Bothofstraightandincliningpoplarclone107treewereselectedforstudyingmaterialsinthispaper.Theoptimalpulpingconditionswasestablishedbyorthogonalexperimentaldesignbothfornormalwoodandtensionwood,andthequalityofpulpingandpaper-makingbetweennormalwoodandtensionwoodwascomparedwitheachother.Finally,potentialapplicationforimprovingpaperqualityoftensionwoodthroughincreasingbeatingrevolutionswasdiscussed.Theresultshowedthattheoptimalcookingconditionfornormalwoodwasalkaliconcentration15%,thehighesttemperature164℃,timeathighesttemperature75min,andfortensionwooditwasalkaliconcentration13%,thehighesttemperature160℃,timeathighesttemperature40min.Pathcoefficientofeffectofalkaliconcentrationbothonpulpyieldandkappavaluewassignificantatdifferentlevels.Bycomparisonbetweenaverageresultofnormalwoodandtensionwoodinqualityofpulpingandpaper-making,itwasfoundthattensionwoodhadhigherpulpingyieldandlowerkappavaluethannormalwood.Furthermore,forallmechanicalpropertiesofpaper,normalwoodholdhighervaluethantensionwood,andevenneartwotimesthantensionwood,suchasburstindexandtensileindex.However,differenceoftearindexwasquitenarrow.ResultofonewayANOVAshowedthatdifferenceofburstindexandtearindexbetweennormalwoodandtensionwoodwassignificantatthe0.001level,oftearindexwassignificantatthe0.05level.Basedonobservationofcrosssurfaceofpaper,itwasassumedthatcontributionofgelatinouslayertorigidityofsinglefiberhadhamperedcollapseandcompressionoffiberduringpaperformation,whichisessentialforexertingcombinationbetweenfibersinpaper.So,mechanicalpropertiesoftensionwoodpaperweredecreasedaccordingly.However,owingtohighcellulosecontentofgelatinouslayer,tensionwoodwaseasiertopulpingthannormalwood.Mechanicalpropertiesoftensionwoodpapercouldbeimprovedbyincreasingbeatingrevolutions,
