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Women planting photo

Photograph of new pawpaw breeding orchard at KSU. KSU has the largest pawpaw breeding program in the world to select the next generation of pawpaw cultivars.

 


Other KSU Pawpaw Information:

Pawpaw in the News

Pawpaw Acetogenins

Pawpaw Research at Kentucky State University

Description of Fruit and Nutritional Information

Recipes

Photo Gallery

Audio & Video

Organic Production and SARE

2nd International Pawpaw Conference Proceedings

Recent PowerPoint Presentations on pawpaw, gooseberries and currants, and blackberries

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Pawpaw Organizations and Supporting Groups:

Ohio Pawpaw Growers Association

The PawPaw Foundation

North American Fruit Explorers (NAFX)

The Northern Nut Growers Association, Inc. (NNGA)

Indiana Nut Growers Association (INGA)

Kentucky Nut Growers Association Website

Midwest Fruit Explorers

California Rare Fruit Growers

Kentucky Farmers Market Program

The Appalachian Pawpaw Growers Association (for commercial pawpaw growers; contact Neal Peterson or Milton Parker for more information)

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Additional Pawpaw Information:

Additional Pawpaw Information:

How to hand-pollinate pawpaws. Fruit Gardener 29(5):10-11.

Pawpaw FactSHEET contributed by Desmond R. Layne

Pawpaw (Asimina triloba): a “Tropical Fruit for Temperate Climates” by M. Brett Calloway. From: New Crops (Janick and Simon eds.) Wiley, New York, 1993.

Uncommon Fruits with Market Potential—Lee Reich

Pawpaw from: Magness, J.R., G.M. Markle, C.C. Compton. 1971. Food and feed crops of the United States.

Nuts with Commercial Potential for America’s Heartland

Pawpaws Provide Potential

Growing Pawpaws—Cooperative Extension Service, Purdue University, West Lafayette, Indiana. PDF version

Evaluation of Various Parts of the Paw Paw Tree, Asimina triloba (Annonaceae), as a Commercial Source of the Pesticidal Annonaceous Acetogenins—Sunil Ratnayake, J. Kent Rupprecht, William M. Potter, and Jerry L. McLaughlin

Monthly Variations in Biological Activity of Asimina triloba—Holly. A. Johnson, J. Gordon, and Jerry .L. McLaughlin

Asimina triloba (L.) Dunal New Crops Fact Sheet Pawpaw (Asimina triloba): A “Tropical” Fruit for Temperate Climates

Evaluation of the Pawpaw Tree, Asimina triloba (Annonaceae), as a Commercial Source of the Pesticidal Annonaceous Acetogenins

Links to other horticultural and botanical sites:

USDA PLANTS

Brooklyn Botanic Garden

GardenWeb

The Cyber-Plantsman

Aggie Horticulture at TAMU

growit.com

Germplasm Resources Information Network

National Clonal Germplasm Repository

Better Homes & Gardens

American Society for Horticultural Science

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Historical Perspective of Pawpaw:

Little, J.A. 1905. The Pawpaw (ASIMINA TRILOBA) A Native Fruit of Great Excellence. O.G. Swindler, Clayton, IN. [PDF]

Peterson, R.N. 1991. Pawpaw (Asimina). Acta Hort. 290:567-600. [PDF]

Layne, D.R. 1996. The pawpaw [Asimina triloba (L.) Dunal]: A new fruit crop for Kentucky and the United States. HortScience 31:777–784. [PDF]

Peterson, R. N. 2003. Pawpaw Variety Development: A History and Future Prospects HortTechnology 2003 13: 449-454.  [PDF]

Pomper, K.W. and D.R. Layne. 2005. The North American Pawpaw: Botany and Horticulture. Horticultural Reviews. Vol. 31:351-384. [PDF]

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Pawpaw Regional Variety Trials:

Peterson, R.N. 1986. Research on the pawpaw (Asimina triloba) at the University of Maryland. Northern Nut Growers Assn. Annu. Rep. 77:73-78. [PDF]

Pomper, K.W., D.R. Layne, and R.N. Peterson. 1999. The pawpaw regional variety trial, p.353-357. In J. Janick (ed). Perspectives on New Crops and New Uses. ASHS Press, Alexandria, VA. [PDF]

Pomper, K. W., D. R. Layne, R. N. Peterson, and D. Wolfe. 2003. The Pawpaw Regional Variety Rrial: background and early data. HortTechnology 13: 412-417. [PDF]

Peterson, R. N. 2003. Pawpaw Variety Development: A History and Future Prospects HortTechnology 2003 13: 449-454.  [PDF]

Postman, J. D., K. E. Hummer, and K. W. Pomper. 2003. Vascular disease in Oregon regional pawpaw variety trial. HortTechnology 13: 418-420. [PDF]

