椭圆绿皮无籽西瓜新品种‘晋绿无籽3号’的选育

Breeding of a new watermelon cultivar‘JinlüWuzi No.1’

‘晋绿无籽3号’是以自交系‘GR4X-1’为母本、自交系‘2x-45’为父本杂交育成的椭圆形大果型绿皮红瓤三倍体无籽西瓜新品种。该品种中晚熟,春季露地栽培全生育期110 d左右,果实发育期40 d左右。植株长势强,果实椭圆形,果形指数1.22,果皮绿色覆细条纹,果皮厚度1.2 cm,易坐果。三倍体种子大小中等,种皮黄褐色,千粒重63 g左右。平均单果质量6.1 kg,商品果率超过92%。瓜瓤大红色,瓤质脆,中心可溶性固形物含量(w,后同)12.1%左右,边部9.3%左右。667 m^2产量在4200 kg以上,无籽性好,品质优,耐贮运,抗病性强,适应性强。适宜山西各地春提早保护地及露地种植。2017通过中华人民共和国农业部非主要农作物品种登记。

‘JinlüWuzi No.3’is a new triploid seedless watermelon by crossing tetraploid line‘GR4X-1’as female parent with diploid line‘2x-45’as male parent.It’s a mid-late maturing variety.The fruit matures 110 days from sowing and 40 days from flowering under open field production in spring.It has strong growth vigor.It is easy to set fruit.The fruit is oval shaped with green skin and narrow stripes,the fruit index is 1.22.The size of seeds is medium.The seed coat is yellow-brown,and the thousand seeds weight is about 63 g.The average fruit weight is 6.1 kg.The flesh is red and crispy.The average soluble solid content is about 12.1%in the center and 9.3%in the edge.Its yield per 667 m^2 can reach 4200 kg and above.It has good seedless character,over 92%of marketable rate,high quality.The rind is durable for transportation with 1.2 cm in thickness.It is highly resistant to disease.This cultivar is suitable for protected and open field cultivation in early spring in Shanxi.