Full TGIF Record # 66809
Item 1 of 1
Publication Type:
i
Report
Author(s):Colbaugh, P. F.; Read, James C.; Metz, S. P.
Author Affiliation:Colbaugh: Associate Professor, Urban Plant Pathology, The Texas Agricultural Experiment Station, Dallas, TX; Read: Associate Professor, Forage and Turfgrass Breeding and Genetics, The Texas Agricultural Experiment Station, Dallas, TX; Metz: Research Associate, Urban Plant Pathology, The Texas Agricultural Experiment Station, Dallas, TX
Title:Susceptibility of Texas bluegrass and Texas bluegrass X Kentucky bluegrass hybrids to Puccinia spp. stem rust damage
Section:Pests and pest management: A. Diseases
Other records with the "Pests and pest management: A. Diseases" Section
Source:Texas Turfgrass Research - 1997. December 1997, p. [1-3].
# of Pages:3
Publishing Information:College Station, TX: Texas Agricultural Experiment Station
Series:Texas Turfgrass Consolidated Progress Reports TURF-97-1 thru
97-33
Keywords:TIC Keywords: Poa arachnifera; Poa pratensis; Hybrids; Puccinia; Puccinia graminis subsp. graminis; Disease susceptibility; Disease severity; Comparisons; Genotypes; Quality; Disease resistance
Abstract/Contents:"Texas bluegrass (Poa arachnifera Torr.) and Texas bluegrass X Kentucky bluegrass (Poa pratensis) hybrids were evaluated for suspectibility to Puccinia spp. stem rust occurrence during fall 1996 and spring 1997. The hybrid, TXKY90-13-16, exhibited a smaller amount of the disease damage on 2 Aug. 1996 and 14 April 1997 compared to all other hybrids or Texas bluegrass genotypes. Hybrid TXKY90-13-8 also had little rust disease on either of the observation dates. Texas bluegrass Syn-1 showed the greatest stem rust damage of all the bluegrass genotypes, but with less damage in the spring of 1997. A visual rating was assigned each genotype based on overall appearance of each turfgrass. The hybrid, TXKY90-13-16, rated the highest in visual quality during late summer of 1996, but was not statistically different than any of the others in the spring of 1997. Overall turfgrass visual ratings were lower in the spring of 1997, due to poor density of stands and weed encroachment. Both Texas bluegrasses, Syn-1 and Syn-2, ranked lowest in overall turfgrass quality and appearance on 2 Aug. 1997. The hybrid, TXKY90-15-6, ranked lowest in visual quality of all hybrids and statistically similar the visual quality of Texas bluegrasses, Syn-1 and Syn-2. Both turfgrass quality and stem rust disease ratings taken on 2 Aug. 1996 and 14 April 1997 were based on a visual scale of 1-9 (9 ?[1]? =best turfgrass quality; 9=most leaf spot disease)."
Language:English
References:4
Note:TURF-97-4
Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Colbaugh, P. F., J. C. Read, and S. P. Metz. 1997. Susceptibility of Texas bluegrass and Texas bluegrass X Kentucky bluegrass hybrids to Puccinia spp. stem rust damage. Tex Turfgrass Res. p. [1-3].
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