‘Kaishuai’ is a new antiviral squash F₁ hybrid developed by crossing inbred lines‘ 06013-2’ as
female parent and‘ H0513-6’ as male parent．It is of early maturing．It has strong growth vigor．Its stem is thick
and strong．The first female flower sets on the 7th node．It has dense melon yards and strong fruit setting ability．
The plant grows fast and has high fruit bearing rate．The commercial fruit is of cylindrical shape，with shining
emerald green peel．The fruit is straight and about 23 cm in length．The single fruit weight is about 300 g．The
plant is tolerant to high temperature．It is not easy to get premature senescence in late growth stage．It is moderate
resistant to CMV．It can generally yield about 75 t·hm^-2．It is suitable for protected and open fields cultivation in
spring and autumn in north and south of China．