不同高生长阶段毛竹器官含水率的测定  

Measurement of Water Content in Different Organs of Phyllostachys pubescens

作　　者：姚兆斌[1] 江洪[1,2] 曹全[1] 

机构地区：[1]浙江林学院国际生态研究中心,浙江杭州311300 [2]南京大学国际地球系统科学研究所,江苏南京210093

出　　处：《安徽农业科学》2011年第5期2778-2780,2858,共4页Journal of Anhui Agricultural Sciences

基　　金：科技部973项目(2005CB422207;2002CB111504;2002CB410811;2005CB422208);国家自然科学基金项目(40671132);科技部数据共享平台建设项目(2006DKA32300-08);科技部国际合作项目(200073819);科技基础性工作专项(2007FY110300-08)

摘　　要：在天目山自然保护区对毛竹在2008和2009年的高生长及2009年的竹蔸、叶、秆、鞭和笋5个器官的含水率进行了测定。结果表明,在大、小年的高生长（Pn）与出土生长时间（t）的关系均呈＂S＂形曲线;竹蔸的含水率范围为0.33~0.70,竹叶为0.32~0.63,竹秆为0.32~0.58,竹鞭为0.36~0.61,竹笋为0.46~0.90,其中竹笋含水率最高,变化也最大,其次是竹蔸、叶、鞭和秆;毛竹地下部分的含水率范围为0.34~0.62,地上部分为0.33~0.57。The height growth of bamboo in 2008 and 2009 as well as the water contents of bamboo stump,leaves,straw,rhizome and in 2009 were measured at the Tianmu Mountain Nature Reserve.The results revealed that,the relationship between the height growth（Pn） and growth time（t） showed S-shaped curve in the two years;the water contents of bamboo stump,leaf,straw,rhizome and bamboo shoot were 0.50-2.31,0.46-1.80,0.50-1.38,0.56-1.58 and 0.89-8.96,respectively.In which,the water content of bamboo shoot was the highest and noticeable changed,follow by bamboo stump,leaves,rhizome and straw in order.The water contents of the underground and aboveground parts respectively were 0.34-0.62 and 0.33-0.57.

关 键 词：毛竹 含水率 高生长 天目山自然保护区 

分 类 号：S795.7[农业科学—林木遗传育种]