抗青枯病番茄砧木品种宝砧6号的选育

宝砧6号是以自交系Y0609-4-6为母本,自交系T0802-7-4为父本配置而成的番茄砧木一代杂交种。该品种为无限生长型,生长旺盛,茎秆粗壮,株型紧凑,高抗青枯病;与生产上主栽品种嫁接亲和性好,对果实品质、商品性无不良影响,作砧木嫁接栽培抗青枯病和抗早衰能力效果明显,嫁接种植田后期可延长采收15~20 d,增产幅度超过15%。目前该品种已成为资源车田、永福三皇等番茄产业基地嫁接砧木的主要应用品种,推广应用面积达400 hm~2。

Breeding of Baozhen No.6, a Bacterial Wilt-resistance Tomato Rootstock Cultivar

Baozhen No.6 is an F1 hybrid of the tomato rootstock using the inbred line Y0609-4-6 as a female parent and the inbred line T0802-7-4 as a male parent. This cultivar has better graft compatibility with main cultivar and many characteristics of infinite growth, strong growth vigor, stocky stem, compact plant type, high resistance to bacterial wilt. In addition, the fruit quality and marketability could not be affected adversely. The grafted tomato has high resistance to bacterial disease and premature senility, the harvest period can be extended 15-20 days and its yield can be increased by 15% above in contrast to the control. Currently, this cultivar has been popularized as a major rootstock cultivar on a number of tomato industry bases such as Ziyuanchetian and Yongfusanhuang bases and so on. The cultivated area has reached about 400 hm2.