椭圆黑皮无籽西瓜新品种‘中农无籽2号’的选育

A new triploid seedless watermelon variety‘Zhongnong Wuzi No.2'

‘中农无籽2号’是以‘MMD’为母本、‘K5M’为父本杂交育成的椭圆形大果型黑皮红瓤三倍体西瓜新品种。该品种中晚熟，全生育期105d，果实发育期35d。植株生长势强，果实椭圆球形，果皮黑色，覆蜡粉，外形美观。平均单果质量6-9kg，畸形果少，商品果率超过95％。瓜瓤大红色，瓤质脆，汁液多，中心可溶性固形物含量12％左右，边部8．5％左右；果实剖面好，白瘪籽小、少，品质优。667m。产量可达5000kg以上，耐贮运，抗病性、适应性强，适合设施和露地栽培。2012年通过江西省农作物品种审定委员会认定。

＇Zhongnong Wuzi No. 2＇ is a new triploid seedless watermelon by crossing tetraploid line ＇MMD＇ as female parent with diploid line＇K5M＇ as male parent. It＇s a mid-late maturity variety. The total growing period is about 105 days, and the fruit development period is about 35 days. The plant grows vigorously and resistant to Fusarium wilt. The fruit has beautiful appearance, oval shape, dark skin with wax powder. The average fruit weight is about 6-9 kg. The bright red flesh is hard crisp with soluble solid content 12% in center. It has few small white blighted seed traces, en- riched juice, good profile and good flavor quality. It is about 5 000 kg yield per 667 m2 and good transportation. The fruit commodity rate is over 95%, The variety has good adaptability and can be grown in most watermelon production areas in China.