43787.CFR Annual text.indd - School of Environmental and Forest ...
43787.CFR Annual text.indd - School of Environmental and Forest ...
43787.CFR Annual text.indd - School of Environmental and Forest ...
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Douglas-Fir Sinuosity ResearchHave you ever seen a tree leader that looked like a corkscrew? Such growth is known as sinuosity, which is defined as thebending <strong>of</strong> a plant between any two whorls. Sinuous stems have a large amount <strong>of</strong> reaction wood, which is high in lignin <strong>and</strong> lowin cellulose. Severe reaction wood tends to warp sawn lumber <strong>and</strong> reduce pulp <strong>and</strong> paper value. One theory <strong>of</strong> why sinuosityoccurs is that calcium availability is low. Calcium is a nutrient essential for strong cell walls, <strong>and</strong> if adequate calcium is notavailable, then bending could occur. Sinuosity occurs in Douglas-fir st<strong>and</strong>s along the coast <strong>of</strong> Washington <strong>and</strong> Oregon, <strong>and</strong> iswidespread in some Weyerhaeuser <strong>and</strong> other timber company tree farms. Currently, Weyerhaeuser Company is supportinggraduate research through private support for the College to determine if inadequate calcium is a cause <strong>of</strong> sinuosity inDouglas-fir. Both greenhouse <strong>and</strong> field experiments are underway to assess the effects <strong>of</strong> low available calcium <strong>and</strong> calciumadditions to young, rapidly growing Douglas-fir.10Robert <strong>and</strong> Deborah EdstromSherrill <strong>and</strong> Andrew ElliottMichael <strong>and</strong> Deborah FeederCharles <strong>and</strong> Rose FinkelKevin FischerElizabeth <strong>and</strong> CharlesFitzgeraldWilliam <strong>and</strong> Verna FrancisJames FridleyWilliam <strong>and</strong> Patricia FullerSteven <strong>and</strong> Margaret GarberPaul Garner <strong>and</strong> Clair HectorCynthia GilbertD. Jean GillespieLeslie <strong>and</strong> Michael GillespieMarilyn GlennElbridge <strong>and</strong> Gloria GockerellAndrew <strong>and</strong> Michelle GoerdelKeith GormezanoCarol <strong>and</strong> James GreenR<strong>and</strong>all <strong>and</strong> Linda GreggsRaymond <strong>and</strong> Cesarina GuriesWilliam HagensteinJudith HanceDorothy <strong>and</strong> Jerome HarriganRobert HayJames <strong>and</strong> Ellen HeneghanJohn HenryJacqueline HightowerRoger <strong>and</strong> Diana HillstromS<strong>and</strong>ra <strong>and</strong> Gary HinesAnn Hirschi <strong>and</strong> Kraig SchwartzEric Hoberg <strong>and</strong> MargaretDykes-HobergRoger <strong>and</strong> Catherine HoestereyJudith HooperKeirdwyn HooperDonald <strong>and</strong> Gene HopkinsKarl HowardFrederick Hoyt <strong>and</strong> MichelleBarryMarie <strong>and</strong> Stephen HubbardCarol <strong>and</strong> Joseph HudsonGeorge <strong>and</strong> W<strong>and</strong>a HughesThomas HundleyDinah HutchinsonGeorge HutchinsonBillee <strong>and</strong> Dean IrwinMartin Jacobsen <strong>and</strong>Laurel HarringtonPeter JamesonKeith Johnson <strong>and</strong>Patricia CrockettDick <strong>and</strong> Donna JordonCarl <strong>and</strong> Lynn JorgensenClyde <strong>and</strong> Jean KalahanBeth <strong>and</strong> Leonard KashnerJennifer KayKathy KelleyRoxanne KenisonIrwin KleinmanLloyd KnutsonSuzanne Kotz <strong>and</strong>Stephen Tarn<strong>of</strong>fArthur KruckebergJack <strong>and</strong> Eleanor KrystadThomas KuykendallGregory <strong>and</strong> Mary LambertJohn L<strong>and</strong>onGeorge <strong>and</strong> Carla LankowPaul LantzErnest <strong>and</strong> Alice LauberCarrie <strong>and</strong> Dean LeeJeanne <strong>and</strong> Rhoady LeeKaren Lee <strong>and</strong> Dale WeissArleyn <strong>and</strong> Newton LeveeVictoria <strong>and</strong> Bart LikesBarbara <strong>and</strong> Bruce LippkeKaren LongGeorge <strong>and</strong> Millie LonngrenLouise <strong>and</strong> Ralph LuceRichard <strong>and</strong> Wilma LundJohn MacKean <strong>and</strong>Mary MacKean-KrockLawrence Maechler <strong>and</strong>Nancy TimsonWilliam MalloyMary <strong>and</strong> Ralph MarshallGillian MathewsPaul MathewsCara MathisonDouglas <strong>and</strong> Kristi McClell<strong>and</strong>Tom <strong>and</strong> Karen McCulloughWilliam McJohnKenneth McKayJ. L. McLachlanRuth MikelsJanice MillerRalph <strong>and</strong> Susan MinnichSara <strong>and</strong> Paul MockettDavid Mohler <strong>and</strong> JenniferO’NealWilliam <strong>and</strong> LaVonneMohundroEgon <strong>and</strong> Laina MolbakMargaret <strong>and</strong> W. Robert MooreIan <strong>and</strong> Clare MorisonDonald <strong>and</strong> Jean MorrowRobert <strong>and</strong> Susan MossFrances <strong>and</strong> Harold MyerTimothy MyersLeo NaganLee <strong>and</strong> John NeffJames <strong>and</strong> Janette NelsonJeanne NeptuneAllen <strong>and</strong> Sally NoelCharles NovakBrian <strong>and</strong> Carol O’KeefeElizabeth OlsonJohn <strong>and</strong> Rosemary OlsonPatricia OlsonDonald OlssonBarbara <strong>and</strong> Desmond O’NeillJames <strong>and</strong> Marshelle OrdlCarol Orion <strong>and</strong> R. JeffreyWenkMichael OsterDouglas <strong>and</strong> SuzanneOwens-PikeJerry <strong>and</strong> Carole PackardSusan Papanikolas <strong>and</strong>Richard SohnBerkeley ParksChitra <strong>and</strong> Zakir ParpiaCecilia Paul <strong>and</strong> Harry ReinertMaryann <strong>and</strong> Charles PemberFrank <strong>and</strong> Mary PetersJocelyn Phillips <strong>and</strong> WarrenBakkenMary PinkhamGeorge <strong>and</strong> Susanna PinyuhDonald <strong>and</strong> E. G. PlessDeirdre <strong>and</strong> William PlunkettRobert <strong>and</strong> Dianne PolsonFrancis PowersWallace PrestboDebra Prinzing <strong>and</strong>Bruce BrooksShannon RadleyLaura RamonAlan <strong>and</strong> Julia R<strong>and</strong>allDavid Reed <strong>and</strong> KathleenFlarity-ReedLela ReedDonald <strong>and</strong> Carla ReukemaJoyce <strong>and</strong> Keith RiceKlaus <strong>and</strong> Kathleen RichterCynthia RiskinHeather <strong>and</strong> Luke RogersOtto RomboutsJoAnne RosenSusan <strong>and</strong> Allen RosenbergHarold <strong>and</strong> Jean RosenkransAmadeo <strong>and</strong> Frances RossiLinelle RussLyn <strong>and</strong> Hans SauterJohn SawyerR. Gordon <strong>and</strong> MarcellaSchmidtPhilip <strong>and</strong> Therese SchnellSusan <strong>and</strong> John SchuhBronwyn Scott
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