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粳杂七优7号是宁波市农科所选育成的粳杂高产新组合。舟山市于1996年引进试种,1 997年种植面积达1000余亩。该组合生育期适中,5月25日播种,6月底移栽,9月10日始穗,9月1 6日齐穗,10月底成熟。株形长相好,抗寒抗倒性强。深受农户的青睐。1997年舟山市定海区岑港镇费友忠农户种植3.7亩七优7号,每亩有效穗数22.25万,每穗总粒数125.2粒,实粒数114.1粒,结实率91.1％,千粒重27.5克。实际验收1.3亩,统一收割晒后称重854.75公斤,实收亩
Japonica hybrid Qiyou 7 is a new combination of high-yielding japonica hybrids selected and bred by Ningbo Agricultural Science Institute. Zhoushan City, introduced in 1996 trial planting, planting area in 1997 reached 1,000 acres. The combination of moderate growth period, May 25 planting, transplanting by the end of June, September 10 start ear, September 16 full heading, the end of October mature. Well-shaped plant looks good, strong resistance to cold lodging. Favored by farmers. In 1997, Zhenyouzhong Farming Village, Cengang Town, Dinghai District, Zhoushan City, planted 3.7 acres of Qiyou 7 with 225,500 effective spikes per acre. The total number of spikelets per panicle was 125.2, the actual number of grains was 114.1, the seed setting rate was 91.1% and the grain weight was 27.5 G The actual acceptance of 1.3 acres, after a unified harvest weighing 854.75 kg sun, the real harvest acres