隨著溫度的不斷降低,番茄出現了不少生理性問題。
落果 番茄果實在開花授粉3~4天後開始膨大,7~20tianhoupengdasuduzuikuai,guoshibuduanxiquyingxiangpengda,waijiehuanjingdebianhuayuguanlibudang,shifanqieguobingxingchengcengxibaofenlieshoudaoyingxiang,guozhiwufachengdanguoshizhongliang,daozhiluoguo。muqianfanqieluoguodezhuyaoyuanyinshiwendutiaokongyufeishuiguanlifangmiandewenti,yewenguodihehanlaobujundouhuiyingxiangguobingxingchengcengxibaofenlie。duifashengluoguoxianxiangdepengshi,chuduipengshihuanjingtiaokongwai,haikeyiyong5%萘乙酸水劑5000倍液噴霧,減少落果。
上部葉片黃化 主zhu要yao從cong葉ye柄bing或huo葉ye片pian的de下xia部bu開kai始shi向xiang葉ye尖jian蔓man延yan,葉ye脈mai和he葉ye肉rou都dou發fa黃huang。這zhe主zhu要yao是shi由you肥fei水shui管guan理li不bu當dang傷shang根gen漚ou根gen造zao成cheng的de,在zai冬dong季ji棚peng室shi中zhong發fa生sheng十shi分fen普pu遍bian。對dui根gen係xi受shou傷shang的de植zhi株zhu,首shou先xian要yao降jiang低di棚peng室shi土tu壤rang濕shi度du。濕shi度du過guo大da,土tu傳chuan病bing害hai易yi危wei害hai根gen係xi,可ke以yi通tong過guo化hua鋤chu使shi土tu壤rang快kuai速su散san濕shi,同tong時shi減jian少shao澆jiao水shui或huo控kong製zhi澆jiao水shui量liang。其qi次ci,澆jiao水shui時shi可ke以yi配pei合he施shi用yong甲jia殼ke素su、海藻酸、氨基酸類等促生根肥料,誘發新根生長。再次,注意葉麵補充微量元素,促進葉片葉綠素合成。
空洞果 大da棚peng番fan茄qie產chan生sheng空kong洞dong果guo,主zhu要yao是shi由you肥fei料liao使shi用yong不bu當dang或huo激ji素su使shi用yong過guo多duo造zao成cheng的de。激ji素su和he氮dan肥fei都dou會hui使shi番fan茄qie果guo實shi快kuai速su膨peng大da,授shou粉fen受shou精jing不bu良liang的de果guo實shi胎tai座zuo部bu分fen膨peng大da緩huan慢man,果guo實shi內nei部bu得de不bu到dao充chong實shi,形xing成cheng空kong洞dong果guo。地di溫wen過guo低di、光照不足、根gen係xi受shou傷shang等deng都dou是shi造zao成cheng空kong洞dong果guo的de原yuan因yin。防fang治zhi番fan茄qie發fa生sheng空kong洞dong果guo,應ying減jian少shao激ji素su的de使shi用yong次ci數shu和he用yong量liang,注zhu意yi多duo補bu充chong鉀jia肥fei,合he理li施shi用yong氮dan磷lin鉀jia肥fei,注zhu意yi提ti高gao棚peng內nei溫wen度du,增zeng加jia光guang照zhao,加jia強qiang肥fei水shui管guan理li。
手機版




