优质板栗南瓜新组合江红1号的选育

A New and Good Quality Winter Squash F_1 Hybrid-"Jianghong NO.1

江红 1号南瓜是由一个日本引进材料的分离后代中选出的自交系J - 95 5 9和一个台湾引进材料的分离后代中选出的自交系T - 96 6 2配制成的早熟印度南瓜一代杂种。与黄狼南瓜比较 ,第 1雌花节位低 4～ 5节 ,成熟期早 15d ,干物质含量高 7.6 % ,总糖含量高 5 .3 % ,淀粉含量高 2 .2 % ,Vc含量高 187mg/kg。江红 1号为长蔓类型 ,生长势较强 ,瓜扁圆形 ,瓜皮红色 ,瓜肉桔黄色 ,肉质细密 ,粉质重 ,口感甜面 ,露地栽培 ,单位面积产量 (u) 6 6 7m2 为 15 0 0～ 2 0 0 0kg。

Jianghong NO.1' belongs to early-maturing winter squash (C.maxima Duch), female parent J-9559, male parent T-9662 were all in bred lines segregated from Japan winter squash variety and Taiwan winter squash variety. Its first fruit set is 4～5 nodes lower, harvest time is 15 days earlier, soluble solid is 7.6% higher, sugar content is 5.3% higher, starch content is 2.2%, Vc content is 187 mg/kg higher than those of 'huanglang'. 'Jianghong No.1' is vining, vigorous, its fruit is disc-shaped, red skin, orange flesh, sweet, soft and floury of taste. Its yield is 22.5～30 t/hm 2 grown in open field.