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| A New Chinese Cabbage F1 Hybrid —‘Qingyan No.8’ |
| SI Chao-guang，WANG Yuan，YANG Xiao-yun*，ZHANG Qing-xia，ZHANG Shu-xia，WANG Dian-chun，QIU Shi-zuo |
| Qingdao City Academy of Agricultural Sciences，Qingdao 266100，Shandong，China |
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Abstract ‘Qingyan No.8’is a mid-late maturing Chinese cabbage F1 hybrid．It takes about 80 days from sowing to harvest．It was developed by crossing self-incompatible line Xiaotianjinlv 2001-3- 9-1-6-4 and Shengfushan-1S-2S-8S-11SXiao -13Xiao．Its head is of long ovate shape with 43 cm in height and 17 cm in diameter．The single head weight is about 4.0 kg．The average net yield is about 105 t•hm-2．It is resistant to virus disease，medium resistant to downy mildew．It is suitable to be cultivated in the middle and lower reaches of the Yellow River and the Yangtze River，and Jilin，Shaanxi Provinces，etc．
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Received: 09 January 2012
Published: 27 February 2012
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