Duncecap larkspur plants clipped in vegetative growth stage (late June) for 2 consecutive years produced only leaves and no flower stalks the third year. These plants were significantly smaller and contained a significantly lower concentration of total alkaloids than those plants clipped later in the summer or than unclipped control plants. This susceptibility to injury by clipping may help interpret results of other control methods. Total alkaloid content of previously unclipped larkspur plants was highest in the early growth stages and declined throughout the summer. Total alkaloid content in late June ranged from 1.7% to 2.8% and was not correlated with amount or pattern of precipitation. This material was digitized as part of a cooperative project between the Society for Range Management and the University of Arizona Libraries. The Journal of Range Management archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact lbry-journals@email.arizona.edu for further information. Migrated from OJS platform August 2020
Scholarly peer-reviewed articles published by the Society for Range Management. Access articles on a rolling-window basis from vol. 1, 1948 up to 5 years from the current year. Formerly Journal of Range Management (JRM). More recent content is available by subscription from SRM.