苦瓜专用砧木丝瓜新品种蓉砧1号的选育

＂蓉砧1号＂是一个苦瓜嫁接专用砧木新品种,母本S1-7-2是从中蔬所引进的丝瓜材料S1-7经过2a单株定向选育而成的稳定自交系,父本S1-23-3是从四川省内收集的丝瓜资源经过3代连续自交选育的稳定自交系。该品种根系发达,与苦瓜嫁接栽培时,抗枯萎病能力强,嫁接亲和力高,共生亲和性好,耐涝、耐旱能力强,生长快,长势强,能改善接穗品质,增产达16%。

Development of A New Special Rootstock Cultivar, Rongzhen No.1

Rongzhen No.1 is a new special rootstock cultivar for the balsam pear grafting,the female parent S1-7-2 is a steady-going inbred line obtained by the directional selection to the individual plant of the towel gourd material (S1-7) introduced from China vegetable institute for two years. The male parent (S1-23-3) is a steady-going inbred line obtained by the inbreeding to the towel gourd resource collected from Sichuan province for continuous three era. This line has the developed roots,the high resistance t...