‘Jingsong No.1’ is a new F₁ hybrid of loose-curd cauliflower，developed by crossing cytoplasmic
male sterile line‘ CMS060’as female late parent with inbred line‘ 1028-1’ as male parent．Both parents are
of loose-curd type．‘Jingsong No.1’ is of mid-late maturity. It takes about 65 days from transplant to harvest in
spring，and 85 days in autumn．Its plant has strong growth vigor．The single head weight is over 1.5 kg，The
white curd is loose with long and light-green stalk．Its nutritional quality is high．It is rich in mineral nutrients
and glucosinolate．Its average yield is 46.5 t·hm^-2．This variety is suitable for cultivation in open fields in spring
and autumn in Beijing and its peripheral areas．