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Experimental ecological genetics in plantago 9. differences in growth and vegetative reproduction in plantago lanceolata plantaginaceae from adjacent habitats



Experimental ecological genetics in plantago 9. differences in growth and vegetative reproduction in plantago lanceolata plantaginaceae from adjacent habitats



American Journal of Botany 70(1): 53-58



Two adjacent populations of P. lanceolata were observed to have different rosette morphologies and, apparently, capacities for vegetative reproduction. Plants growing in an open, sunny habitat were clumped while those found growing in a periodically shaded habitat, only developed as single rosettes. Representative genotypes from each population were cloned from leaf cuttings and propagated in controlled-environment facilities. Growth and vegetative reproduction were measured under 2 contrasting irradiances to determine whether the differences seen in the field were primarily genetic or environmentally induced. Apparently each population was adapted to the light regime most similar to that prevailing in its natural habitat. The clumping in the open population was the result of a greater capacity for vegetative reproduction.

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Accession: 005422762

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Related references

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