‘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.