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Variability of Pollen-grains Length for Native Species of Willows in Bryansk Woodland

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A.A. Afonin

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581.15 + 582.623

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Abstract

The statistics of pollen-grains length variability (l) for 13 willow types are provided. The well-ordered character of interspecies variability l is shown. The separation of palinometric groups of species is substantiated. L is proved not to be a taxonomic characteristic. The concurrency in l distribution in different palinometric groups is revealed. The concept of genomic number ? is introduced, possible relation between l and genomic numbers of species is discussed.

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A.A. Afonin

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Variability of Pollen-grains Length for Native Species of Willows in Bryansk Woodland

 

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