厚皮甜瓜新品种银珠的选育

银珠是以自交系C70(03TM25-4)为母本，以自交系C69为父本配制而成的中熟厚皮甜瓜一代杂种。露地栽培全生育期98 d（天）左右，果实发育期50 d（天）左右，植株生长势旺盛，抗逆性强，抗叶枯病、霜霉病，中抗白粉病。果实高圆球形, 果形指数1.1，果皮玉白色，果面光滑或有少量稀疏网纹，果肉白绿色，厚3.5 cm左右，质地细脆，可溶性固形物含量15 % ~17 %，果实硬度高，耐运输。平均单果质量1.1 kg，一般产量2 100 kg·（667 m²）^-1左右，适宜西北地区露地或保护地种 植，目前已累计示范推广约1.3万hm²。

A New F1 Hybrid of Muskmelon -'Yinzhu'

‘Yinzhu’is a new mid-maturity F₁ hybrid of muskmelon developed by crossing C70(03TM25-4)as female parent and C69 as male parent.In open field,its whole growing period lasts about 98 days and its fruit development period is about 50 days.It has strong growth vigor.It is resistance to leaf blight and downy mildew,mid-resistance to powdery mildew.The fruit shape index is about 1.1.It has long round fruit with milky-white skin,with or without sparsity net.The fruit flesh is white-green and about 3.5 cm in thickness.The soluble solid content is 15 %-17 %.Its firm rind is suitable for transportation.The fruit weight is about 1.1 kg.The yield is about 31.5 t·hm^-2.It is suitable for cultivation open or protected field in Northwestern China.It extension area is about 13 000 hm².