界领先地位的科技成果。杂交水稻在我国粮食增产中发挥了重要的作用。种植面积已达两亿多亩,占全国水稻种植面积的五分之二。稻瘟病是影响杂交水稻高产稳产的重要因素,每年造成数十亿斤粮食损失,是生产上一项急待解决的问题。为此,我们开展了以提高亲本恢复系抗病性为中心的杂交水稻抗稻瘟病细胞突变体育种新途径的研究。
Hybrid rice is China’s leading scientific and technological achievements in the world. Hybrid rice has played an important role in increasing grain output in our country. Planting area has reached 200 million mu, accounting for two-fifths of the national rice acreage. Rice blast is an important factor that affects the high and stable yield of hybrid rice. Each year, it causes billions of jin of food losses, which is an urgent problem in production. To this end, we have carried out a new approach to breeding mutant rice blast-resistant cells with the focus on improving the disease resistance of the restorer lines in the parents.