二氧化碳含量對春蘭含量的影響

全quan球qiu二er氧yang化hua碳tan含han量liang的de與yu日ri俱ju增zeng，相xiang信xin大da家jia有you目mu共gong睹du。二er氧yang化hua碳tan含han量liang的de升sheng高gao，對dui環huan境jing的de影ying響xiang，也ye逐zhu漸jian被bei人ren們men意yi識shi到dao。二er氧yang化hua碳tan濃nong度du同tong樣yang對dui植zhi物wu造zao成cheng很hen大da的de影ying響xiang
，蘭lan花hua作zuo為wei我wo國guo的de重zhong點dian花hua木mu，近jin幾ji年nian

，其qi數shu量liang已yi明ming顯xian減jian少shao，甚shen至zhi有you滅mie絕jue趨qu勢shi，因yin此ci研yan究jiu如ru何he保bao護hu蘭lan花hua生sheng長chang具ju有you劃hua時shi代dai意yi義yi。

通過研究我們發現：在高體積分數二氧化碳環境下
，葉片的數量普遍增多、葉片增厚、葉麵積增大。本研究中
，經二氧化碳倍增處理2個月後
，春蘭的葉片葉麵積比對照極顯著增大，但春蘭葉片數量、厚度與長度並沒有增大。這與前人的研究結果不一致
，有待進一步研究。其中二氧化碳含量可以通過二氧化碳檢測儀檢測。

在zai二er氧yang化hua碳tan體ti積ji分fen數shu倍bei增zeng條tiao件jian下xia，栽zai培pei植zhi物wu表biao皮pi細xi胞bao密mi度du和he維wei管guan束shu鞘qiao細xi胞bao中zhong的de葉ye綠lv體ti數shu明ming顯xian增zeng加jia，野ye生sheng植zhi物wu則ze呈cheng相xiang反fan趨qu勢shi。魏wei氓mang等deng觀guan察cha發fa現xian高gao二er氧yang化hua碳tan體ti積ji分fen數shu處chu理li下xia黃huang瓜gua葉ye片pian葉ye綠lv體ti的de長chang度du和he寬kuan度du分fen別bie比bi對dui照zhao增zeng加jia8.36%和26.49%。楊yang鬆song濤tao等deng的de實shi驗yan表biao明ming

，在zai高gao二er氧yang化hua碳tan體ti積ji分fen數shu下xia水shui稻dao葉ye綠lv體ti內nei的de澱dian粉fen粒li增zeng加jia
，葉ye綠lv體ti由you原yuan來lai的de近jin梭suo形xing變bian成cheng橢tuo圓yuan形xing或huo近jin圓yuan形xing。該gai研yan究jiu中zhong，經jing二er氧yang化hua碳tan倍bei增zeng處chu理li後hou春chun蘭lan葉ye綠lv體ti的de質zhi量liang分fen數shu有you極ji顯xian著zhu提ti高gao，說shuo明ming高gao二er氧yang化hua碳tan體ti積ji分fen數shu的de升sheng高gao有you利li於yu增zeng強qiang春chun蘭lan的de光guang合he作zuo用yong。

在二氧化碳體積分數升高對氣孔參數的影響方麵，不同植物表現各不相同。Woodward通過比較不同年代的植物標本和分析一些實驗結果後認為，有60.00%dezhiwuhuiyineryanghuatantijifenshushenggaoqikongmiduxiajiang。eryanghuatantijifenshushenggaokezaochengqikongguanbi，changqichuyugaoeryanghuatantijifenshuhuanjinghaihuiyingxiangqikongdefayu。gaiyanjiufaxian
，gaotijifenshueryanghuatanxiachunlanqikongmiduxiajiang
，qikongbianxiachang，jiqikongkaidubianxiao。qikongmidujianshaoheqikongguanbidezhongyaoshengliyiyizaiyushizhiwudeshuifenliyongxiaoyingfashenggaibian，zhezhongxiaoyingyueda

，yiweizhezhiwuguanghesulvyuegao。erMurryzengjiashegaoeryanghuatantijifenshuyinqideqikongdaoduyushuifenliyonglvdebianhuashitiaojieqikongneiqiangkongjiandejieguo，erfeiqikongdeduoshaoyinqide。kejian
，duieryanghuatantijifenshushenggaoyingxiangqikongdexingtaijiegouhefayuqingkuangdeyanjiuyingyuqitijiaohuandeyanjiujieheqilai，cainengzhengquelijiegaotijifenshueryanghuatanduizhiwuyepianqikongdeshenglishenghuayingxiang。lingwai
，chunlanchanliangdeyingxiangyinsuhaibaokuowendu
、照度、濕度等環境參數，當然這些參數的測定，也有專門的儀器如溫度照度監測儀，是用來測定溫度和照度的
，而自記式溫濕度計是用來測定溫度和濕度的。