小xiao麥mai是shi重zhong要yao的de糧liang食shi作zuo用yong，在zai世shi界jie各ge地di都dou有you廣guang泛fan的de栽zai培pei。而er在zai小xiao麥mai生sheng長chang過guo程cheng中zhong，小xiao麥mai葉ye片pian發fa揮hui中zhong重zhong要yao的de作zuo用yong。葉ye片pian是shi小xiao麥mai進jin行xing光guang合he作zuo用yong的de主zhu要yao器qi官guan，其qi葉ye麵mian積ji的de大da小xiao影ying響xiang著zhe光guang合he作zuo用yong，而er小xiao麥mai籽zi粒li產chan量liang的de絕jue大da部bu分fen都dou來lai源yuan於yu開kai花hua後hou的de光guang合he產chan物wu，因yin此ci，葉ye麵mian積ji的de大da小xiao對dui小xiao麥mai籽zi粒li產chan量liang的de形xing成cheng具ju有you較jiao大da的de影ying響xiang，本ben文wen通tong過guo葉麵積測量儀研究不同小麥品種的產量與LAI的關係。

一
、不同小麥品種的產量與LAI的關係

經過葉麵積測量儀的檢測

，發現生育後期的LAI對千粒重的影響較大
，進而影響最終的產量，對成穗粒數的影響較小
，不同小麥品種各生育時期的LAI與千粒重及產量的相關性分析見表1。

經過葉麵積測量儀的檢測分析，並結合表1
，womenkeyicongzhongdezhi，butongxiaomaipinzhonggeshengyushiqiyemianjizhishuyuxiaomaichanliangdouyouzheyidingdexiangguanxing
，yanjiubiaoming，yunsuiqiyemianjizhishuyuqianlizhongjichanliangchengzhengxiangguanguanxi，kaihuahou
，yemianjizhishuyuqianlizhongjichanliangchengfuxiangguan
，shuominghouqiyemianjizhishujugaobuxia，zhizhuyuyepianzhongdeyangfenbunenggoujishizhuanyundaozilizhong
，huizaochengqianlizhongdejiangdi
，erdaozhichanliangxiajiang，youcikeyikanchu

，yunsuiqiyemianjizhishudaxiaoshihouqiganwuzhijileidejichu，erkaihuahou，yemianjizhishuguogaozehuidaozhiqianlizhongdexiajiang。