Incidence of Zonate Leaf Spot on Sorghum Accessions Under Disease-Conducive Growing Conditions Burleson County, Texas

Louis K. Prom and Thomas Isakeit
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Louis K. Prom: USDA-ARS, Southern Plains Agriculture Research Center, 2765 F & B Road, College Station, TX 77845
Thomas Isakeit: Department of Plant Pathology and Microbiology, Texas A&M University, College Station, TX 77843

Journal of Agriculture and Crops, 2022, vol. 8, issue 1, 35-38

Abstract: The frequent rains coupled with cooler than normal maximum temperatures in the early part of the 2021 growing season created conditions for severe outbreaks of zonate leaf spot infection on sorghum plants in the experimental plots at the Texas A&M AgriLife Farm, Burleson County, Texas. As a result, the incidence of zonate leaf spot was recorded for 68 accessions planted in one of the field trials. In this study, 13 sorghum accessions, including TAM428, BTx635, PI330255, PI534157, PI570841, PI609251, PI570726, and PI267588 were free of zonate leaf spot infection, indicating that they were highly resistant to the disease. The lines identified in this study may possess genes for resistance which can be useful in breeding programs for introgression of the resistant genes to elite or parental lines.

Keywords: Sorghum; Disease resistance; Gloeocercospora sorghi; Zonate leaf spot; Environmental conditions. (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:arp:jacarp:2022:p:35-38

DOI: 10.32861/jac.81.35.38

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