首页> 美国卫生研究院文献>Annals of Botany >Genetic Variation of Stomatal Traits and Carbon Isotope Discrimination in Two Hybrid Poplar Families (Populus deltoides ‘S9-2’ × P. nigra ‘Ghoy’ and P. deltoides ‘S9-2’ × P. trichocarpa ‘V24’)
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Genetic Variation of Stomatal Traits and Carbon Isotope Discrimination in Two Hybrid Poplar Families (Populus deltoides ‘S9-2’ × P. nigra ‘Ghoy’ and P. deltoides ‘S9-2’ × P. trichocarpa ‘V24’)

机译:两个杂种杨树家庭气孔性状的遗传变异和碳同位素鉴别(Populus deltoidesS9-2×P. nigraGhoy和P. deltoidesS9-2×P. trichocarpaV24)

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摘要

Background and AimsStomata play an important role in both the CO2 assimilation and water relations of trees. Therefore, stomatal traits have been suggested as criteria for selection of clones or genotypes which are more productive and have larger water-use efficiency (WUE) than others. However, the relationships between plant growth, WUE and stomatal traits are still unclear depending on plant material (genus, species, families, genotypes) and, more precisely, on the strength of the relationships between the plants. In this study, the correlations between these three traits categories, i.e. plant growth, WUE and stomatal traits, were compared in two related poplar families.
机译:背景和目的气孔在树木的二氧化碳吸收和水关系中都起着重要作用。因此,已提出气孔性状作为选择克隆或基因型的标准,这些克隆或基因型比其他的具有更高的生产力和更高的用水效率(WUE)。然而,取决于植物材料(属,种,科,基因型),更确切地说,取决于植物之间关系的强度,植物生长,水分利用效率和气孔性状之间的关系仍然不清楚。在这项研究中,比较了两个相关杨树科中这三个性状类别之间的相关性,即植物生长,水分利用效率和气孔性状。

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