Abstracts

Biological sciences

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Mating Patterns of a Subdivided Population of the Andean Oak (Quercus humboldtii Bonpl., Fagaceae)

Article Abstract:

Genetic research on the Andean oak shows it to be a resilient tree species that is able to tolerate the subdividing of populations, as long as such divisions consist of large fragments. Pollen pool structure and mixed mating system model were used to analyze the genetic data.

Oak, Oaks, Forest reproduction

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Genetic Structure Inside a Declining Red Oak Community in Old-Growth Forest

Article Abstract:

Studies on old-growth red oak stands in Indiana show a lack of smaller size classes within a large stand's forest interior, indicating the emergence of a genetic bottleneck in the stand's core habitat. Implications for genetic and demographic dynamics are discussed.

Indiana, Growth, Forest dynamics, Company growth, Red oak

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Genetic Analysis of the Species Cytoplasm Specific Gene (scs(d)) Derived from Durum Wheat

Article Abstract:

Research involved crossing lines of plump, viable (PV) seeds and shriveled inviable (SIV) seeds and production ratios of normal vigor plants (NVPs), and low vigor plants (LVPs) are provided.

Plant breeding, Durum wheat

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