甜tian瓜gua栽zai培pei最zui忌ji重zhong茬cha,為wei確que保bao甜tian瓜gua種zhong植zhi連lian年nian成cheng功gong,各ge地di多duo使shi用yong嫁jia接jie苗miao。要yao保bao證zheng秧yang苗miao整zheng齊qi劃hua一yi,則ze隻zhi有you在zai嫁jia接jie時shi既ji要yao保bao證zheng質zhi量liang,又you要yao注zhu重zhong接jie後hou管guan理li,才cai能neng保bao證zheng一yi次ci嫁jia接jie、一次成活、一次夠用。
一、嫁接方法
甜瓜種子按10厘米×10厘米的間距播種在苗畦內。用白籽南瓜作砧木,把南瓜種子播種在營養缽中,時間要比甜瓜籽晚播20~30天tian,或huo者zhe等deng甜tian瓜gua苗miao的de第di一yi片pian真zhen葉ye長chang到dao五wu分fen錢qian硬ying幣bi大da小xiao時shi再zai播bo種zhong南nan瓜gua苗miao,以yi使shi二er者zhe在zai嫁jia接jie時shi的de莖jing粗cu相xiang接jie近jin。等deng南nan瓜gua苗miao的de兩liang片pian子zi葉ye充chong分fen展zhan開kai,一yi般ban8~10天後,在南瓜苗生長點以下以40°角向下斜切,將南瓜苗的生長點及其中的一片子葉切掉。接穗(甜瓜苗)在真葉下1~1.2厘米處呈30°角向上斜切,將甜瓜的嫩尖切下,使接穗切口長度與砧木切口長度相當。把砧木與接穗切口密接,然後用嫁接夾夾好接口。
二、接後管理
jiajiehoulijixiangyingyangbozhongjiaoshaoxushui,baozhengshuifengongying。zaijiajiemiaoshangfugaigongpeng,bingfengbiyanmi。jiehouzhaochangjiegaiwenshicaoshan,baochishineiwendu。baitianzhongwuyangguangzhaosheqianglieshi,kezaigongpengshangyongbaozhi、牛皮紙等遮陰防日曬。接後3天內,白天溫度控製在28℃~32℃,晚上溫度控製在20℃~22℃。接後2~3天內,一定要密封溫室內的小拱棚,使棚內的空氣濕度保持在90%~100%,3天後,白天溫度可降至26℃~28℃,晚上降至18℃~20℃,並可在白天打開小拱棚頂部風口進行放風。放風口要由小到大,7天後可撤去小拱棚。接後7tianzuoyoushangkoujibenyuhe,cishiyaoqieduanjiesuigenbu,shijiesuiyuzhenmuxingchengzhengti。jiajiechenghuohou,jiangzhenmushangxinshengchudeceyajishichuqu,jieshengyangfen,liyujiajiemiaodeshengchang。
三、操作技巧
1.caiyongzhezhongfangfajinxingjiajieshi,tianguamiaokeyishidangzaobo,ningkerangtianguamiaodengnanguamiao,juebunengrangnanguamiaodengtianguamiao。yinweinanguamiaochangdahou,qijingbuhuichuxianzhongkong,ruguonanguamiaodejingzhongkonghou,jiajiedechenghuolvhuidadajiangdi。
2.如果甜瓜苗過大時,可以從甜瓜苗的上部切取莖的尖端,以使甜瓜苗與南瓜苗的莖粗相接近,這樣嫁接並不影響嫁接效果。
3.育(yu)南(nan)瓜(gua)苗(miao)時(shi),可(ke)以(yi)分(fen)批(pi)下(xia)南(nan)瓜(gua)籽(zi),便(bian)於(yu)嫁(jia)接(jie)時(shi)總(zong)有(you)合(he)適(shi)的(de)南(nan)瓜(gua)苗(miao)可(ke)供(gong)使(shi)用(yong),防(fang)止(zhi)一(yi)次(ci)播(bo)種(zhong)過(guo)多(duo),不(bu)能(neng)及(ji)時(shi)嫁(jia)接(jie),讓(rang)南(nan)瓜(gua)苗(miao)的(de)莖(jing)部(bu)出(chu)現(xian)中(zhong)空(kong)影(ying)響(xiang)成(cheng)活(huo)。
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