Full TGIF Record # 243247
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DOI:10.1111/j.1744-697X.2009.00169.x
Web URL(s):http://onlinelibrary.wiley.com/enhanced/doi/10.1111/j.1744-697X.2009.00169.x/
    Last checked: 05/30/2014
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http://onlinelibrary.wiley.com/doi/10.1111/j.1744-697X.2009.00169.x/pdf
    Last checked: 05/30/2014
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Publication Type:
i
Report
Author(s):Goldman, Jason; Springer, Tim
Author Affiliation:USDA-Agricultural Research Service, Southern Plains Range Research Station, Woodward, Oklahoma
Title:Population dynamics of greenbug biotypes "E" and "F" on Texas bluegrass
Source:Grassland Science. Vol. 56, No. 1, March 2010, p. 26-30.
# of Pages:5
Publishing Information:Oxford, England: Blackwell Pub.
Related Web URL:http://onlinelibrary.wiley.com/doi/10.1111/j.1744-697X.2009.00169.x/abstract
    Last checked: 05/30/2014
    Notes: Abstract only
Keywords:TIC Keywords: Cultivar improvement; Hybrids; Insect distribution; Insect surveys; Poa arachnifera; Poa compressa; Poa pratensis; Population dynamics; Regional variation; Schizaphis graminum
Abstract/Contents:"Cool-season perennial forage grasses are known to serve as alternate hosts of the greenbug, Schizaphis graminum (Rondani) in the southern Great Plains of the USA. Texas bluegrass (Poa arachnifera Torr.) is a cool-season perennial forage grass indigenous to this region and because of its persistence under grazing is being bred for improved forage production. An experiment was conducted to determine the population dynamics of greenbug biotype 'E', the predominant biotype found in this region and biotype 'F' which is known to infest bluegrass species. Twenty-five Texas bluegrass genotypes, three Kentucky bluegrass (Poa pratensis L.) genotypes, a Canada bluegrass (Poa compressa L.) genotype, two Texas ^D#x Kentucky bluegrass hybrids, and a Texas ^D#x Canada bluegrass hybrid were screened for their abilities to support greenbug population growth. Bluegrass species and genotypes varied significantly in their ability to support greenbug biotypes E and F. On the basis of higher aphid numbers, biotype E had a higher population growth rate as compared with biotype F on Texas bluegrass. Some Texas bluegrass genotypes were not included in both biotype trials due to lack of availability of uniform plant material for inoculation. Nine of 25 Texas bluegrass genotypes did not support biotype E greenbug population growth. Similarly, 13 of 22 Texas bluegrass genotypes did not support biotype F population growth. Both Canada and Kentucky bluegrass supported high populations of biotype F and interspecific hybrids varied in their host suitability to both biotypes."
Language:English
References:15
Note:Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Goldman, J., and T. Springer. 2010. Population dynamics of greenbug biotypes "E" and "F" on Texas bluegrass. Grassland Science. 56(1):p. 26-30.
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DOI: 10.1111/j.1744-697X.2009.00169.x
Web URL(s):
http://onlinelibrary.wiley.com/enhanced/doi/10.1111/j.1744-697X.2009.00169.x/
    Last checked: 05/30/2014
    Access conditions: Item is within a limited-access website
http://onlinelibrary.wiley.com/doi/10.1111/j.1744-697X.2009.00169.x/pdf
    Last checked: 05/30/2014
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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