培杂双七的选育与应用是广东省农科院水稻研究所承担国家“863”计划、国家农业科技跨越计划、广东省重大科技攻关计划项目的研究成果 ,是采用两系法杂交稻育种新技术 ,鉴定筛选雄性不育起点温度低、品质好、抗性强、株型好、丰产性能好、适合华南地区光温生态条件的水稻亲本材 The breeding and application of Pei-Shuangqi is the result of the research undertaken by the Rice Research Institute of Guangdong Academy of Agricultural Sciences under the national “863” plan, the national plan of agricultural science and technology, and the major scientific and technological project of Guangdong Province. New technology, identification screening male sterile starting point low temperature, good quality, strong resistance, good plant type, high yield performance, suitable for light and temperature ecological conditions in southern China rice parent material