penzaihuahuizaishengchangfayuguochengzhong,youyuhuanjingyinsuhehuahuibenshendeyuanyinchuxianweinianxianxiang,shihuahuishengchangshoudaoyizhi,yanzhongzhehuishihuahuikusi,bixucaiqucuoshijishijinxingyanghuhefuzhuang。
一、旱蔫:花hua木mu長chang期qi幹gan旱han未wei能neng夠gou及ji時shi澆jiao水shui,從cong頂ding端duan開kai始shi向xiang下xia萎wei蔫nian,枝zhi幹gan皮pi層ceng皺zhou縮suo直zhi至zhi全quan株zhu枯ku死si。在zai這zhe種zhong情qing況kuang下xia,要yao對dui幹gan旱han花hua木mu葉ye麵mian及ji周zhou圍wei環huan境jing噴pen水shui,保bao持chi較jiao高gao的de環huan境jing濕shi度du,切qie忌ji在zai高gao溫wen環huan境jing下xia使shi用yong大da量liang溫wen度du低di的de水shui澆jiao灌guan土tu壤rang。
二、水蔫:turangzhonghanshuiliangguoda,zhiwugenxihuxishouzuhuozhixiersi,zhiyedebudaogenxideshuifengongying,shibiweinianshenzhikusi。duishouhaihuamuyaobimianqiangguangzhisheheqiangfengzhichui,jianqubufennenzhinenye,jianshaoshuifenzhengfa。dizaidehuamujishisongtu。penzaidehuamu,tichusanfenzhiyiguoshidepentu,jiashanggantuzhongxinzaizhi,jieheyemianpenshui,meigesantianpenyicixibodeyefei,ruciyanghu10天,受害的花木即可康複。
三、肥蔫:花木土壤中肥料濃度過高,使花木中的水分向土壤內滲透(即反滲透),俗su稱cheng燒shao根gen,造zao成cheng花hua木mu萎wei蔫nian甚shen至zhi枯ku死si。地di栽zai的de受shou害hai花hua木mu,可ke大da量liang灌guan水shui稀xi釋shi土tu壤rang中zhong的de肥fei料liao濃nong度du,並bing及ji時shi排pai出chu。盆pen栽zai的de花hua木mu,剔ti除chu盆pen內nei表biao土tu,用yong水shui澆jiao灌guan,使shi過guo多duo的de肥fei料liao隨sui水shui從cong花hua盆pen低di部bu流liu出chu,再zai在zai盆pen麵mian覆fu上shang一yi層ceng素su土tu。同tong時shi對dui受shou害hai花hua木mu采cai取qu遮zhe陰yin、葉麵噴水等措施,維持花木枝葉生命,經過10天至20天即可恢複正常。
四、蟲蔫:天牛、jidingchongweihaiyanzhongshi,pohuailehuamuzhuganhuozhuzhideshudaozuzhi,zaochengjubuhuozhengzhuweinianhuokusi,chonghaizaochengdeweinianshinanyihuifude,zhenguihuamukejiangzhitiaojianxia,jinxingqianchahuojiajie。
五、風蔫:花木發生的新梢,特別是春梢大量生長時,遇上強烈的光照和強風(特別是幹燥風),花木常發生萎蔫。這時要采取遮蔭、避風、葉麵噴水即可防止新梢失水而萎蔫。
六、熱蔫:夏季喜歡涼爽環境的花卉,如果放置在光照強、溫度高的地方,葉片會出現萎蔫內卷,甚至枯黃脫落。應立即將其放到濕潤、通風、涼爽的地方。
七、冷蔫:北方氣溫波動大,夜間氣溫突然降至10℃以下,一些南方花卉如扶桑、茉莉、杜鵑等,清晨葉子會萎蔫失去光澤,中午氣溫升高後逐漸複原。短時間的冷蔫對花卉影響不大,但應該注意保暖。
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