Abstract:Liancong No.7 is a new onion variety developed by system selection from generations of crossing Lianyinyangcong No.1 as female with Fuyongzhongshen as male.It is middle maturity and takes about 250 days from planting to harvest.The plant is erect and grows vigorously.It is 60-70 cm in height;Its bulb is spherical and spheroid index is above 0.85.The bulb is yellow and glossy.The inner squama is slight pungent and sweet.It is bolting-tolerance.The average bulb weight is about 290 g.Its yield is about 90 t·hm...