{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,5,14]],"date-time":"2025-05-14T02:06:51Z","timestamp":1747188411683,"version":"3.40.5"},"reference-count":54,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2024,6,24]],"date-time":"2024-06-24T00:00:00Z","timestamp":1719187200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/100005825","name":"National Institute of Food and Agriculture","doi-asserted-by":"publisher","award":["Hatch Project 1018601"],"award-info":[{"award-number":["Hatch Project 1018601"]}],"id":[{"id":"10.13039\/100005825","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["The Plant Journal"],"published-print":{"date-parts":[[2024,8]]},"abstract":"<jats:title>SUMMARY<\/jats:title><jats:p>Tropospheric ozone [O<jats:sub>3<\/jats:sub>] is a secondary air pollutant formed from the photochemical oxidation of volatile organic compounds in the presence of nitrogen oxides, and it is one of the most damaging air pollutants to crops. O<jats:sub>3<\/jats:sub> entry into the plant generates reactive oxygen species leading to cellular damage and oxidative stress, leading to decreased primary production and yield. Increased O<jats:sub>3<\/jats:sub> exposure has also been shown to have secondary impacts on plants by altering the incidence and response to plant pathogens. We used the\u00a0<jats:italic>Capsicum annum<\/jats:italic> (pepper)\u2010<jats:italic>Xanthomonas perforans<\/jats:italic> pathosystem to investigate the impact of elevated O<jats:sub>3<\/jats:sub> (eO<jats:sub>3<\/jats:sub>) on plants with and without exposure to <jats:italic>Xanthomonas<\/jats:italic>, using a disease\u2010susceptible and disease\u2010resistant pepper cultivar. Gas exchange measurements revealed decreases in diurnal photosynthetic rate (<jats:italic>A<\/jats:italic>\u2032) and stomatal conductance (), and maximum rate of electron transport (<jats:italic>J<\/jats:italic><jats:sub>max<\/jats:sub>) in the disease\u2010resistant cultivar, but no decrease in the disease\u2010susceptible cultivar in eO<jats:sub>3<\/jats:sub>, regardless of <jats:italic>Xanthomonas<\/jats:italic> presence. Maximum rates of carboxylation (<jats:italic>V<\/jats:italic><jats:sub>c,max<\/jats:sub>), midday <jats:italic>A<\/jats:italic> and <jats:italic>g<\/jats:italic><jats:sub>s<\/jats:sub> rates at the middle canopy, and decreases in aboveground biomass were negatively affected by eO<jats:sub>3<\/jats:sub> in both cultivars. We also observed a decrease in stomatal sluggishness as measured through the Ball\u2013Berry\u2013Woodrow model in all treatments in the disease\u2010resistant cultivar. We hypothesize that the mechanism conferring disease resistance to <jats:italic>Xanthomonas<\/jats:italic> in pepper also renders the plant less tolerant to eO<jats:sub>3<\/jats:sub> stress through changes in stomatal responsiveness. Findings from this study help expand our understanding of the trade\u2010off of disease resistance with abiotic stresses imposed by future climate change.<\/jats:p>","DOI":"10.1111\/tpj.16888","type":"journal-article","created":{"date-parts":[[2024,6,25]],"date-time":"2024-06-25T06:29:27Z","timestamp":1719296967000},"page":"1830-1843","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Physiological responses of pepper (<i>Capsicum annum<\/i>) to combined ozone and pathogen stress"],"prefix":"10.1111","volume":"119","author":[{"given":"Collin","family":"Modelski","sequence":"first","affiliation":[{"name":"Department of Biological Sciences Auburn University  Auburn Alabama 36849 USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Neha","family":"Potnis","sequence":"additional","affiliation":[{"name":"Department of Entomology and Plant Pathology Auburn University  Auburn Alabama 36849 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