{"id":1035,"date":"2026-05-28T08:33:41","date_gmt":"2026-05-28T08:33:41","guid":{"rendered":"https:\/\/tucsonmovingreport.com\/?p=1035"},"modified":"2026-05-28T08:33:41","modified_gmt":"2026-05-28T08:33:41","slug":"warm-winter-fuels-early-virus-threat-in-yuma-melon-fields","status":"publish","type":"post","link":"https:\/\/tucsonmovingreport.com\/?p=1035","title":{"rendered":"Warm winter fuels early virus threat in Yuma melon fields"},"content":{"rendered":"
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YUMA, AZ (AZFamily)<\/b> \u2014 An unusually warm winter in the Desert Southwest may be to blame for an early virus outbreak now showing up in Yuma-area melon fields, according to University of Arizona experts.<\/p>\n

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Plant pathologist Christopher Detranaltes with the University of Arizona Yuma County Cooperative Extension said mild temperatures helped insects survive in larger numbers than usual, including whiteflies, which can spread multiple plant viruses.<\/p>\n

\u201cPrimarily,, what we are concerned with in the agricultural space is those viruses that are transmitted by white flies at least here in the desert southwest,\u201d Detranaltes said.<\/p>\n

Typically, a cold winter knocks back insect populations that carry plant diseases. But this year\u2019s warmer conditions created what experts describe as a near-ideal environment for pests, increasing the risk of virus transmission earlier in the growing season.<\/p>\n

Detranaltes said once melon plants contract these viruses, symptoms don\u2019t show up right away.<\/p>\n

\u201cThe melons, once they contract these viruses, will stay dormant for about a couple of weeks, during which you won\u2019t see any symptoms,\u201d he said.<\/p>\n

In early April, scientists tested dozens of melon plants growing in fields across the Yuma area. Detranaltes said researchers are currently focused on three viruses, all of which could significantly damage crops \u2014 especially if infection happens early.<\/p>\n

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\u201cThe real damage from these viruses comes when they infect very early and start destroying the chlorella very early because those plants are going to struggle to put on sugar,\u201d he said.<\/p>\n

That can mean lower-quality fruit and visible damage across fields: melons can turn bitter, leaves can become crinkly and dry, and plants may yellow and grow brittle.<\/p>\n

\u201cPlants should be green but they are going to turn yellow and they get very brittle \u2014 if the wind comes through sometimes they start to develop dead patches on them \u2014 dry up and very papery,\u201d Detranaltes said.<\/p>\n

Arizona supplies about 20% of the nation\u2019s cantaloupes, and growers in the Yuma region also produce watermelons and honeydew melons. Experts are scheduled to meet June 2 to discuss next steps and strategies to address the outbreak, Detranaltes said.<\/p>\n

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An unusually warm winter in the Desert Southwest may be to blame for an early virus outbreak now showing up in Yuma-area melon fields, according to University of Arizona experts.<\/p>\n","protected":false},"author":1,"featured_media":1034,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1035","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-interesting"],"yoast_head":"\nWarm winter fuels early virus threat in Yuma melon fields - Tucson Moving Report<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tucsonmovingreport.com\/?p=1035\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Warm winter fuels early virus threat in Yuma melon fields - 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