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.
