Browsing OSU Theses by Author "Damicone, John"
Now showing items 1-4 of 4
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Analysis of the Leptosphaeria Maculans Race Structure and Identification of Major-Gene Resistance to Black Leg in Winter Canola
Diaz Proano, Claudia Isabel (2015-05-01)Black leg, caused by the fungus Leptosphaeria maculans, is a widespread disease of winter canola (Brassica napus) in Oklahoma. Major resistance genes (Rlm) are expressed in seedlings and interact with avirulence genes in ... -
Biology and management of bacterial spot of tomato in Oklahoma
Johnson, Brett William (2020-05)In surveys of tomato fields during 2018 and 2019, bacterial spot was the most frequent foliar disease (72% of fields) followed by Septoria leaf spot (7%), and early blight (7%). Isolates of Xanthomonas spp. from 1998-2014 ... -
Effect of Foliar Fungicides on Relative Chlorophyll Content, Green Leaf Area, Yield and Test Weight of Winter Wheat
Graf-Grachet, Nathalia (2015-05-01)Wheat (Triticum spp.) is an important cereal crop susceptible to many foliar diseases that reduce grain production. These diseases can be managed by fungicide application that alleviate grain yield loss from susceptible ... -
Evaluation of Pecan Scab Disease Management Strategies to Improve Orchard Production and Reduce Pesticide Inputs
Payne, Andrea F. (Oklahoma State University, 2011-05-01)To facilitate the subsequent studies, initial experiments evaluated growth media best suited for maximizing sporulation of F. effusum in vitro . Additional studies were aimed at improving our understanding of weather ...