Abstract：‘Molvwuzi No.5’is a middle to late maturing F1 hybrid large seedless watermelon，developed from the selfing line‘GR4x-2’as the female parent and‘2x-55’as the male parent．The total growing period is about 112 days and the fruit development period is about 40 days for greenhouse cultivation in early spring．The fruit is round shaped，and the skin is dark green with deep green mesh stripes．The skin thickness is 1.2 cm，and skin hardness is about 27 kg · cm-2．It is resistant to cracking and storage and transportation．The flesh is red and crisp flesh．The central soluble solid content is about 12.1% and 9.8% near rind．The average weight of a single melon is about 6.4 kg，and the yield is about 63 t · hm-2．It is suitable for early spring greenhouse cultivation or spring and summer open field cultivation in Shanxi Province and similar ecological region．
