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1、41卷第12期東北林業(yè)大學(xué)學(xué)報(bào)V()1．4lNo．122013年l2月JOURNALOFNORTHEASlTFORERYUNIVERSITYDec．2Ol3柴松與油松針葉和木材解剖結(jié)構(gòu)的差異李龍解慶李周岐劉志紅(西北農(nóng)林科技大學(xué)，楊凌，712100)摘要對柴松、油松的針葉(徒手切片法)和木材(木材切片法)解剖結(jié)構(gòu)比較研究發(fā)現(xiàn)：柴松針葉的厚度、寬度均小于油松。柴松和油松針葉的單個(gè)縱生樹脂道平均面積分別為l394．40、l651．8l，單個(gè)針葉橫截面的平均樹脂道分別為4．87個(gè)和6．70個(gè)。柴松的早材寬度
2、、晚材寬度均小于油松，早晚材寬度比柴松為1．97。油松為1．94。柴松和油松的早材管胞壁腔比分別為O．188、0．193，晚材管胞壁腔比分別為0．478和0．475柴松和油松木材縱生樹脂道的單個(gè)平均面積分別為3620．69、5l】3．65m，橫生樹脂道平均面積分別為2727．62、3571．74Ixm。兩者的針葉和木材解剖結(jié)構(gòu)只是在各組織的大小、面積、密度等指標(biāo)上存在一定差異，在解剖結(jié)構(gòu)的組成上兩種松之間并無明顯區(qū)別關(guān)鍵詞柴松：油松；針葉：木材；比較解剖分類號Q944．53AnatomyofPinus
3、tabulaeformisf．shekanensisandPinustabulaeformisinNeedleandWood／LiLong．XieQing．LiZhouqi，LiuZhihong(NorthwestA＆FUniversity，Yangling712100，P．R．China)／／JoumalofNortheastForestryUni—versity．-2013．4l(12)．-60—63AnatomicstructuresofneedlesofPinustabulaefi~rmist
4、．ShekanemisandP．tabulaqformiswerestudiedbyfree—handsectionmethodandtheirwoodstructureswerestudiedbyxylotomy．ThethicknessandwidthofneedlesofP．tabulaeformisf．ShekanensisaremuchshorterthanthatofP．tabulaqformis．Theaverageofresincanalareaandquantityofneedles
5、ofP．tabulaeformisf．Shekanensisarel394．40Ixmand4．87．respectively，andl651．81mand6．70forP．tabulaefor—mis．respectively．Thewidthvaluesofearlywoodand1atewoodofP．tabulaeformisShekanensisarewiderthanthatofP．tabulaeformis．Theaverageofthewidthofearlywoodtolatewoo
6、dratioforP．tabulaeformisf．Shekanensisis1．97．a(chǎn)nd1．94forP．tabulaeformis．TheaverageoftracheidwallstolumenratioofearlywoodofPtabulaeformisf．Shekanen—sisandP．tabulaeformisare0．188and0．193，respectively，andtheaverageoftracheids’wallstolumenratioofthelatewoodof
7、P．tabulaeformisf．ShekanensisandP．tabulaeformisare0．550and0，617．respectively．TheaverageareaoflengthwaysresinductsandamphitropousresinductsofP．tabulaeformisf．Shekanensisare3620．69umand2727．62Ixm，respectively，5113．65Ixmand3571．54mforP．tabulaeformis，respect
8、ively．ThereissignificantdifferenceintheanatomicalcharactersoftissuesfromP．tabulaeformis￡．ShekanensisandP．tabulaeformissuchassize．a(chǎn)reaandden—sity．butthereisnosignificantdiferenceincompositionofanatomystructuresbetweentwokindsofpin
