Full TGIF Record # 33687
Item 1 of 1
Publication Type:
i
Report
Author(s):Crocker, Robert L.; Read, James C.; Moore, E. Zuzanna
Author Affiliation:Texas Agricultural Experiment Station
Title:Host plant resistance to apple grain aphid, Rhopalosiphum insertum (Homoptera: Aphididae), in Texas bluegrass, Canada bluegrass, and their hybrids
Article Series:Pests
Source:Texas Turfgrass Research - 1991. 1991, p. 93-94.
# of Pages:2
Publishing Information:College Station, TX: Texas Agricultural Experiment Station.
Series:Texas Agricultural Exp. Station Consolidated Report
Keywords:TIC Keywords: Rhopalosiphum insertum; Poa arachnifera; Poa compressa; Pest resistance; Insect pests
Abstract/Contents:The purpose of this research was to bioassay a cross-section of the experimental accessions and hybrids along with selected commercial cultivars of bluegrass for resistance to the apple grain aphid. Five mature-size aphids, R. insertum, were put on four of each type of plant. The other four plants of each type were kept on a separate bench about 2 meters away; the second group of plants were not infested. The results of the test indicate the presence of significant levels of resistance to the apple grain aphid in various cultivars and accessions of bluegrass. The average aphid population on the least attractive host ('Georgetown') was less than half that on the most attractive host (Texas x Canadian B). Further research is needed to determine whether antibiosis or nonpreference is the type of resistance that has been encountered here.
Language:English
References:5
Note:Tables
"PR-4914"
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Crocker, R. L., J. C. Read, and E. Z. Moore. 1991. Host plant resistance to apple grain aphid, Rhopalosiphum insertum (Homoptera: Aphididae), in Texas bluegrass, Canada bluegrass, and their hybrids. Tex Turfgrass Res. p. 93-94.
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