论文部分内容阅读
黄瓜嫁接栽培是防治枯萎病最有效的技术措施。河北省保定市对嫁接黄瓜有了较大的改进,嫁接成活率在95％以上。其技术要点介绍如下。 1、适时播种 为了适时嫁接,应首先确定好砧木、接穗的播种时间。因黄瓜幼苗比黑籽南瓜幼苗生长快,可晚播3～5天。黑籽南瓜用55℃热水浸15分钟后,用30℃温水浸10小时左右,捞出沥干,用湿纱布包好在20～30％条件下,36小时即可出芽。当芽长0.5cm时播在育苗钵中,每钵1粒,覆土1.5～2.0cm。营
Grafted cucumber cultivation is the most effective technical measures to control Fusarium wilt. Baoding, Hebei Province, grafted cucumbers have been greatly improved, the graft survival rate of 95%. The technical points are described below. 1, timely sowing In order to timely grafting, should first determine the rootstock, scion sowing time. Cucumber seedlings grow faster than black seed pumpkin seedlings, late sowing 3 to 5 days. Black seed pumpkin with 55 ℃ hot water soak for 15 minutes, with 30 ℃ warm water soak for about 10 hours, remove and drain, with wet gauze wrapped in 20 to 30% conditions, 36 hours to sprout. When the shoot length 0.5cm sowing seedlings in the bowl, each bowl 1, casing 1.5 ~ 2.0cm. camp