日光温室黄瓜新品种中农21号的选育

中农21号是以优良自交系0227和00207为亲本配制而成的一代杂种。植株生长势强,早熟,丰产,耐低温弱光能力强；瓜条长棒形、顺直,瓜色深绿,瓜把短,瘤小,刺白、密,腰瓜长35 cm左右,横径约3 cm,单瓜质量200 g左右,商品瓜率高,风味品质好；高抗白粉病,抗角斑病,中抗黑星病、枯萎病、CMV、WMV,日光温室越冬栽培每667 m~2产量10 000 kg左右；适宜日光温室越冬茬和秋冬茬栽培,已在山东、河北、河南、辽宁等省推广1 333 hm~2。

A New Cucumber F1 Hybrid—'Zhongnong No.21'

Zhongnong No. 21 is a newly bred cucumber F1 hybrid developed by using inbred lines 0227 and 00207 as parents. It grows vigorously with early maturity. It has high resistance to powdery mildew, resistance to angular leaf spot, middle resistance to scab, fusarium wilt, CMV and WMV. It is tolerant to cold and weak light. Its total yield is 150 t . hm-2. It has high marketable quality with straight,delicious and crisp fruit. Average fruit is about 35 cm in length,3 cm in diameter, and 200 g in weight. It is suitable for cuhivation in solar-heated greenhouse in winter or autumn-winter. It has been extended to Shandong, Hebei, Henan, Liaoning with total area of 1 333 hm^2.