Abstract：‘Xinhuanggua No.3’is a new hybrid cucumber variety bred by crossing Y99-2-58-6 inbred line as female parent and Y99-5-61-8 inbred line as male parent．It grows vigorously and matures early．It takes sixty to 60-65 days from sowing to mature．Most of the fruits set on main stem．The first female flower is setting on the fifth node．Later on，there is a female flower setting on every 2 to 3 node．Its fruits develop very fast．The fruits are dark green in color with many white thorn on their surfaces．The stem of the fruits is very short．The whole fruit is about 32 cm in length and 3.5 cm in width．The average single fruit weight is about 200 g and the yield is over 105 t·hm-2．This variety is resistant to Fuasarium wilt，downy mildew and powdery mildew than‘Dongguanxianfeng’in the field．It is suitable for growing in greenhouses，big or small plastic shed，etc. protected fields．It has been extended to Xinjiang with total area about 50 hm2.
