Full TGIF Record # 317149
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Web URL(s):https://scisoc.confex.com/scisoc/2021am/meetingapp.cgi/Paper/134408
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Publication Type:
Content Type:Abstract or Summary only
Author(s):Houting, Kirtus P.; Kerns, James P.; Miller, Grady L.; Schwartz, Brian M.; Patton, Aaron J.; Milla-Lewis, Susana R.
Author Affiliation:Houting, Miller, and Milla-Lewis: Crop and Soil Sciences, North Carolina State University, Raleigh, NC; Kerns: Plant Pathology, North Carolina State University, Raleigh, NC; Schwartz: Department of Crop and Soil Sciences, University of Georgia-Tifton, Tifton, GA; Patton: Purdue University, West Lafayette, IN
Title:Increasing insights into the polygenic inheritance of large patch resistance in zoysiagrass
Section:Turfgrass physiology, molecular biology, and genetics poster (includes student competition)
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C05 turfgrass science
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Meeting Info.:Salt Lake City, Utah: November 7-10, 2021
Source:ASA, CSSA and SSSA International Annual Meetings. 2021, p. 134408.
Publishing Information:[Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America]
# of Pages:1
Abstract/Contents:"Large patch (LP), caused by Rhizoctonia Solani AG2-2 LP, is a very damaging foliar disease that can cause large areas of zoysiagrass to die, leaving behind bare spots that are visually unappealing to homeowners, sports managers, and sod producers. Development of cultivars with genetic resistance to the fungus is the most effective means for management of LP. A large germplasm screening under controlled environmental conditions identified plant introduction PI 231146 as highly resistant. Elucidating the genetic control of LP resistance in this genotype would facilitate its transfer into elite zoysiagrass cultivars. For this purpose, a mapping population derived from a cross between LP susceptible 'Meyer' (Z. japonica) and resistant PI231146 (Z. matrella) was used to construct a high-density linkage map of single nucleotide polymorphism (SNP) markers. Additionally, the population was evaluated for LP response under controlled environmental conditions. For 24 days post inoculation with infected rye grains, at 3-day intervals, inoculated pots were individually rated for disease incidence by determining the percentage of shoots with distinct, water-soaked lesions on the leaf sheaths. Areas under the disease progress curve (AUDPC) were calculated for the 24-day interval. Preliminary results are displaying wide segregation for LP response within the population. DNA markers found to be associated with large patch resistance could be used to select superior genotypes more rapidly and with more precision than by relying solely on disease pressure in the field."
See Also:See also related abstract in ASA, CSSA, SSSA International Annual Meeting, 2022, p. 142461, R=324862. R=324862
Note:This item is an abstract only!
"Poster #1253"
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Houting, K. P., J. P. Kerns, G. L. Miller, B. M. Schwartz, A. J. Patton, and S. R. Milla-Lewis. 2021. Increasing insights into the polygenic inheritance of large patch resistance in zoysiagrass. Agron. Abr. p. 134408.
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