epiphytotic


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epiphytotic

(of plant diseases and parasites) affecting plants over a wide geographical region.
References in periodicals archive ?
Creating epiphytotics of Rhizoctonia root rot and evaluating for resistance to Rhizoctonia solani in sugarbeet field plots.
For the confirmation of resistance, a field experiment was conducted during kharif and rabi 2015 at College of Agriculture, University of Agricultural and Horticultural Sciences, Shivamogga under natural epiphytotic conditions.
When tested in Fort Collins, CO, and Rosemount, MN, in 2002 and 2003 for resistance to Cercospora leaf spot in an artificial epiphytotic (Ruppel and Gaskill, 1971), the scores were either intermediate (significantly more resistant than the susceptible check and significantly less resistant than the resistant check) or not significantly different from the resistant check.
FC710 (4X) also exhibited moderate resistance to cercospora leaf spot when tested in an artificial epiphytotic (Ruppel and Gaskill, 1971).