Full TGIF Record # 64638
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Author(s):Reinert, J. A.; Read, J. C.
Author Affiliation:Reinert: Entomologist, Read: Forage & Turfgrass Genetics & Breeder, Texas A&M University Research & Extension Center at Dallas, TX
Title:Host resistance to white grubs among genotypes of Poa arachnifera x P. pratensis hybrids
Section:Pests and pest management: Insects
Other records with the "Pests and pest management: Insects" Section
Source:Texas Turfgrass Research - 1998. 1998, p. .
# of Pages:6
Publishing Information:College Station, TX: Texas Agricultural Experiment Station
Series:Texas Turfgrass Consolidated Progress Reports TURF-98-1 thru TURF-98-30
Keywords:TIC Keywords: Host plant resistance; White grubs; Genotypes; Poa arachnifera; Poa pratensis; Hybrids; Pest resistance; Quality; Cultivar evaluation; Color; Phyllophaga; Roots; Fertilization program
Abstract/Contents:"White grubs are perennial pests of both the cool- and warm season turfgrasses in North America. A 3-yr-old replicated planting of several varities of Texas bluegrass, Poa arachnifera Torr., and its hybrids with Kentucky bluegrass, P. pratensis L., was evaluated for resistance to white grub damage. A field population of Phyllophaga spp. (prob. P. congrua) had established and was causing significant damage across the replicated plots. On 31 May 1996, a visual rating of white grub damage to the grass in each turf plot was taken on a scale of 1-9 (turf damage, 9=most damage with loss of sand, yellowing and loss of root anchoring; 1= no damage or loss of turf quality). Plots were visually examined and the leaves of 4-5 random plants within the plot were pinched and pulled to indicate potential root damage and loss of anchoring. Based upon these results across a randomized planting in field plots exposed to natural adult selection, it appears that the two Texas bluegrass selections, Syn1 and Syn2, and the three Texas bluegrass x Kentucky bluegrass hybrids, 90-13-16, 90-13-8 and 90-16-1, have considerable resistance to white grub larvae. TXKY90-15-6 and TXKY-92-35-1 are very susceptible and sustained significant damage and loss of stand."
December 1998
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Reinert, J. A., and J. C. Read. 1998. Host resistance to white grubs among genotypes of Poa arachnifera x P. pratensis hybrids. Tex Turfgrass Res.
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