作zuo物wu葉ye片pian的de大da小xiao常chang是shi反fan映ying作zuo物wu的de生sheng長chang狀zhuang況kuang的de一yi個ge標biao準zhun，就jiu拿na油you菜cai來lai說shuo
，油you菜cai苗miao期qi以yi營ying養yang生sheng長chang為wei主zhu，葉ye片pian的de光guang合he產chan物wu大da部bu分fen用yong於yu油you菜cai植zhi株zhu體ti的de構gou建jian，地di上shang營ying養yang體ti的de增zeng長chang
，表biao現xian為wei葉ye片pian增zeng多duo和he葉ye麵mian積ji擴kuo展zhan
，幼you苗miao生sheng長chang速su度du和he生sheng長chang勢shi均jun隨sui溫wen度du的de逐zhu漸jian上shang升sheng而er加jia強qiang。因yin此ci測ce定ding油you菜cai葉ye麵mian積ji成cheng了le判pan斷duan其qi長chang勢shi的de合he理li依yi據ju，為wei了le提ti高gao工gong作zuo效xiao率lv及ji精jing度du
，可ke采cai用yong葉麵積測量儀進行測定。

    jiezhuyemianjiceliangyideceliangkeyouxiaopandingyoucaishifouxufei，kejiaqiangtianjianguanli，keyiweiyoucaishengzhishengchangjileijiaoduodeyingyangwuzhi
，congertigaochanliang。chucizhiwai
，tongguogaiyiqideceliang，hainengbangzhuqitaguoshileizuowuyufangkongdong，biruxigua
，zaidiwenshisuojiedeguoshiwangwangfashengkongdong，zhexieguoshiyinzhongzishuliangshao，xinshirongjibunengchongfenzengda
，yudaodiwenganzaoshi
，tonghuayangfenshusongbuzu，zhongzizhouweimeiyouhenhaopengda，erhouyouyudaolegaowenjiakuailechengshu，yecujinleguopidefayu，zuizhongxingchengkongdongguo。 縱裂空洞果：在zai果guo實shi膨peng大da後hou期qi形xing成cheng的de。當dang近jin種zhong子zi部bu位wei已yi趨qu成cheng熟shu，而er靠kao近jin果guo皮pi附fu近jin的de一yi部bu分fen組zu織zhi仍reng在zai發fa育yu

，由you於yu果guo實shi內nei部bu發fa育yu不bu均jun衡heng，而er使shi種zhong子zi周zhou圍wei一yi部bu分fen組zu織zhi裂lie開kai。可ke能neng是shi由you於yu以yi坐zuo果guo節jie位wei為wei中zhong心xin
，下xia位wei葉ye和he上shang位wei葉ye麵mian積ji不bu等deng，同tong化hua養yang分fen失shi去qu平ping衡heng。果guo實shi膨peng大da不bu均jun勻yun造zao成cheng縱zong裂lie

，上shang位wei葉ye麵mian積ji較jiao大da時shi
，果guo實shi膨peng大da期qi延yan長chang
，就jiu容rong易yi形xing成cheng縱zong裂lie果guo。
    為(wei)了(le)有(you)效(xiao)防(fang)治(zhi)這(zhe)類(lei)作(zuo)物(wu)病(bing)害(hai)
，我(wo)們(men)就(jiu)可(ke)以(yi)采(cai)用(yong)葉(ye)麵(mian)積(ji)測(ce)量(liang)儀(yi)對(dui)它(ta)們(men)的(de)葉(ye)麵(mian)積(ji)大(da)小(xiao)進(jin)行(xing)測(ce)量(liang)
，根(gen)據(ju)不(bu)同(tong)時(shi)期(qi)葉(ye)麵(mian)積(ji)大(da)小(xiao)和(he)需(xu)肥(fei)需(xu)水(shui)之(zhi)間(jian)的(de)聯(lian)係(xi)，再(zai)進(jin)行(xing)科(ke)學(xue)灌(guan)溉(gai)施(shi)肥(fei)
，就(jiu)能(neng)有(you)效(xiao)防(fang)治(zhi)作(zuo)物(wu)疾(ji)病(bing)的(de)發(fa)生(sheng)啦(la)！