Tiller production of grazed and clipped pinegrass
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Authors: D. G. Stout, B. Brooke
Date: 1987
Journal: Canadian Journal of Plant Science
Volume: 67
Number:
Pages: 503-508
Summary of Methods: Stout and Brooke measured the effects of clipping or grazing pinegrass (Calamagrostis rubescens) at different times during the growing season, and made comparisons between simulated and actual grazing treatments. Bi-weekly clipping or grazing reduced the height, weight, and density of pinegrass tillers and pinegrass yield the following season while single defoliations after May decreased pinegrass yield but mostly by a reduction in tiller heights. Grazed plants produced more tillers, after single grazing events or between biweekly grazing events than plants that were clipped and total nonstructural carbohydrate concentrations were not affected by clipping or grazing at any frequency. The results of this study suggest that single or multiple grazing events throughout the growing season will reduce production of pinegrass the following season and that clipping does not accurately simulate the effects of grazing on pinegrass plants.
Article Summary / Main Points: None
Vegetation Types:
MLRA Ecoregions:
Agrovoc Control Words: Riparian zones Rangelands Wildlife
Article Review Type: Refereed
Article Type: Experimental Research
Keywords: pinegrass, calamagrostis rubescens, herbage removal, tillering, total nonstructural carbohydrate, simulated grazing, tiller dynamics
Annotation: Plants were clipped or grazed to a 5 cm stubble height.
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