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粳杂“七优7号”系宁波市农科所选育而成的粳杂高产新组合。舟山市于1996年引进试种,1997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16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年出现了一些高产田块,舟山市定海区岑港镇林友忠农户种植的3.7亩面积,每亩有效穗数22.25万,穗总粒数125.2粒,每穗实粒数114.1粒,结实率达911%,千粒重27.5克,理论亩产698.15kg。实
Japonica hybrid “seven gifted 7 ” is a new high-yielding Japonica hybrid combination selected from Ningbo Agricultural Science Institute. Zhoushan City, introduced in 1996 trial planting, 1997 planting area of more than 1,000 acres. The combination of moderate growth period, sowing on May 25, transplanting at the end of June, beginning September 10 spike, September 16 full heading, mature by the end of October; good plant shape looks good; Of all ages. In 1997, some high-yielding plots appeared. In Linyouzhong, Cengang Town, Dinghai District, Zhoushan City, an area of 3.7 mu was planted, with an effective spike per acre of 222.5 thousand, 125.2 spikes per panicle, and 114.1 spikelets per panicle. 911%, grain weight 27.5 grams, the theoretical yield 698.15kg. real