最zui近jin,記ji者zhe在zai壽shou光guang市shi洛luo城cheng街jie道dao東dong斟zhen灌guan村cun采cai訪fang時shi,該gai村cun菜cai農nong老lao李li向xiang記ji者zhe反fan映ying,他ta家jia的de甜tian椒jiao最zui近jin膨peng果guo慢man,落luo花hua落luo果guo嚴yan重zhong。一yi開kai始shi,老lao李li以yi為wei是shi脫tuo肥fei,結jie果guo連lian衝chong了le幾ji遍bian肥fei也ye不bu見jian起qi色se,無wu奈nai隻zhi得de向xiang記ji者zhe求qiu助zhu。
在老李的棚裏,記者發現他的甜椒坐果並不是太多,每棵植株上一般以5—6個果實居多。按說,一般的植株坐5—6個ge果guo完wan全quan能neng拉la得de動dong。那na會hui是shi什shen麼me原yuan因yin呢ne?記ji者zhe觀guan察cha後hou發fa現xian,甜tian椒jiao植zhi株zhu的de葉ye片pian有you大da量liang的de白bai斑ban和he幹gan邊bian現xian象xiang,個ge別bie嚴yan重zhong的de植zhi株zhu一yi些xie葉ye片pian都dou焦jiao枯ku了le。老lao李li解jie釋shi說shuo,前qian段duan時shi間jian噴pen藥yao濃nong度du大da了le些xie,結jie果guo受shou了le藥yao害hai,現xian在zai長chang勢shi剛gang開kai始shi恢hui複fu。“藥害發生後,你為什麼不趕緊疏疏果?”記者問。“隻是傷了葉片,果實並沒有受害,為什麼要疏果呀?”老李有些不解。
記者見老李直到現在還糊塗著,於是耐心地向他解釋:“果guo實shi要yao膨peng大da,就jiu必bi須xu有you足zu夠gou的de葉ye片pian數shu量liang來lai為wei它ta提ti供gong光guang合he營ying養yang。你ni看kan你ni家jia的de甜tian椒jiao藥yao害hai這zhe麼me重zhong,很hen多duo葉ye片pian都dou焦jiao枯ku了le,為wei果guo實shi提ti供gong的de光guang合he營ying養yang必bi然ran不bu足zu,甜tian椒jiao膨peng果guo慢man,出chu現xian落luo花hua落luo果guo也ye就jiu在zai所suo難nan免mian了le。”
jingjizhezhemeyidianbo,laolizongsuanmingbailetajiatianjiaopengguomandeyuanyin。buguotaduizenyangbujiuhaishiyouxiemangran。weici,jizhejianyilaoliyinglijizuohaoliangdiancuoshi:
yishilijishuguo。congmuqiantianjiaozhizhudechangshilaikan,mingxianlabudongkezishangdeguoshi,yincicaichuxianpengguoman,luohualuoguoxianxiang。suoyi,laoliyinglijishuguo,shuguodeduoshaoyinggenjumeikezhizhudeqingkuanglaiding,shouyaohaijiaoqingdezhizhuyingshaoshuhuobushu,shouyaohaijiaozhongdeyingduoshuhuoquanshu。tongguoshuguo,laicujinzhizhuxunsufanke,yimianyinxiaoshida。
二是做好養葉工作。對於老李棚內甜椒葉片嚴重受損的情況,應立即用6000倍液的愛多收、1500倍的甲殼素以及全營養葉麵肥等葉片噴灑,每3—5天一次,連噴2—3次,緩解藥害症狀,補充葉片營養,提高葉片光合作用能力,以促使植株盡快提頭開葉。
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