Abstract ‘Dongnong 804’is a new mini-cucumber F1 hybrid bred by using heterosis breeding.The
female D0420 is strong female inbred line,and the male D0202 is inbred line.It grows vigorously.Its
leaf is dark green and the vine is thick and strong.It bears fruits mainly in its main stem with
high rate of fruit-setting and low rate of branching.It is highly resistant to bacterial augular
leaf spot and Fusarium wilt,resistant to downy mildew and powdery mildew.Its fruit is dark
green,lustrous,22-24 cm in length,about 3 cm in diameter,and 150-180 g in weight.The standard fruit
rate is above 85 %.The length of fruit cavity is below 1/2.It yields 57.0-64.5 t·hm-2.
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