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Saturday, April 4, 2020
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Tag: selection

Excessive Nibbling May Interfere With Reproduction for the Noble Rhubarb

Nobile rhubarb reproduces in one final burst at the end of it's life, but yaks might be bring that life to an end early.

Genes involved in the biosynthesis of Chiloglottis semiochemicals

Selection on duplicated plant volatile genes is thought to have enabled the evolution of floral volatiles crucial to plant-insect interactions.

Genomic architecture of phenotypic divergence between two hybridizing plant species along an elevational gradient

Hybrid zones that occur across environmental gradients provide excellent opportunities for studying the maintenance of divergent adaptations in the presence of gene flow. They...

Hydraulic adjustment in a pine species across its range

The ability of P. canariensis to inhabit a wide range of ecosystems seems to be associated with high phenotypic plasticity.

Floral polymorphism and environmental heterogeneity

Floral polymorphism and environmental heterogeneityPolymorphism in flower colour may be maintained either by pollinator preferences or by environmental fluctuations. Tang and Huan examine gynoecium...

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Plants from different climates can react to drought in similar ways

How do plants react when circumstances change? One method can be to evolve a local adaptation. Another can be be phenotypic plasticity,...

Not All Pine Needles Are Identical: Lower Crown Loss in Pinus radiata

When fungal infection comes to Pinus radiata, it can run through the bottom of the crown of the tree, removing its leaves....

How do you get more DNA down a pollen tube?

A common event for flowering plants is whole genome duplication (WGD), where a plant gets extra chromosomes. It’s often studied in mature...

Simulating the effects of local adaptation and life history on the ability of plants to track climate shifts

Local adaptation is common but not universal in plants and results from the interplay of gene flow with natural selection. Gene flow...