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    • Cucumber Disease Management
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Georgia squash

Whitefly-transmitted viruses can devastate cucurbits

March 19, 2024March 19, 2024 cuccap Cucurbit Crop & Disease Management Resources

Whiteflies are responsible for transmitting multiple viruses, including cucurbit leaf crumple virus and cucurbit yellow stunting disorder virus. According to University of Georgia crop loss estimates for fall 2017, these viruses caused between 30% and 50% crop loss in squash and cucumbers and nearly 80% crop loss in snap beans that year.

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Dry conditions and disease pressure in South Georgia

November 11, 2022 cuccap Cucurbit Crop & Disease Management Resources

Specialty crop growers prefer the current dry weather conditions when producing their crops. They want to apply the water needed which helps avert the buildup of disease pressure.

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Watermelon Crop Reports | AgNet Media

July 29, 2022August 3, 2022 cuccap Cucurbit Crop & Disease Management Resources

Heat and heavy rains impacted squash, cucumbers, and watermelon in Georgia and Alabama.

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Cucurbit Downy Mildew epidemic updates May 2022 | ipmPIPE

May 30, 2022May 24, 2023 cuccap Cucurbit Crop & Disease Management Resources

The first report of Cucurbit Downy Mildew in 2022 from Georgia was reported on May 4. CDM has been confirmed on cucumber in Brooks County, GA.

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Featured Article

CucCAP scientists identify powdery mildew resistant pumpkin lines with good canning quality

Processing pumpkins grown for pie are susceptible to infection by cucurbit powdery mildew. CucCAP researchers at Cornell University sought to identify powdery mildew-resistant reeding lines with high canning quality by testing progeny derived from a cross between the susceptible industry standard and a resistant butternut squash. Two breeding lines identified with moderate and high levels of resistance were assessed for multiple canning quality traits in comparison with a store-bought commercial standard. These studies indicated that effective resistance has been bred into a commercially promising processing pumpkin background.

For further reading:

Indemaur et al., 2025. Processing Pumpkin (Cucurbita moschata Duchesne) Breeding Lines with Resistance to Powdery Mildew and Their Canning Quality. HortScience 60:530-537. DOI 10.21273/HORTSCI18433-24

 

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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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