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| A New Onion F1 Hybrid for Dehydration —‘Baifeng’ |
| ZENG Ai-song1，YAN Ji-yong1*，YUN Jong-Soo2，SONG Li-xiao1，GAO Bing1 |
| 1Institute of Vegetable Crops，Jiangsu Academy of Agricultural Sciences，Nanjing 210014，Jiangsu，China；2Korea OEC．Co.，Gimhae 1488-11，Gyeongnam，Korea |
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Abstract Dehydrated onion‘Baifeng’is a new F1 hybrid developed by crossing male sterile line with a male parent．Both the female parent（also called male sterile line 70A ）and its maintainer line 70B originated from a Netherland variety W11．The male parent came from the inbred line 99-3-9-16B，which is the self-pollinated progeny of American variety W01．‘Baifeng’has middle maturity．The period from sowing to bulb harvesting is about 250 days．Its plant height is 65-70 cm，with 8-9 functional leaves．It has round white bulb with 7.5-8.5 cm transverse diameter and 6.5-8.5 cm vertical diameter．The average weight of single bulb is 230-250 g．The white consolidated interior smells mild with sweet pungency．It has higher dry matter and VC contents．Its yield is about 75 t?hm-2．It is resistant to purple stain，downy mildew and grey mould similarly to‘Nube’and‘Baiyan’．It is suitable for cultivation in open fields in most part of China with middle and long sunlight.
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Received: 27 March 2011
Published: 19 April 2011
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