Study on Variation Pattern of Microfibril Angle in Chinese Fir-中国Betway体育网页登陆

摘要 Microfibrilangle(MFA)inChinesefirwastestedbyX-raydiffractionapparatusandcalculatedbycomputersoftware.Theresultswereasfollows:MFAwascontrolledstronglybyinheritance,andtherewasnosignificantdifferenceinMFAamonginterspecies,juvenileandmaturewood.Inthelongitudinal,MFAreduceswiththeheightrisingfrom0to5.5m,especiallyintheheightsfrom0to1.5m.ThevaluesofMFAarenearlyconsistencefrom1.5to7.5m.Thevariationrangewasbetween10.82oand12.57ofrom1.5to7.5m,R2ofpowerequationachieved0.9321,andanalysisofvarianceindicatedthatthevariationofMFAwasnotsignificantfrom1.5to7.5m.TheageofthetreeshadanimportantinfluenceonMFA,consequently,thedifferenceinMFAwassignificantamongannualringsinradial,whichwasmaximalinnearpithandreducedrapidlyfromthepithtosapwood,anditsdeclinetendencywasslowbeyondtheninthannualring.MFAreachedminimumvalueatthe15thannualring,andthedifferencereachedmorethan20oandR2ofbinomialequationachieved0.7556.

1HUANG Luohua QIN Tefu.Study on Chemical Components and Properties of Radial Chinese Fir.林学,2007-03.
2ZHOUYongdong LIXiaoling.Study on Drying Characteristic of Chinese Fir and Poplar Plantation Wood.林学,2004-04.
3HUANG Luohua;QIN Tefu;OHIRA Tatsuro.Study on Volatile Organic Components from Chinese Fir Wood.林学,2006-03.
4Wang Runhui;Hu Dehuo;Zheng Huiquan;Wei Ruping;Huang Yuemao;Cai Weijiu.Clonal Variation in Growth and Wood Quality and the Multi-Trait Index Selection of Chinese Fir.林学,2012-03.
5.Variation Within Trees of Wood Anatomical Properties in Chinese-Fir Plantation and Their Relationship Modeling Equations.林学,2003-02.
6.Researches on Nutrition in Cultivation of Chinese Fir.林学,2002-01.
7Fu Liyong;Li Yongci;Li Chunming;Tang Shouzheng.Study of Dominant Height for Chinese Fir Plantation Using Two-Level Nonlinear Mixed Effects Model.林学,2012-03.
8.THE WATERMELON-CHINESE FIR INTERCROPPING SYSTEM.林学,1994-02.
9GUO Wei REN Haiqing YIN Yafang.Applicability of Visual Grading to Chinese Fir Structural Lumber.林学,2007-02.
10Ruchi Kothari;Pradeep Bokariya;Ramji Singh;Smita Singh;Purvasha Narang.Correlation of pattern reversal visual evoked potential parameters with the pattern standard deviation in primary open angle glaucoma.眼科,2014-02.

Study on Variation Pattern of Microfibril Angle in Chinese Fir

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