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| A New Chinese Cabbage F1 Hybrid —‘Weibai No.4’ |
| HAN Tai-li,YANG Xiao-dong,XU Li-gong,WANG Lin-wu,TAN Jin-xia |
| Institute of Vegetables,Weifang Academy of Agricultural Sciences,Weifang 261041,Shandong,China |
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Abstract ‘Weibai No.4’is a new Chinese cabbage F1 hybrid with middle-late maturity,developed by crossing two inbred lines BZ-02-17 and BZ-02-18.It can be harvested about 78 days after sowing.It is 39 cm in plant height,66 cm in plant spread,and the leaf head is oval,with white color,31 cm in height,21 cm in diameter,5.7 kg in weight.The spherical index is 1.4.Cabbage compaction reaches 84 %,and the ratio of net product is 74.9 %.It has high resistance to downy mildew and black rot disease,resistance to virus.In the two years of regional trial,the net output is 87.6 t·hm-2.It is suitable to be cultivated in middle-late autumn in Shandong,Hebei,Beijing,Liaoning,Heilongjiang,Henan,Jiangsu and Shanxi.
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Received: 09 February 2009
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