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| A New Welsh Onion Variety— 'Liaocong No.7' |
| SUN Yong-sheng1，CUI Lian-wei1*，JIA Jun-xiang1，LI Na1，JIANG Bin-bin1，ZHANG Xue-chao2 |
| （1Institute of Vegetables，Liaoning Academy of Agricultural Sciences，Shenyang 110161，Liaoning，China；2Gardening Specialty Management Station of Jilin Province，Changchun 130021，Jilin，China） |
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Abstract 'Liaocong No.7’ is a new conventional welsh onion variety developed by crossing ‘Liaocong No.1’ inbred line ‘2004031’ as female parent，'Wuyeqi’ inbred line ‘2004070’as male parent，and then developed through individual selection of 3 generations，plus continuous 2 generations’ mixing selection. The variety has short growth period. The plant grows fast. Its plant height is about 115 cm. The stem is tight，40-45 cm in length and 3-4 cm in diameter. The average fresh weight per plant is about 245 g. Its resistance to virus disease，downymildew and purple spot in field is stronger than that of the contrast 'Liaocong No.1’. It is suitable to be cultivated in short season. Its yield is about 72 t·hm-2. It is suitable for cultivation in Liaoning，Jilin and Hebei Provinces.
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Received: 07 January 2015
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