早熟丰产节瓜新品种冠华7号的选育  

Breeding of a new early maturing and high yielding chieh- qua variety Guanhua No. 7

作　　者：刘玉平 乔燕春 林锦英 彭家柱 谢伟平 谭雪 LIU Yuping;QIAO Yanchun;LIN Jinying;PENG Jiazhu;XIE Weiping;TAN Xue(Guangzhou Academy of Agricultural Sciences,Guangzhou 510308,Guangdong,China)

机构地区：[1]广州市农业科学研究院,广州510308

出　　处：《中国瓜菜》2023年第4期124-127,共4页China Cucurbits And Vegetables

基　　金：2022年省级乡村振兴战略专项种业振兴项目(2022-NPY-01-004);广州市科技局民生科技目(202002020086);2022年广州市财政补助资金农业农村项目(21102266)。

摘　　要：冠华7号节瓜是以强雌系mbD2-2-2为母本、fbD-4为父本配制成的杂种1代,为七星类节瓜。该品种生育期露天栽培从播种至初收春季约70 d、秋季约52 d,延长采收期春季约34 d、秋季约35 d,全生长期春季约104 d、秋季约87 d;丰产性好,第1朵雌花着生节位7.3~9.6节,第1个瓜坐瓜节位8.3~11.0节。商品瓜呈短圆筒形,瓜皮深绿色,无棱沟。单瓜质量583.3~599.2 g,瓜长18.5~18.6 cm,横径7.3~7.6 cm,果肉厚度1.43~1.50 cm。果肉致密、品质优,粗蛋白含量(w,后同)0.38%,维生素C含量220 mg·kg^(-1),可溶性固形物含量5.2%。单株产量2.32~2.54 kg,平均667 m2产量3250 kg,适合华南地区及北方种植。2020年通过广东省农作物品种审定委员会评定。Guanhua No.7 is a new hybrid chieh-qua developed by crossing the subgynoecious line mbD2-2-2 as female parent and fbD-4 as male parent.The growth period of open field cultivation is about 70 days from sowing to harvest in spring and about 52 days in autumn,the harvest time lasts about 34 days in spring and about 35 days in autumn,and the whole growth period is about 104 days in spring and about 87 days in autumn,respectively.The first female flower is at 7.3-9.6 nodes and the first fruit is at 8.3-11.0 nodes.The commercial fruit is short cylindrical with dark green pericarp and no groove.The average fruit weight is 583.3-599.2 g,and the fruit is 18.5-18.6 cm in length,7.3-7.6 cm in diameter,and 1.43-1.50 cm in flesh thickness.The flesh is dense with high quality.The content of crude protein(w,the same below)is 0.38%,the content of vitamin C is 220 mg·kg^(-1),and the content of soluble solids is 5.2%.The yield per plant is 2.32-2.54 kg and the average yield on 667 m2 is 3250 kg.It is suitable for planting in South China and North China.

关 键 词：节瓜 新品种 冠华7号 早熟 丰产 

分 类 号：S642.3[农业科学—蔬菜学]