huangguashengchangguochengzhong,xixindecainonghuifaxianyouxiezhizhuguatiaoliangduhuizhujianxiajiang,daolezuihouyiliangcha,guatiaotongtidouhuibumanlafen,guatiaofawu,yanzhongyingxianglehuangguadexiaoshou。近日,筆者在壽光市洛城街道丁家樓村采訪時,李樹元師傅道出了原因所在:黃瓜自身莖蔓貼近地麵、濕shi度du又you比bi較jiao大da時shi易yi萌meng生sheng不bu定ding根gen,不bu定ding根gen下xia紮zha後hou,吸xi收shou營ying養yang供gong應ying自zi身shen生sheng長chang,導dao致zhi砧zhen木mu白bai籽zi南nan瓜gua去qu蠟la粉fen的de優you勢shi被bei削xue弱ruo。李li師shi傅fu通tong過guo在zai嫁jia接jie後hou及ji時shi斷duan根gen以yi及ji不bu斷duan給gei黃huang瓜gua“修腳”,使得南瓜去蠟粉的性狀免受幹擾,保證了中後期黃瓜商品性的穩定。
首shou先xian,嫁jia接jie後hou及ji時shi斷duan根gen。靠kao接jie時shi接jie穗sui黃huang瓜gua根gen係xi仍reng會hui保bao留liu一yi段duan時shi間jian,這zhe樣yang可ke使shi雙shuang根gen並bing駕jia齊qi驅qu,提ti高gao了le嫁jia接jie苗miao高gao的de成cheng活huo率lv,緩huan苗miao時shi間jian也ye縮suo短duan不bu少shao。但dan是shi,考kao慮lv到dao砧zhen木mu抗kang病bing、去蠟粉等的優勢,應盡早將黃瓜根係剪短。一般可在黃瓜靠接7~8天後,黃瓜心葉開始生長時把接穗根係斷掉。
其(qi)次(ci),落(luo)蔓(man)後(hou)勤(qin)檢(jian)查(zha),避(bi)免(mian)黃(huang)瓜(gua)著(zhe)生(sheng)不(bu)定(ding)根(gen)。隨(sui)著(zhe)黃(huang)瓜(gua)不(bu)斷(duan)落(luo)蔓(man),莖(jing)蔓(man)落(luo)在(zai)地(di)上(shang)後(hou),在(zai)高(gao)溫(wen)高(gao)濕(shi)的(de)條(tiao)件(jian)下(xia),很(hen)容(rong)易(yi)萌(meng)生(sheng)不(bu)定(ding)根(gen),下(xia)紮(zha)後(hou)同(tong)樣(yang)會(hui)導(dao)致(zhi)瓜(gua)條(tiao)上(shang)出(chu)現(xian)蠟(la)粉(fen)。於(yu)是(shi),李(li)師(shi)傅(fu)自(zi)己(ji)想(xiang)了(le)個(ge)辦(ban)法(fa),每(mei)隔(ge)一(yi)個(ge)月(yue)左(zuo)右(you),給(gei)黃(huang)瓜(gua)進(jin)行(xing)一(yi)次(ci)檢(jian)查(zha),修(xiu)剪(jian)一(yi)次(ci)不(bu)定(ding)根(gen),還(hai)戲(xi)稱(cheng)為(wei)“修腳”。即在晴好天氣,檢查一遍下部莖蔓,若有不定根則用小剪刀剪掉。注意:由you於yu下xia落luo的de莖jing蔓man較jiao多duo,因yin此ci在zai翻fan動dong莖jing蔓man修xiu剪jian不bu定ding根gen時shi動dong作zuo要yao輕qing柔rou,避bi免mian莖jing蔓man受shou到dao機ji械xie損sun傷shang。同tong時shi,修xiu剪jian後hou將jiang莖jing蔓man移yi至zhi起qi拱gong的de地di膜mo上shang,加jia強qiang通tong風feng排pai濕shi,減jian少shao地di膜mo上shang的de積ji水shui,可ke減jian少shao不bu定ding根gen著zhe生sheng。
此ci外wai,溫wen度du和he肥fei水shui管guan理li不bu得de當dang也ye會hui出chu現xian瓜gua條tiao不bu亮liang的de情qing況kuang。地di溫wen低di,影ying響xiang根gen係xi對dui養yang分fen的de吸xi收shou,尤you其qi是shi中zhong微wei量liang元yuan素su的de吸xi收shou困kun難nan,也ye可ke能neng造zao成cheng瓜gua條tiao發fa烏wu。在zai日ri常chang管guan理li中zhong,要yao注zhu意yi合he理li澆jiao水shui施shi肥fei,可ke以yi使shi用yong燈deng塔ta、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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