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属间嫁接西瓜试验用砧木有溧水南瓜、南京雨花区葫芦、溧水土种丝瓜,接穗西瓜品种华东24号、新澄1号。嫁接方法和管理如下: 断根插接法砧木真叶初现,接穗子叶半开时为嫁接适期。洗去砧木根部泥土,剪去一些根须,剃掉芯叶,用竹签由芯部插45度的针楔形孔,但不能插入茎空心处。接穗子叶下1.5厘米处用剃刀削一楔形面,长度与孔深度相同,插入砧木,使砧木与接穗的子叶互成垂直,以免接穗移位。嫁接后3天,小拱棚要密封遮光,白
Between the grafting watermelon rootstocks are Lishui pumpkin, Nanjing Yuhua District gourd, Lushui soil loofah, scion varieties of East China East 24, Xin Cheng 1. Grafting methods and management are as follows: Rootstock plugging method Rootstock is now true, when the scion cotyledons half-open for the appropriate period of grafting. Wash away rootstock root soil, cut off some roots, shaving the core leaf, with a bamboo stick from the core plug 45 degree needle wedge hole, but can not be inserted into the hollow stem. Scion cotyledons with a razor 1.5 cm cut a wedge-shaped surface, the same length and hole depth, insert the rootstock, rootstock and scion cotyledons perpendicular to each other in order to avoid scion shift. 3 days after grafting, small shed to seal shading, white