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    • Cucumber Disease Management
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    • Development of Genomic Tools for Cucurbit Species
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    • Breeding Cucumber for Disease Resistance
    • Breeding Melon for Disease Resistance
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The South Florida Pest and Disease Hotline

The South Florida Pest and Disease Hotline shares vegetable scouting reports, research highlights, weather and crop reports, and is compiled by UF / IFAS Extension Agents. The newsletter is issued on a biweekly basis as a service to the vegetable industry.

South Florida pest and disease hotline | February 2023

February 22, 2023February 22, 2023 cuccap Cucurbit disease and pest reports

Whitefly pressure is high and still increasing on crops in SW Florida. On the East Coast of Florida, whitefly populations are low to moderate on cucumber. In Homestead, whitefly pressure is high on squash. Visit the hotline for whitefly management information. In the Homestead area, leafminer populations are medium on squash. Continue reading

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Whiteflys infesting watermelon and squash

February 1, 2023February 1, 2023 cuccap Cucurbit disease and pest reports

According to the Southe Florida Pest and Disease Hotline, whitefly levels are high in many crops including watermelon and squash.

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UF | IFAS Commercial Vegetable Production Website

January 19, 2023January 24, 2023 cuccap CucCAP Project Partners, Cucurbit Crop & Disease Management, Cucurbit Crop Production news, Cucurbit disease and pest reports

Visit the new commercial vegetable production website to view links to previous Pest and Disease Hotlines, upcoming and recorded South Florida Vegetable Growers’ Meetings, and upcoming Pesticide Classes.

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December 2022 South Florida Pest and Disease Hotline

December 15, 2022December 20, 2022 cuccap Cucurbit Crop & Disease Management

Whitefly populations are building in southwest Florida and have reached high levels in some locations. In Homestead, whiteflies are present in squash, cucumber, and watermelon. In Homestead melonworms are being found in squash, cucumber, and watermelon.

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Whitefly pressure in Florida | AgNet

November 11, 2022November 11, 2022 cuccap Cucurbit Crop & Disease Management

Whitefly pressure in Southwest Florida has increased in previous weeks as rains have decreased, according to the South Florida Pest and Disease Hotline.

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South Florida Pest and Disease news

October 12, 2022November 2, 2022 cuccap Cucurbit disease and pest reports

The South Florida Pest and Disease Hotline is a newsletter published by Florida Extension Agents. In October, the newsletter reported on crop damage caused by Hurricane Ian, whitefly observations on watermelons, Cucurbit leaf crumple virus in watermelons, and reports of gummy stem blight on watermelon in Southwest Florida.

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Gummy Stem Blight on watermelon and cucumbers

April 11, 2022November 2, 2022 cuccap Cucurbit Crop & Disease Management

According to the South Florida Pest and Disease Hotline, Gummy stem blight disease has increased in cucurbit fields across southwest Florida in recent weeks. It has become the predominate disease in some watermelon fields in the area. The disease remains moderate in cucumber crops on the east coast.

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Whiteflies reported in South Florida

April 7, 2022November 2, 2022 cuccap Cucurbit Crop & Disease Management

In the Central Florida area, whitefly populations are increasing yet remain low in squash.In SW Florida, growers and scouts are reporting high levels of whitefly adults and nymphs in melons, and squash.
On the East Coast, whitefly populations are moderate in cucumber. Reports from Homestead indicate that whitefly populations are mostly sporadic in squash.

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CucCAP researchers find that different downy mildew populations have different types of fungicide resistance

Featured Article

Downy mildew caused by Pseudoperonospora cubensis causes severe losses in commercial cucurbit crops. Chemical control is hampered by emergence of pathogen resistance to several fungicides. Genetic analyses by the Quesada laboratory at NC State found that different clades of P. cubensis vary for the predominant mutations conferring resistance. These findings of clade-specific resistances can facilitate the design of more effective fungicide programs tailored to crop and region.

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USDA National Institute of Food and Agriculture U.S. DEPARTMENT OF AGRICULTURE

The Cucurbit Coordinated Agricultural Project (CucCAP) is a USDA-National Institute of Food and Agriculture Specialty Crop Research Initiative grant under award number
2020-51181-32139.

Cooperating Institutions:

Boyce Thompson Institute; Cornell University; Michigan State University; North Carolina State University; Clemson University; University of Puerto Rico; University of Wisconsin; University of Florida; University of Georgia; West Virginia State University; U.S. Department of Agriculture, Agricultural Research Service

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