Structural and functional needle features of Pinus sibirica Du Tour grafting depending on the ontogenetic age of the donor trees
УДК 582.475.4:581.8+581.132
Keywords:
Grafting, needle morphology and anatomy, ontogeny, photosynthesis, Pinus sibirica, transpiration
Abstract
The morpho-anatomical, photosynthetic and transpiration features of 1, 2, 3-year-old needles of the Pinussibirica Du Tour grafting were studied. Cuttings were taken from donor trees of different ontogenetic ages (juvenile,3–5 years; immature, 20–60 years; generative, 200–350 years and senile, 350–700 years) and grafted onto 5-year-old P.sibirica stocks. The maximum values of the length, needles cross-sectional area and the photosynthesis were identifiedfor two-year and three-year needles of senile grafts, generative and juvenile grafts were characterized by intermediatevalues of these parameters. The differences between the ontogenetic groups decreased in the current year needles. Thetranspiration rate decreased with the needles aging, but did not differ between ontogenetic groups.
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References
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Day M. E., Greenwood M. S., White A. S. Age-related changes in foliar morphology and physiology in red spruce and their influence on declining photosynthetic rates and productivity with tree age // Tree Physiol., 2001. – Vol. 21. – P. 1195–1204.
Greenwood M. S., Hooper C. A., Hutchison K. W. Maturation in larch. I. Effect of age on shoot growth, foliar characteristics, and DNA methylation // Plant Physiol., 1989. – Vol. 90. – P. 406–412.
Greenwood M. S., Ward M. H., Day M. E., Adams S. L., Bond B. J. Age-related trends in red spruce foliar plasticity in regulation to declining productivity // Tree Physiol., 2008. – Vol. 28. – P. 225–232.
Hutchison K. W., Sherman C. D., Weber J., Smith S. S., Singer P. B., Greenwood M. S. Maturation in larch, II. Effects of age on photosynthesis and gene expression in developing foliage // Plant Physiol.,1990. – Vol. 94. – P. 1308– 1315.
Ryan M. G., Yoder B. J. Hydraulic limits to tree height and tree growth // BioScience, 1997. – Vol. 47. – P. 393–414
Seymour R. S., Kenefic L. Influence of age on growth efficiency of Tsuga canadensis and Picea rubens trees in mixedspecies, multiaged northern conifer stands // Can. J. For. Res., 2002. – Vol. 32. – P. 2032–2042.
Takemoto Y., Greenwood M. S. Maturation in larch: agerelated changes in xylem development in the long-shoot foliage and main stem // Tree Physiol., 1993. – Vol. 13. – P. 253–262.
Vanderklein D., Martinez-Vilalta J., Lee S., Mencuccini M. Plant size, not age, regulates growth and gas exchange in grafted Scots pine trees // Tree Physiol., 2007. – Vol. 27. – P. 71–79.
Published
2020-06-01
How to Cite
Bender O. G., Velisevich S. N. Structural and functional needle features of Pinus sibirica Du Tour grafting depending on the ontogenetic age of the donor trees // Проблемы ботаники Южной Сибири и Монголии, 2020. Vol. 19, № 1. P. 23-26 DOI: 10.14258/pbssm.2020005. URL: http://journal.asu.ru/bpssm/article/view/pbssm.2020005.
Section
Systematics of different taxa. Morphology and biology of different species
