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| A New Mid-maturity Chinese Cabbage F1 Hybrid —‘Jingqiu No. 70’ |
| ZHANG Feng-lan，ZHANG De-shuang，YU Yang-jun，XU Jia-bing，ZHAO Xiu-yun，YU Shuan-cang，WANG Wei-hong，LU Gui-xiang |
| Vegetables Research Center，Beijing Agriculture and Forestry Academy，Beijing 100097，China |
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Abstract ‘Jingqiu No. 70’is a Chinese cabbage F1 hybrid of middle maturity．It can be harvested in 70-75 days after sowing．The plant is 38.1 cm in height and 67.8 cm in width．Its leaf is green and stem is white．Its head is 30.0 cm in height，16.9 cm in diameter and 1.8 in head shape index．The head is compact．The net vegetable rate is 75%．The average single head weight is about 3.3 kg．Its yield is about 75-90 t•hm-2．It is resistant to virus disease，downy mildew and black rot．It is suitable to be cultivated in Beijing，northeast part of Hebei，east part of Shandong，Heilongjiang，Jilin and Inner Mongolia．
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Received: 09 August 2012
Published: 06 September 2012
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