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Title: Responses to defoliation in Holcus lanatus, Lolium perenne, and Trifolium repens from three different-aged pastures: Journal: Canadian Journal of Botany; Authors: L. W. Aarssen, and R. Turkington; Date: 1987; Summary: The effects of defoliation on biomass distribution were studied in plants of Holcus lanatus, Lolium perenne, and Trifolium repens, collected from three different-aged pastures in British Columbia. Data for all three species illustrated that with increasing pasture age, there was a significant trend of increasing compensatory clonal growth in response to defoliation. Plants from the three pastures showed no differences in tiller numbers or stolon length in the absence of defoliation. This suggests that selection has favored those genotypes in the oldest pasture that respond to defoliation by ...; Agrovoc Control Words: Riparian zones, Rangelands, Wildlife; View more details about this article