优质番茄新品种青恋521的选育

Breeding of a new high-quality tomato variety Qinglian 521

青恋521是以D3-8-5为母本、TB1430-3-7为父本选育而成的无限生长型早熟番茄杂交1代新品种。该品种植株生长势强,普通花叶,叶色深绿,7~8节着生第1花序,花序间隔3片叶。中大果,幼果有绿果肩,成熟果粉色,果实圆形,硬度中,平均单果质量223 g。维生素C含量(w,后同)15.68 mg﹒100 g^(-1),总酸含量0.35%,可溶性固形物含量5.0%,可溶性总糖含量3.48%,番茄红素含量78.5 mg·kg^(-1),鲜食酸甜可口,品质佳。对番茄黄化曲叶病毒(tomato yellow leaf curl virus,TYLCV)、黄瓜花叶病毒(cucumber mosaic virus,CMV)、番茄花叶病毒(tomato mosaic virus,TMV)、叶霉病、枯萎病及根结线虫病均有一定的抗性,综合抗性强。丰产性较好,平均667 m^(2)产量7563.4 kg。适宜于河南、山东、河北、陕西等地早春保护地及越冬温室种植。2021年获得农业农村部植物新品种权。

Qinglian 521 is a new early-maturing tomato variety with unlimited growth,bred from D3-8-5 as the female parent and TB1430-3-7 as the male parent.This variety has strong growth potential,ordinary flowers and leaves and dark green leaves.The first inflorescence is borne on nodes 7-8,and the inflorescence is separated by 3 leaves.Medium-large fruit,young fruit has green shoulders,mature fruit is pink,round fruit,medium hardness,average single fruit weight is 223 g.The vitamin C content is 15.68 mg·100 g^(-1),the total acid content is 0.35%,the soluble solid content is 5.0%,the total soluble sugar is 3.48% and the lycopene content is 78.5 mg·kg^(-1).Fresh fruit is sour,sweet and delicious with excellent quality.It has certain resistance to tomato yellow leaf curl virus(TYLCV),cucumber mosaic virus(CMV),tomato mosaic virus(TMV),leaf mold,blight and root-knot nematodes,and has strong comprehensive resistance.This variety has good fertility,with an average yield of 7563.4 kg·667 m^(-2).It is suitable for planting in early spring protected areas and overwintering greenhouses in Henan,Shandong,Hebei,Shaanxi and other places.