设施迷你黄瓜专用新品种华美2号的选育

Breeding of Huamei No.2, a New Mini-Cucumber F_(1) Hybrid for Protected Field

华美2号是以全雌系0815为母本,强雌系0808为父本选育而成的杂交一代设施迷你黄瓜专用新品种。该品种植株生长势强,叶色深绿,早熟,全雌类型。第一雌花节位为2~3节,雌花节率92.5%左右,连续结瓜能力强,丰产潜力大。商品瓜短长棒形,瓜长15.5 cm左右,瓜把短,瓜粗3.0 cm左右,瓜柄长6~8 cm,单瓜质量100 g左右。抗白粉病与霜霉病,耐低温、弱光,也较耐高温。适合长江流域温室及大棚春秋季栽培,每667 m^(2)栽植2500株左右,产量4000~5000 kg。

Huamei No.2 is a new mini-cucumber F_(1) hybrid for facility cultivation crossed by the whole female line 0815 as female parent and the strong female line 0808 as male parent.The plant has stronger growth vigor.It is early-maturing and gynomonoecious,and the leaves are dark green.The first female flower sets on the second or third node,and the female flower rate is about 92.5%.It has continuous fruit setting ability and high yielding potential.The fruit is in short long-stick shape,and the fruit is about 15.5 cm in length with short neck,about 3.0 cm in diameter,6-8 cm in average fruit handle.The average fruit weight is about 100 g.It is resistant to powdery mildew and downy mildew,and tolerant to low temperature,weak light and high temperature.It is suitable for spring and autumn cultivation in greenhouses in Yangtze River Basin.The suitable cultivation density is about 2500 plants/667 m^(2),with the yield of 4000-5000 kg/667 m^(2).