Agriculture

Diversity in susceptibility reactions of winter wheat genotypes to obligate pathogens under fluctuating climatic conditions

R. Jevtić, V. Župunski, et al.

This study by Radivoje Jevtić and colleagues delves into the intriguing dynamics between powdery mildew and rusts in wheat. By analyzing over 2000 winter wheat genotypes, it uncovers how shifting winter temperatures and specific climatic factors affect pathogen prevalence and interactions. A fascinating coexistence of rust species is revealed, shedding light on their critical implications for wheat production.

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Abstract

This study investigated the relationship between powdery mildew and rusts of wheat, examining how combined abiotic and biotic factors influence their prevalence. Using 2158 winter wheat genotypes (2016-2019), multiple regression models and principal component analysis determined the most influential factors on disease indices and relationships among obligate pathogens. The study revealed the coexistence of different rust species and the significant influence of fluctuating winter temperatures on pathogen prevalence. Genotype reactions to climatic elements at specific phenological stages significantly impacted pathogen interactions and the predominance of certain pathogens.

Publisher

Scientific Reports

Published On

Oct 27, 2020

Authors

Radivoje Jevtić, Vesna Župunski, Mirjana Lalošević, Bojan Jocković, Branka Orbović, Sonja Ilin

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