黄皮无籽西瓜新品种‘红太阳无籽’的选育

A new seedless watermelon variety ‘Hongtaiyang Wuzi’

‘红太阳无籽’是以自交系‘中9 4x’为母本、自交系‘94E1优系’为父本培育的杂交1代无籽西瓜新品种。该品种中晚熟,全生育期110～115 d,果实发育期35 d左右;果皮硬度超过20 kg·cm^(-2);三倍体种子大小中等,种皮颜色棕褐色,千粒重65 g左右;植株生长势中庸,抗病耐湿性好,生产性状优良;单瓜质量6.0 kg以上,667 m^2产量4 000～5 000 kg;果实圆球形,果皮颜色金黄无绿斑,外形非常美观;瓤质脆,瓤色红,中心可溶性固形物含量可达12.0%;无籽性好,瓜瓤致密不空心,口感好,风味正,品质优,耐贮运。全国各无籽西瓜主产区均可种植。2018年已申请农业部非主要农作物品种登记及农业植物新品种保护。

‘Hongtaiyang Wuzi’is a new triploid seedless watermelon by crossing tetraploid line‘Zhong9 4x’as female parent with diploid line‘94E1’as male parent.It’s a mid-late maturing variety.The total growing period is about 110-115 days,and the fruit development period is about 35 days.The average fruit weight is about 6.0 kg.Fruit skin is hard with above 20 kg·cm-2 in hardness.The red fresh is crisp with soluble solid content 12%in center.It has few small white blighted seed traces,enriched juice,good profile and good flavor quality.The yield per 667 m2 is about 4 000-5 000 kg.It has long fruiting period and shelf life.The seed is easy to emergence,the seed germination rate is 95%,and seedling rate is 85%.The variety can be grown in most watermelon production areas in China.