Abstract A new cucumber F1 hybrid‘ Jinyou 319’ is developed by crossing‘ 117D507-2’ as female parent and‘ QF19’ as male parent.It is of North China type and has excellent fruit commodity.It is tolerant to low temperature and weak light.The plant has strong growth vigor.Its leaves are medium in size.Its fruits are grown on main vine.The fruits are of stick shape,straight,with short carpopodium and high uniformity.The fruit is 36.0-38.0 cm in length.The single fruit weight is about 290 g.The fruit is shining dark green in color and has medium papilloma but no arris.The percentage of abnormal fruit is less than 10%.The fruit pulp is light green in color with small chamber.It tastes sweet and crisp.It has strong comprehensive resistance to diseases,and excellent yield potential.It is resistant to Fusarium wilt,downy mildew,powdery mildew and CMV. It can yield over 150 t·hm-2.It is suitable to be cultivated in Eastern and Northern China in protected fields in spring and autumn.
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