Extensive long-distance pollen dispersal in a fragmented landscape maintains genetic diversity in white spruce.

Conifers are among the most genetically diverse plants but show the lowest levels of genetic differentiation, even among geographically distant populations. High gene flow among populations may be one of the most important factors in maintaining these genetic patterns. Here, we provide empirical evidence for extensive pollen-mediated gene dispersal between natural stands of a widespread northern temperate/boreal conifer, Picea glauca.

Genetic variation and control of chloroplast pigment concentrations in Picea rubens, Picea mariana and their hybrids. I. Ambient and elevated [CO2] environments.

Traits related to light-energy processing have significant ecological implications for plant fitness. We studied the effects of elevated atmospheric CO(2) concentration ([CO(2)]) on chloroplast pigment traits of a red spruce (RS) (Picea rubens Sarg.)-black spruce (BS) (P.

Light-energy processing and freezing-tolerance traits in red spruce and black spruce: species and seed-source variation.

Red spruce (Picea rubens Sarg.) and black spruce (Picea mariana (Mill.) B.