论文部分内容阅读
京秋4号大白菜京秋4号为晚熟秋播大白菜一代杂种。生长期75~80d(天),整齐度高,外叶深绿色,叶面稍皱,开展度较小,叶球中桩叠抱,球叶充实速度快,叶球紧实,单球质量4.2kg左右。口感佳,品质优,抗病毒病、霜霉病和黑腐病,耐贮运,一般每667m2产量7000kg左右。北京地区8月3~10日播种,行距60cm。株距46cm,每667m2种植2400株左右,高垄栽培,10月下旬至11月上旬收获。其他同常规秋大白菜
Jingqiu No.4 Chinese cabbage Jingqiu 4 is a late-maturing autumn hybrid Chinese cabbage. Growth stage 75 ~ 80d (days), the uniformity is high, the outer leaves dark green, folds a little, the degree of development is small, the leaf pile in the pile, the leaf filling speed, leaf ball tight, single ball mass 4.2 kg or so. Good taste, good quality, anti-virus disease, downy mildew and black rot, storage and transportation, the general output of about 7000kg per 667m2. Beijing August 3 to 10 sowing, spacing 60cm. Plant spacing 46cm, planting about 2400 per 667m2, high ridge cultivation, from late October to early November harvest. Other common autumn cabbage