小果型西瓜新品种‘众天锦龙’的选育

A new small-fruit watermelon variety‘Zhongtian Jinlong’

‘众天锦龙’是以优良自交系‘N37’为母本、优良自交系‘N132’为父本杂交选育出的二倍体早熟小果型西瓜新品种。在河南地区采用塑料大棚种植,早春茬栽培全生育期约为115 d,果实发育期为40 d左右。植株第1雌花出现在第8节左右,以后每隔5~6节出现雌花。果实为椭圆形,单瓜质量1.4~2.5 kg,果皮底色为浅绿色,覆绿色网状条带,果实表面光滑无蜡粉,果皮厚度约0.4 cm,瓤色为黄色,口感酥脆,中心可溶性固形物含量11.0%~12.5%,边部10.0%左右。该品种抗逆性、商品性好,适宜在河南、湖北、山东等地进行早春茬保护地栽培。2018年9月通过国家非主要农作物品种登记。

‘Zhongtian Jinlong’is a diploid early-ripening mini watermelon that was bred by crossing the inbred line’N37’as the female parent and the inbred line’N132’as the male parent.In Henan area,this variety can be planted in plastic greenhouse,and the whole growth period in early spring is about 115 d.The fruit development period is about40 d.The first female flower appears in 8-9 nodes of the main vine and later every 5-6 nodes.The fruit is ellipse with the light green peel covering with green mesh bands.The fruit surface is smooth without wax powder.The single melon weighs 1.4-2.5 kg.The average thickness of the peel is 0.4 cm.The flesh is yellow,and tastes good.The center soluble solids content is 11.0%-12.5%and 10.0%near rind.This variety is suitable for protected cultivation in Henan,Hubei,Shandong and other places in early spring.It passed the registration of non-main crop varieties in September 2018.