Abstract：‘Xinyou No.45’is a new F1 hybrid mini-watermelon variety bred by inbred lines LL-8 and LL-13.It is an early maturing variety.In open fields,its growing period is about 80 days,and fruit growing period about 28 days,In protected fields,it takes 105 days from seedling to harvest.The plant grows vigorously,and the fruits set evenly.The fruit shape is tall and round，and the shape index is 1.15.The peel is dark green with darker stripes and the flesh is light red.The soluble solid content is about 12.0 % in the middle.The weight of average fruit is 2.0 kg,while the yield is 30 t·hm-2 in open fields ,and 60 t·hm-2 in protected fields.It has stronger resistance to powdery mildew than‘Mengtuoling’.
