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上海市闵行区虹桥乡虹桥村科技队,1992年为乡里繁育寒光甘蓝种子,经过他们的精细管理,在0.5亩的种子田内,获得种子37kg(正交种子23kg,反交种子14kg),折合亩产量为74kg。北杨×交赛杂交制种生产的寒光甘蓝种子,能超过一般产量的1—2倍,是过去少有的。他们能获得高产,主要是抓住了以下一些关键措施: 一、适时播种 母本北杨在1991年7月30日播种,父本交赛在1991年8月8日播种。
Hongqiao Township, Minhang District, Shanghai Hongqiao Village Science and Technology team, in 1992 for the village breeding cold light blue seed, through their fine management, in 0.5 acres of seed fields, access to seed 37kg (Orthogonal seed 23kg, anti-cross-seed 14kg) The output is 74kg. North Yang × cross race hybrid production of cold light cabbage seeds, 1-2 times more than the general output, is rare in the past. They are able to obtain high yields, mainly to seize the following key measures: First, the timely sowing mother Beiyang sown in July 30, 1991, the father of the race in August 8, 1991 sowing.