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京欣一号西瓜系中日合作培育的杂交良种,1989年获全国早熟组评比一等奖。北京地区作单季特早熟栽培品种已推广了3年,表现极优。合肥地区1989年引入,进行双季栽培试验取得成功。一、性状特征瓜形圆,皮绿有深色宽条纹;瓤大红,纤维少,折光含糖11.5～13.5％,砂脆多汁爽口,风味纯正;第一朵雌花生在7～9节,雌花间距5～6节,授粉到成熟28天左右;生长势中庸,叶型小,瓜码密,发棵旺,座瓜稳;高抗枯萎病,一般能够耐重茬种植。二、双季栽培试验 (一) 播期与密度春早瓜:3月10～20日播种,苗龄25～30天
Jingxin No.1 watermelon is a crossbred cultivated by China-Japan cooperation. In 1989, it won the first prize in the competition of the national precocious group. Beijing for single-season special precocious cultivars have been promoted for 3 years, excellent performance. Hefei area introduced in 1989, for double-crop cultivation success. First, the traits of the melon-shaped round shape, dark green skin with wide stripes; 瓤 red, fiber less, 11.5-11.5% refractive sugars, crisp juicy and refreshing, pure flavor; the first female peanut in 7 to 9, Female flower spacing of 5 to 6, pollination to maturity of about 28 days; growth potential moderation, leaf small, melon code dense, hairy Wang, Block melon stable; high resistance to Fusarium wilt, generally resistant to heavy cropping. Second, double-season cultivation test (a) sowing date and density Spring morning melon: March 10 to 20 sowing, seedling age 25 to 30 days