Genotypic variation in carbon isotope discrimination and gas exchange of ponderosa pine seedlings under two levels of water stress

As part of a program to select ponderosa pine (Pinus ponderosa Dougl. ex Laws.) genotypes for improved drought tolerance, we examined physiological and morphological characteristics of 12 half-sib families of ponderosa pine from four seed sources; New Mexico, South Dakota, Nebraska, and Wyoming. We...

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Veröffentlicht in:	Canadian journal of forest research 2000-10, Vol.30 (10), p.1581-1590
Hauptverfasser:	Olivas-Garcia, J.M, Cregg, B.M, Hennessey, T.C
Format:	Artikel
Sprache:	eng
Schlagworte:	Adaptation to environment and cultivation conditions Agronomy. Soil science and plant productions Biological and medical sciences Carbon Carbon isotopes chemical constituents of plants conifer needles Drought Drought resistance Evergreen trees Flowers & plants Fundamental and applied biological sciences. Psychology Gas exchange Genetic diversity genetic variation Genetics Genetics and breeding of economic plants genotype Genotypes leaf conductance Moisture availability Photosynthesis Pine trees Pines Pinus ponderosa plant morphology plant physiology provenance R&D Research & development seed sources seedling growth Seedlings stable isotopes Varietal selection. Specialized plant breeding, plant breeding aims water availability Water stress Water treatment Water use Water use efficiency Water vapor
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