Full TGIF Record # 60213
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Publication Type:
Author(s):Crutchfield, Berry; Potter, D. A.; Powell, A. J.
Author Affiliation:Crutchfield: Graduate Student, Entomology; Potter: Ornamental and Turfgrass, Entomology; Powell: Department of Agronomy, Turfgrass Research/Extension Staff, University of Kentucky
Title:Feeding impact, damage thresholds, and food preferences of turf-infesting white grubs
Source:Kentucky Turfgrass Research 1992-1993. 1993, p. 47.
# of Pages:1
Publishing Information:Lexington, KY: University of Kentucky, College of Agriculture, Cooperative Extension Service
Series:Progress Report 356
Keywords:TIC Keywords: White grubs; Threshold values; Poa pratensis; Lolium perenne; Agrostis stolonifera; Festuca ovina subsp. duriuscula; Festuca arundinacea; Endophytes; Popillia japonica; Dynastinae; Turfgrass quality; Clipping weight; Root weight; Insect control; Cultural methods
Abstract/Contents:"This study seeks to quantify relationships between grub density, root damage, foliar growth, and aesthetic quality of different cool-season turfgrasses to establish damage thresholds for making management decisions. We are also studying how management practices such as watering and fertilization affect expression of grub injury on different grasses ... These studies indicate that damage thresholds for white grubs are higher than previously thought. Treatment of infestations < 10-15 grubs/ft² would generally not be justified unless the turf is additionally stressed. Remedial irrigation in August and September should mask the injury from all but very severe infestations."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Crutchfield, B., D. A. Potter, and A. J. Powell. 1993. Feeding impact, damage thresholds, and food preferences of turf-infesting white grubs. KY. Turfgrass Res. p. 47.
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