中小果型无籽西瓜新品种黑童宝的选育

摘要

黑童宝系岳阳市西甜瓜科学研究所和湖南省西瓜育种工程实验室最新选育的三倍体中小果型黑皮红瓤无籽西瓜新品种.该品种全生育期95 d左右,雌花开放至果实成熟约需32 d;植株生长势中强,茎叶中等,抗病、抗逆性强;果实圆球形,果形指数1.1;果皮黑色,果皮厚度1.1 cm;瓤色鲜红,质脆爽口,纤维少,无籽性能好;一般中心可溶性固形物含量11.5％左右,边部7.5％;单瓜重2～4 kg,露地栽培产量1 800～2 200 kg/667m2,立架栽培单产4 500 kg/667m2左右.2013年3月通过湖南省农作物品种审定委员会审定.%Heitongbao is a new mid-small fruit type of triploidy seedless watermelon variety with black peel and red pulp,which is bred by Yueyang Municipal Institute of Melon and Watermelon Sciences and Hunan Provincial Laboratory of Watermelon Breeding Engineering.The whole growth period of Heitongbao is around 95 d,its time from female flower opening to fruit mature needs about 32 d; the plant has mid-strong growth potential,middle size of stem and leaf and strong disease resistance and stress resistance; the fruit is round shape with fruit shape index of 1.1,the fruit peel is black with thickness of 1.1 cm,the pulp is fresh red with less fibre,and the seedless performance is great; the content of soluble solids is around 11.5％ in center and 7.5％ in edge,the single fruit weight is 2-4 kg,the yield is 27 000-33 000 kg/hm2 in open field and around 67 500 kg/hm2 in greenhouse.The Heitongbao has been approved by Hunan Crop Variety Approval Committee in March,2013.