Full TGIF Record # 195591
Item 1 of 1
Publication Type:
i
Refereed
Author(s):Hong, Seung Cheon; Williamson, R. Chris; Held, David W.
Author Affiliation:Hong and Williamson: Department of Entomology, University of Wisconsin, Madison, WI; Held: Department of Entomology and Plant Pathology, Auburn University, Auburn, AL
Title:Preference and performance of black cutworm (Lepidoptera: Noctuidae) on Poa species
Source:Journal of Environmental Horticulture. Vol. 29, No. 4, December 2011, p. 207-212.
Publishing Information:Washington, DC: Horticultural Research Institute
# of Pages:6
Keywords:TIC Keywords: Agrostis stolonifera; Agrotis ipsilon; Bioassay; Cultivar evaluation; Cultivar variation; Feeding preferences; Hosts of plant pests; Injuries by insects; Insect behavior; Insect resistance; Insect surveys; Larva; Pest control methods; Poa pratensis
Abstract/Contents:"Black cutworm (Agrotis ipsilon Hufnagel) is a destructive pest of golf course turf. Previous work suggests that Poa pratensis 'Midnight' is resistant to black cutworm, but it is not known if resistance also exists among other Poa species and cultivars. This study compared preference and performance of black cutworm on Poa species and cultivars to a susceptible host plant, creeping bentgrass (Agrostis stolonifera L. 'Penncross') in laboratory choice feeding assays and rearing experiments. Seven-and 14-day-old larvae were used in performance feeding tests. Larvae reared on all Poa spp. exhibited significantly lower development and survival rates than larvae fed creeping bentgrass. Young (7 days old) larve did not survive to pupation. Although older (14 days old) larvae pupated and eclosed[enclosed] on Poa, larval weight gain was significantly lower than those reared on creeping bentgrass. In choice feeding bioassays, regardless of larval stage, black cutworm preferred creeping bentgrass over all Poa species and cultivars. The results of this research suggest that although Poa species are generally resistant to black cutworm, the resistance varies among cultivars and insect growth stage."
Language:English
References:22
Note:Tables
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Hong, S. C., R. C. Williamson, and D. W. Held. 2011. Preference and performance of black cutworm (Lepidoptera: Noctuidae) on Poa species. J. Environ. Hortic. 29(4):p. 207-212.
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