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| A New Mini Chinese Cabbage F1 Hybrid —‘Jingchunwa No.2’ |
| YU Yang-jun，ZHANG Feng-lan，ZHANG De-shuang，ZHAO Xiu-yun，YU Shuan-cang，XU Jia-bing，WANG Wei-hong |
| National Engineering Research Center for Vegetables，Beijing 100097，China |
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Abstract ‘Jingchunwa No.2’is a new mini Chinese cabbage F1 hybrid bred by crossing self-incompatible line 06135 with 06177．It takes about 45-50 days from transplanting to harvest．It has smaller plant size which fits to transplant in high density．It is tolerant to bolting，and is resistant to virus，downy mildew and black rot．Its head is of ovate shape with 22.5 cm in height and 9.8 cm in diameter．Its inner leaves are light yellow in color．Its average head weight is about 0.6 kg．The yield is about 75 t?hm-2．It has been extended to Beijing，Tianjin，Hebei，Henan，Gansu，Yunnan and Guizhou areas．
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Received: 20 May 2011
Published: 01 June 2011
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