西葫芦新品种东葫5号的选育

A New Squash F_1 Hybrid —‘Donghu No.5'

东葫5号是以自交系813-1cb为母本,以自交系1-2为父本育成的西葫芦一代杂种。早熟,从播种到采收250 g左右的嫩瓜约需43 d(天)。植株矮生,长势强,叶片深绿、有缺刻,根系强大,后期不衰,第1雌花节位为第6～7节,雌花多,成瓜率高,商品瓜长棒形、皮色淡绿、光泽亮丽。田间抗病毒病能力较对照碧波强,每667 m^2产量4 200 kg左右,适合山西省早春露地种植。

'Donghu No.5' is a new squash F1 hybrid developed by crossing inbred line '813-1cb'as female parent,and inbred line '1-2' as male parent.It is of early maturing.It takes about 43 days from seeding to harvesting about 250 g tender fruit.The plant has strong growth vigor and is of dwarf type.Its leaf is dark green in color with notches.Its root system is strong and unfading at later stage.The first female flower sets on the 6-7th node.It has many female flowers and high fruit setting ratio.The commercial fruit is of long clavate shape with light green and glossy peel.Its resistance to virus disease is stronger than that of the contrast 'Bibo'.It can yield about 63 t·hm^-2.'Donghu No.5' is suitable for cultivation in open fields of Shanxi Province in early spring.