Merwin, I. A., R. Byard, and K. W. Pomper. 2003. Survival, growth, and establishment of grafted pawpaws in upstate New York. HortTechnology 13: 421-422. [PDF]

Pomper, K. W., Sheri B. Crabtree, Desmond R. Layne, and R. Neal Peterson. 2008. Flowering and Fruiting Characteristics of Eight Pawpaw (Asimina triloba) Selections in Kentucky. Journal of the American Pomological Society. 62:89-97. [PDF]

Pomper, K.W., S.B. Crabtree, D.R. Layne, R. Neal Peterson, J. Masabni, and D. Wolfe. 2008. The Kentucky pawpaw regional variety trial. J. Amer. Pom. Sci. 62:58-69. [PDF]

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Pawpaw Propagation:

Layne, D.R. 1996. The pawpaw [Asimina triloba (L.) Dunal]: A new fruit crop for Kentucky and the United States. HortScience 31:777–784. [PDF]

Finneseth, C.L.H., D.R. Layne, and R.L. Geneve. 1998. Morphological development of pawpaw [Asimina triloba (L.) Dunal] during germination and seedling emergence. HortScience 33(5):802-805.

Jones, S.C., R.N. Peterson, T.-A. Turner, K.W. Pomper, and D.R. Layne. 1998. Pawpaw planting guide – cultivars and nursery sources. KSU Pawpaw Extension Bulletin 002:1-8.

Finneseth, C.L.H., D.R. Layne, and R.L. Geneve. 1998. Requirements for seed germination in North American pawpaw [Asimina triloba (L.) Dunal]. Seed Sci. & Technol 26:471-480.

Pomper, K.W., D.R. Layne, and S.C. Jones. 2002. Incident irradiance and cupric hydroxide container treatment effects on early growth and development of container-grown pawpaw seedlings. J. Amer. Soc. Hort. Sci. 127:13-19. [PDF]

Pomper, K.W., D. R. Layne, S.C. Jones, and M.G. Kwantes. 2002. Growth enhancement of container-grown pawpaw seedlings as influenced by media type, root-zone temperature, and fertilization regime. HortScience 37:329-333. [PDF]

Pomper, K.W., D.R. Layne, and E.B. Reed. 2002. Determination of the optimal rate of slow-release fertilizer for enhanced growth of pawpaw seedlings in containers. HortTechnology 13:397-401. [PDF]

Pomper, K. W., D. R. Layne, and S. C. Jones. 2003. Container production of pawpaw seedlings. HortTechnology 13: 434-438. [PDF]

Geneve, R. L., K. W. Pomper, S. T. Kester, J. N. Egilla, C. L. H. Finneseth, S. B. Crabtree, and D. R. Layne. 2003. Propagation of pawpaw – a review. HortTechnology 13: 428-433. [PDF]

Crabtree, S.B.  2004. Sexual and asexual reproductive characteristics of the North American pawpaw [Asimina triloba (L.) Dunal], Masters of Science thesis, University of Kentucky, Lexington. [PDF]

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Pawpaw Genetics:

Huang, H., D.R. Layne, and R.N. Peterson. 1997. Using isozyme polymorphisms for identification and assessment of genetic variation in cultivated pawpaws [Asimina triloba (L.) Dunal]. J. Amer. Soc. Hort. Sci 122(4):504-511.

Huang, H., D.R. Layne and D.E. Riemenschneider. 1998. Genetic diversity and geographic differentiation in pawpaw [Asimina triloba (L.) Dunal] populations from nine states as revealed by allozyme analysis. J. Amer. Soc. Hort. Sci 123(4):635-641.

Huang, H., D.R. Layne, and T.L. Kubisiak. 2000. RAPD Inheritance and diversity in pawpaw [Asimina triloba (L.) Dunal]. J. Amer. Soc. Hort. Sci 125(4):454-459.

Pomper, K.W., S.B. Crabtree, S.P. Brown, S.C. Jones, T.M. Bonney, and D.R. Layne. 2003. Assessment of genetic diversity of pawpaw varieties with inter-simple sequence repeat markers. J. Amer. Soc. Hort. Sci. 128:521-525. [PDF]

Huang, H., D.R. Layne, and T.L. Kubisiak. 2003. Molecular characterization of cultivated pawpaw [Asimina triloba (L.) Dunal] using RAPD markers. J. Amer. Soc. Hort. Sci 128(1):85-93.

Wang, Y., G.L. Reighard, D.R. Layne, A.G. Abbott, and H. Huang. 2005. Inheritance of AFLP markers and their use for genetic diversity analysis in wild and domesticated pawpaw [Asimina triloba (L.) Dunal]. J. Amer. Soc. Hort. Sci. 130(4):561-568.

Pomper, K.W. and D.R. Layne. 2005. The North American Pawpaw: Botany and Horticulture. Horticultural Reviews. Vol. 31:351-384. [PDF]

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