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涪陵市世忠乡三年来采用夏繁套秋制,在夏季水稻不孕系繁殖田内,待保持系熟期立即收割,栽上制种父本;秋制收后又可种稀泥麦,在同一块田内年收三季,经济效益显著增加。套制的方法:①套制用的父母本与正规秋制的父母本一齐播;在秋制栽插时将套制的寄栽于秋制田里。以后每隔路抽行,移栽于套制田里。②繁殖的珍汕97保持系,在乳熟期每隔厢(一般为2.5～6)移掉一行,将国际24带泥栽入移去的保持系行间。③繁殖的不育系
Shizhong Township, Fuling City, three years to use Xiafan sets autumn system, in the summer of rice infertility breeding field, to be maintained at the maturity of the immediate harvest, planted seedparenting father; A three-quarter income in the field, a significant increase in economic efficiency. Set of methods: ① set of parents with the formal system of the parents of the original broadcast together; planting planted in autumn will be put in the autumn planted field. After every pumped line, transplanted in the set of fields. ② Reproduction of the Zhenshan 97 to maintain the line, in the milky maturity per compartment (usually 2.5 to 6) to remove one line, the international 24 mud planted to remove the holding line. ③ breeding sterile lines