论文部分内容阅读
国夏1号是由Y436和Y231-k选配而成的具有较强耐热耐湿能力的普通白菜一代杂种。束腰美观,株型较矮;叶片舒展,叶色绿,叶柄宽,帮色绿,蜡粉少。北京地区8月10日播种,播种后40d(天)国夏1号株高19cm,开展度35cm,叶柄宽4.9cm,叶柄厚1.1cm,平均单株质量231g,每667m2产量3010kg。抗Tu MV,高抗黑腐病和霜霉病,耐热、耐湿,适宜夏秋季栽培。目前已在京津冀、上海、福建、山东等地区推广,累计推广面积超过30000hm2。
Country summer 1 is Y436 and Y231-k matching made of a strong heat-resistant moisture tolerance of common cabbage generation hybrids. Corset beautiful, shorter plant type; leaf stretch, leaf color green, petiole wide, help color green, wax less. Beijing area on August 10 sowing, sowing 40d (days) Guo Xia 1 19cm height, the degree of 35cm, petiole width 4.9cm, petiole thickness 1.1cm, the average weight of 231g, yield of 3010kg per 667m2. Anti-Tu MV, highly resistant to black rot and downy mildew, heat-resistant, moisture-resistant, suitable for summer and fall cultivation. Has been in Beijing, Tianjin, Shanghai, Fujian, Shandong and other regions to promote a total area of more than 30000hm2 promotion.