如ru果guo從cong根gen瓜gua開kai始shi就jiu出chu現xian瓜gua條tiao不bu亮liang的de現xian象xiang,應ying考kao慮lv砧zhen木mu選xuan擇ze是shi否fou恰qia當dang。黃huang瓜gua的de亮liang度du主zhu要yao取qu決jue於yu砧zhen木mu的de去qu蠟la粉fen能neng力li,常chang用yong砧zhen木mu主zhu要yao有you白bai籽zi南nan瓜gua和he黑hei籽zi南nan瓜gua兩liang大da類lei,白bai籽zi南nan瓜gua又you分fen為wei小xiao籽zi和he大da籽zi兩liang類lei,其qi中zhong以yi小xiao白bai籽zi南nan瓜gua去qu蠟la粉fen能neng力li最zui好hao。黑籽南瓜去蠟粉能力差,瓜條表麵多覆有一層蠟粉,瓜表麵發白,亮度差。選擇砧木時,要選擇純度高、去蠟粉能力強的白籽南瓜品種。
對前期瓜生長正常,到後期出現瓜表麵不光亮的情況,應考慮以下兩方麵的原因。
一yi是shi接jie穗sui黃huang瓜gua是shi否fou再zai次ci紮zha根gen。黃huang瓜gua嫁jia接jie斷duan根gen後hou,在zai棚peng室shi高gao溫wen高gao濕shi的de環huan境jing條tiao件jian下xia,緊jin挨ai著zhe嫁jia接jie口kou的de部bu位wei容rong易yi萌meng發fa出chu次ci生sheng根gen,時shi間jian一yi長chang就jiu會hui紮zha進jin土tu中zhong,這zhe樣yang就jiu降jiang低di了le白bai籽zi南nan瓜gua的de去qu蠟la粉fen能neng力li,影ying響xiang瓜gua的de色se澤ze。在zai黃huang瓜gua生sheng長chang過guo程cheng中zhong,要yao及ji時shi檢jian查zha並bing切qie斷duan嫁jia接jie口kou黃huang瓜gua的de新xin根gen。
ershiwenduhefeishuiguanlishifoudedang。shendongqipengwenjiaodi,yingxianggenxiduiyangfendexishou,youqishiduizhongweiliangyuansudexishou,kenengzaochengguafawubuliang。zairichangguanlizhongyaozhuyihelijiaoshuishifei,keyishiyonghaolipu、芳潤等全水溶性肥料,配合使用阿波羅963養根素、根佳等,並調控好溫度,避免上述情況出現。
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