冬dong季ji大da雪xue過guo後hou或huo連lian續xu低di溫wen少shao日ri照zhao天tian氣qi過guo後hou
，如ru果guo遇yu到dao氣qi溫wen迅xun速su回hui升sheng，大da棚peng蔬shu菜cai往wang往wang會hui出chu現xian萎wei蔫nian現xian象xiang

，輕qing者zhe延yan緩huan生sheng長chang發fa育yu，重zhong者zhe甚shen至zhi死si亡wang。萎蔫是葉片水分迅速蒸騰
，供不應求的現象，可以歸納為以下三種情況：

diyizhongqingkuangshiyouyuqianqiguodidewendu，bufenyepianhuoyepiandebianshaoshouledonghai，shiqubaoshuigongneng。shouhaikaishiyepianhuonenshaochengshuijinzhuang


，henkuaijiuhuiganku，yanseqinglv。wangwangrongyifashengzaifengkouhuogaimoposunchu。

第二種情況是前期根或莖基部受到根腐病、枯萎病、青枯病或地下害蟲的危害。檢查根、莖可以發現病灶或蟲咬的痕跡。

disanzhongshishenglixinghezanshixingweinian。zheshibijiaochangjiandeweinianxianxiang。yifangmianyouyuchangqidiwenguazhao，pengneituranghekongqideshiduda，shidegenxibufada，lingyifangmianshipengneiqiwenshangshengkuaizengjiayemianzhengteng，erturangshengwenhuanman
，genxihuolidixiasuozhi。

tixingdajiazhuyideshi

，qianliangzhongweiniandoushiqianqishouhaidanzhengzhuangbumingxian
，jinguantianqinghoubiaoxianmingxiandangenyuanzhuyaozaiqianqi。disanzhongqingkuangdebufenyuanyinyezaiqianqi，danzhuyaoshidangqianyingduiyaoheli。zhiyaokexueguanli，yibandounenghuifuzhengchangshengchang。

總(zong)之(zhi)，除(chu)了(le)寒(han)流(liu)期(qi)間(jian)注(zhu)意(yi)增(zeng)溫(wen)保(bao)溫(wen)和(he)噴(pen)灑(sa)藥(yao)劑(ji)防(fang)治(zhi)病(bing)蟲(chong)害(hai)等(deng)針(zhen)對(dui)性(xing)措(cuo)施(shi)以(yi)外(wai)，實(shi)行(xing)合(he)理(li)的(de)栽(zai)培(pei)管(guan)理(li)
，培(pei)育(yu)壯(zhuang)苗(miao)是(shi)應(ying)對(dui)氣(qi)候(hou)強(qiang)烈(lie)變(bian)化(hua)的(de)基(ji)礎(chu)。低(di)溫(wen)期(qi)間(jian)注(zhu)意(yi)保(bao)溫(wen)但(dan)不(bu)能(neng)一(yi)味(wei)地(di)密(mi)閉(bi)溫(wen)室(shi)
，管(guan)理(li)中(zhong)需(xu)要(yao)控(kong)水(shui)
、促根、降濕、防病。當外界升溫較快時要調節苫簾揭
、gaishijian，pingwenpengwendebianhuabingzhubulianmiao。yingzhuyiguanchashucaidebianhua，faxianshucaiweinian
，yinglijifangshanhuobufenzheguang，jianshaozhengteng，huifuhouzaijieshan，jingguoliangdaosantiandeduanlian，jiukeyizhuanruzhengchangguanli。

另外，出現萎蔫時千萬不要灌大水
，可適當噴施葉麵肥促進生長。