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Alabama Cooperative Extension

Pumpkin Cultivars for Alabama

June 10, 2023June 13, 2023 cuccap Cucurbit Crop & Disease Management Resources

Pumpkins should be planted in a field with good drainage. Growers should avoid planting in a low spot that is susceptible to flooding or on land with poor internal drainage. Cover crops can help increase the organic matter and improve the internal drainage of a field.

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Expect high Whitefly populations

June 7, 2023June 13, 2023 cuccap Cucurbit Crop & Disease Management Resources

Environmental conditions will be conducive for populations to be high this summer.

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Whitefly management in cucurbits

October 26, 2022 cuccap Cucurbit Crop & Disease Management Resources

Whiteflies migrate from winter vegetables to spring vegetables to agronomic crops. Whiteflies can cause feeding injury issues in vegetables and transmit two viruses: cucurbit leaf crumple virus and cucurbit yellow stunting disorder virus. Vegetables like squash, zucchini, cucumber, and cantaloupe are susceptible to these viruses.

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Impact of rain on Alabama pumpkin crop

September 14, 2022 cuccap Cucurbit Crop & Disease Management Resources

Persistent rains in Northeast Alabama have sparked concerns about potential disease pressure among the region’s pumpkin farmers.

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Managing common pumpkin pests | VGN

August 15, 2022August 19, 2022 cuccap Cucurbit Crop & Disease Management Resources

Recommendations for managing common pumpkin pests.

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Alabama disease update | Powdery mildew on squash

June 23, 2022September 29, 2023 cuccap Cucurbit Crop & Disease Management Resources

Powdery mildew reported on yellow squash and a few other cucurbits in Alabama. It typically prefers hot and dry conditions.

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Downy Mildew | Alabama Cucurbit Disease Update

May 13, 2022May 24, 2022 cuccap Cucurbit Crop & Disease Management Resources

A late freeze in Florida combined with hot and dry conditions in May may have contributed to no presence of Cucurbit Downy Mildew in Alabama so far during this growing season.

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Powdery Mildew information for Cucurbit Growers

April 6, 2022May 23, 2022 cuccap Cucurbit Crop & Disease Management Resources

Powdery mildew prefers conditions where there is high humidity and abundant plant growth.

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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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