'Jinhua No.1'is a new small-fruit type watermelon F1 hybrid developed by crossing inbred line'2X-281'as female parent and'2X-239'as male parent.It is of early-maturing with fruit development period of about 28 days and total growth period of about 93 days under spring facility cultivation in Shanxi Province.The plants exhibit strong growth vigor and a high fruit-setting rate.The fruit is oval-shaped with a dark green rind covered with jagged,ink green stripes,and a rind thickness of about 0.5 cm.The flesh is red,with a central soluble solids content of 12.5% and near-rind content of 10.2%.The single fruit weight is 1.5-2.5 kg,and the yield is about 43.5 t·hm-2.It is suitable for early spring protected cultivation in Shanxi's regions such as Lvliang,Jinzhong,Xinzhou,Shuozhou,Taiyuan,and other areas with similar climates.