Pinus taeda

Production. Rosin is isolated from pine trees, principally from longleaf Pinuspalustris slash Pinus ellioti and lobloUy pine Pinus taeda. The products are known as gum, wood, or tall oil rosin, based on the method of isolation and the source. 

The role of plants has emerged from studies with soil slurries at a site with a cover of Paspalum notatum, Lespedeza cuneata, Solidago sp., and Pinus taeda in which increased degradation of trichloroethene to CO2 took place (Walton and Anderson 1990). In addition, prairie grasses can stimulate the effective remediation of PAH-contaminated soil (Aprill and Sims 1990). 

J. D. Lewis, R. B. Thomas, and B. R. Strain, Effect of elevated COi on mycorrhizal colonization of loblolly pine Pinus taeda L.) seedlings. Plant Soil /65 81 (1994). 

Goldstein etal. (1961) exposed acetylated ponderosa pine for 12 weeks to six basidio-mycete fungi, according to ASTM D1413-56T, with a WPG of 18 % reported to be sufficient to provide decay resistance. Peterson and Thomas (1978) acetylated loblolly pine (Pinus taeda), green ash (Fraxinus americana) and yellow poplar Liriodendron tulipfera), also... 

Laakso, K., Sullivan, J.H., and Huttunen, S., The effects of UV-B radiation on epidermal anatomy in loblolly pine Pinus taeda L.) and Scots pine (Pinus sylvestris L.), Plant Cell Environ., 23, 461, 2000. 

Sullivan, J.H. et al.. Changes in leaf expansion and epidermal screening effectiveness in Liquid-ambar styraciflua and Pinus taeda in response to UV-B radiation. Physiol Plant., 98, 349, 1996. 

Minogue, P.J., B.R. Zutter, and D.H. Gjerstad. (1988). Soil factors and efficacy of hexazinone formulations for loblolly pine (Pinus taeda) release. Weed Sci., 36 395 405. 

The Hemicelluloses of Loblolly Pine (Pinus taeda) Wood. Part I. The Isolation of Five Oligosaccharide Fragments, J. K. N. Jones and T. J. Painter,/. Chem. Soc., (1957) 669-673. 

To determine the distribution of lignin from bromine analysis, it is essential to know the reactivity of bromine toward lignin in different morphological regions. For black spruce (Picea mariana), Douglas-fir (Pseudotsuga menziesii) and loblolly pine (Pinus taeda), the lignin in the secondary wall of tracheids is 1.7... 

Parham RA, Cote WA Jr (1971) Distribution of lignin in normal and compression wood of Pinus taeda L Wood Sci Technol 5 49-62... 

Monolignol units usually maintain their trans-double bond in the side chain. During heartwood formation in gymnosperms, however, this double bond is reduced by phenylpropenal double bond reductases (PPDBR). The enzyme from Pinus taeda accepted dehydrodiconiferyl and coniferyl aldehydes but not the respective alcohols and NADPH as substrates (Kasahara et at, 2006). The structure of a very similar alkenal double bond reductase from Arabidopsis was studied (Youn et at, 2006b). 

Anterola, A.M., Jeon, J.Fi., Davin, L.B. and Lewis, N.G. (2002) Transcriptional control of monolignol biosynthesis in Pinus taeda. Factors affecting monolignol ratios and carbon allocation in phenylpropanoid metabolism. /. Biol. Chem., 277, 18272-80. 

Karam, M.D. (2001) The role of the B/b allelic pair in coumarin biosynthesis in white sweetclover (Melilotus alba Desr.). Flonors Thesis, University of Iowa, USA. Kasahara, FI., Jiao, Y, Bedgar, D.L., Kim, S.J., Patten, A.M., Xia, Z.Q., Davina, L.B. and Lewis, N.G. (2006) Pinus taeda phenylpropenal double-bond reductase ... 

Phillips, M.A., Wildung, M.R., Williams, D.C., Hyatt, D.C. and Croteau, R. (2003) cDNA isolation, functional expression, and characterization of (-l-)-alpha-pinene synthase and (—)-alpha-pinene synthase from loblolly pine (Pinus taeda) stereocontrol in pinene biosynthesis. Arch. Biochem. Biophys., 411, 267-76. 

Ro, D.K. and Bohlmann, J. (2006) Diterpene resin acid biosynthesis in loblolly pine (Pinus taeda) functional characterization of abietadiene/levopimaradiene synthase (PtTPS-LAS) cDNA and subcellular targeting of PtTPS-LAS and abietadienol/abietadienal oxidase (PtAO, CYP720B1). Phytochemistry, 67, 1572-8. 

The red-cockaded woodpecker also has a requirement for old-growth forest, in this case certain types of pine forest (especially loblolly pine, Pinus taeda) in the southeastern United States, in which this bird excavates nesting cavities in large, living trees that have fungal heart rot. The red-cockaded woodpecker breeds in small... 

Studies on Pinus taeda (4) indicate a strong increase in green moisture content with increasing height in the tree. Similar trends were observed among a number of Appalachian hardwoods and softwoods (5). 

Figure 5.17. Pith-to-bark increment cores for Pinus taeda growing in the southeastern US.

Table 5.6. Typical silvicultural system for loblolly pine, Pinus taeda, in Brazil on a high productivity site, with an initial stocking of 1111 stems/hectare.

Figure 6.4. Variation in stiffness in a single loblolly pine, Pinus taeda. The 0.8 to 2.0 contour values are in millions of psi, where a million psi is approximately 7 GPa (So et al., 2004).

Figure 6.10. Longitudinal shrinkage shrinkage in specimens of loblolly pine, Pinus taeda, as a function of stiffness (International Patent, 2000 filed by Weyerhaeuser).

J Peng, F Lu, J Ralph. Isochroman lignin trimers from DFRC-degraded Pinus taeda. Phytochemistry 50 659-666, 1999. 

TF Yeh, JL Braun, B Goldfarb, HM Chang, JF Kadla. Morphological and chemical variations between juvenile wood, mature wood, and compression wood of loblolly pine (Pinus taeda L.). Holrforschung 60 1-8, 2006. 

Guerra, A., Regis, M., Ferraz, A., Lu, F., and Ralph, J. (2004) Structural characterization of lignin during Pinus taeda wood treatment with Ceripotiopsis subvermispora. Appl. Environ. Microbiol. 70(7), 4073 78. 

Peng, J., Lu, R, and Ralph, J. (1999) The DFRC method for lignin analysis. Part 5. Isochroman lignin trimers from DERC-degraded Pinus taeda. Phytochem. 50(4), 659-666. 

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