jinliangnian,cainongweileshengquhuangguajiajiehouduangendemafan,pubiancaiyongdingjiefajinxingjiajie。keshi,henduocainongjinxingdingjieshi,zaichulihuangguajiesuishangguoyucaolv,jinyongdaopianxiezheyidaobianbaqixuexia,ranhoubianzhijiechajinlezhenmunanguadeliangpianziyejian。shubuzhi,rucidingjiehou,youyujiesuiyuzhenmudeyuhemianjixiao,daozhihouzhegonggeiqianzhedeyangfen、水分不夠充足,進而導致接穗遲遲不長,嫁接成活率低。
在此,提醒菜農朋友,在進行黃瓜頂接時,切不可草草了事,黃瓜接穗一定要削好。正確的做法:在黃瓜子葉下2厘米處,先用刀片將其平著切割下,而後左手拇指和食指捏住苗子,右手拿著刀片先呈45度角斜切一刀,然後把苗子反過來,再以同樣的角度斜切一刀,最後削成楔形,以增加與砧木的接觸麵積,促進嫁接口愈合。
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