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Tag: USDA

Crops and Cultures Pests & Pathogens Phenotyping & GenotypingSeptember 14, 2026September 14, 2026

Watermelon Rootstock ‘Carolina Strongback’ Incorporates Disease and Pest Resistance from NPGS Germplasm

Watermelon 'Strongback' rootstock with disease resistance

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Amnon Levi, Patrick Wechter, Sandra E. Branham, William Rutter, Benjamin Waldo, Shaker Kousik, Judy Thies, Homan …

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Gayle Volk0
Cultivar Stories Landraces & Heirloom CultivarsSeptember 14, 2026September 14, 2026

NPGS Germplasm Provides Valuable Genetic Variation for Cotton Breeding

Evaluation of NPGS cotton germplasm

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B. Todd Campbell. The National Plant Germplasm System Cotton Collection includes critical genetic diversity, including roughly …

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Gayle Volk0
Cultivar Stories Pests & PathogensSeptember 14, 2026September 14, 2026

NPGS Hop Germplasm Delivers Novel Resistance to Powdery Mildew

Powdery mildew on hop leaves

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Kayla R. Altendorf, David H. Gent, Nahla V. Bassil. Powdery mildew is one of the most …

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Gayle Volk0
Cultivar Stories Pests & PathogensJuly 24, 2026July 26, 2026

NPGS Germplasm Provides U.S. Lettuce Crop with Disease Resistance

Hundreds of Lactuca germplasm accessions are screened to identify pathogen resistance

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Ivan Simko. USDA-ARS researchers identified critical sources of resistance to multiple races of Bacterial Leaf Spot …

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Gayle Volk0
Cultivar Stories Phenotyping & Genotyping Plant BreedingMay 5, 2026May 5, 2026

Blackberry ‘Hillquist’ – Primocane Fruiting

University of Arkansas System Division of Agriculture primocane-fruiting blackberry breeding selection APF-544T with ripe fruit on floricanes at the base and immature fruit, flowers, and buds on primocanes at the top of the canopy. Photo by Margaret Worthington.

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Alexander Silva, Margaret Worthington, Michael A. Hardigan, and Nahla V. Bassil. This success story discusses how scientists mapped …

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Katheryn Chen0
Cultivar Stories Phenotyping & Genotyping Plant BreedingMay 5, 2026May 5, 2026

NPGS Blackberries – Prickleless Canes

Prickleless Rubus ulmifolius accession ‘Burbank Thornless’ (PI 554060), maintained at the NCGR. Photo by Nahla Bassil.

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Brian Crawford, Margaret Worthington, and Nahla V. Bassil. This success story describes how an international research team, led …

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Katheryn Chen0
Plant BreedingFebruary 23, 2026February 23, 2026

Breeding Finger Lime

Breeding Finger Lime video thumbnail

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Robert Krueger. Learn about finger limes (Microcitrus), including the work being done to improve their marketability. The National …

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Katheryn Chen0
Phenotyping & GenotypingFebruary 10, 2026February 10, 2026

Molecular Markers for Managing and Utilizing Genetic Resources of Tropical Fruit Trees and Ornamentals

Molecular Markers for Managing and Utilizing Genetic Resources of Tropical Fruit Trees and Ornamentals book cover

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Renee Arias, Katheryn Chen, Gayle Volk (eds). This eBook describes the development and use of microsatellite markers for …

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Katheryn Chen0
Cultivar Stories History Pests & PathogensFebruary 10, 2026February 10, 2026

History of Citrus Rootstocks

History of Citrus Rootstocks video thumbnail

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Robert Krueger. Learn about the importance of conserving diverse genetics from citrus relatives. See how trifoliate oranges (Poncirus) …

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Katheryn Chen0
Collection Maintenance Pests & PathogensFebruary 10, 2026February 10, 2026

Protecting Citrus

Protecting Citrus video thumbnail

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Robert Krueger. The National Clonal Germplasm Repository for Citrus and Dates in Riverside, California is the genebank responsible …

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Katheryn Chen0

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