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 Sheri Crabtree 

Co-Investigator of Horticulture

 

Education

B.S. in Horticulture, University of Kentucky, December 1999

M.S. in Plant and Soil Science, University of Kentucky, 2004.

 

Professional Experience 

2004-Present.  Co-Investigator of Horticulture, Kentucky State University, Frankfort, KY. 

Research My research objectives are: 1.To continue a pawpaw rootstock project to examine precocity and yield characteristics of two cultivars on five seedling rootstocks; 2.To continue a pawpaw regional variety trial to test and evaluate long-term the most promising varieties for regional adaptability and suitability; 3.To support on-going efforts related to KSU’s role as USDA-NCGR for pawpaw in germplasm acquisition, preservation, and evaluation of germplasm and pollinizer relationships in the collection, and 4. To determine if within cluster and whole tree thinning of clusters will increase pawpaw fruit size and quality. I assist on efforts to to enhance information transfer concerning the propagation, production, and germplasm resources for pawpaw via the Internet on a pawpaw web site and the GRIN data base, as well as efforts to establish a variety trial of advanced selections of primocane fruiting blackberries from the University of Arkansas for suitability in Kentucky. For my masters project, I investigated various methods of layering for clonal propagation of pawpaw, and evaluating diversity in flowering and fruiting habits of pawpaw across its native range.  I also helped with evaluate the pawpaw regional variety trial and in the implementation and data collection of various greenhouse seedling and grafting projects. 

Extension activities: I have  replied to over 500 emails, letters, and telephone calls over the last 10 years, visited grower sites, and spoken at one to two field days each year.

 

Publications 

Lowe, Jeremiah D., Kirk W. Pomper, Sheri B. Crabtree, John R. Clark, and John G. Strang. 2008. University of Arkansas Floricane-Fruiting Blackberry Trial in Kentucky. University of Kentucky 2008 Fruit and Vegetable Crops Research Report. PR572:20. [PDF]

Pomper, Kirk W., Jeremiah D. Lowe, Sheri B. Crabtree, John R. Clark, and John G. Strang. 2008. The Kentucky Primocane-Fruiting Blackberry Trial. University of Kentucky 2008 Fruit and Vegetable Crops Research Report. PR572:21-22. [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]

Pomper, K.W., J. D. Lowe, S.B. Crabtree, J.R. Clark, and J.G. Strang. 2007. The Kentucky Primocane Fruiting Blackberry Trial. The University of Kentucky Fruit and Vegetable Crops Research Report. PR555: 42

Pomper, Kirk W., Sheri B. Crabtree. 2005. Development of Rootstocks to Promote Early Bearing in Pawpaw. HortScience (40:1027).

Crabtree, Sheri B., Kirk W. Pomper, Robert L. Geneve. 2005. Identification of Unique Reproductive Characteristics in Six Pawpaw Populations for Germplasm Enhancement. HortScience (40:1122).

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]

Crabtree, Sheri B., Kirk W. Pomper, and Robert L. Geneve. 2004. Trench layering as a method of clonally propagating pawpaw (Asimina triloba). HortScience 39:890

Pomper, Kirk W. and Sheri B. Crabtree. 2004. Will Thinning of Pawpaw Fruit Clusters Increase Fruit Size and Quality? Journal of the Kentucky Academy of Science 66:58.

Pomper, Kirk W., Joseph G. Masabni, Desmond R. Layne, Sheri B. Crabtree, R. Neal Peterson, and Dwight Wolfe. 2004. Yield and Fruiting Characteristics of 28 Selections in the Kentucky Pawpaw Cultivar Trial. HortScience 39:851.

Rascoe, Danielle, Kirk W. Pomper, Jeremiah Lowe, Sheri B. Crabtree, Har Mahdeem, and Tejender S. Kochhar. 2004. Assessment of the Utility of ISSR Markers for Evaluating Genetic Relationships Among Members of Asimina and Annona. HortScience 39:786

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.

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]

 

Presentations 

“Development of Trench Layering as a Propagation System for Pawpaw (Asimina triloba)”, Oral Presentation, Kentucky Academy of Sciences meeting, Bowling Green, KY, November 6-8, 2003.

 “Evaluation of Vegetative and Reproductive Traits in Six Populations of Pawpaw (Asimina triloba)”, Poster, American Society for Horticultural Science conference, Providence, RI, October 3-6, 2003.

Crabtree, Sheri B., Kirk W. Pomper, and Robert L. Geneve. Sexual and Asexual Reproductive Characteristics of Pawpaw.  University of Kentucky Horticulture Seminar, November 23, 2004.

Crabtree, Sheri B., Kirk W. Pomper, and Robert L. Geneve. Trench Layering as a Method of Clonally Propagating Pawpaw (Asimina triloba). Oral Presentation, Pawpaw Workshop, Frankfort, KY, September 11, 2004.

Crabtree, Sheri B., Kirk W. Pomper, and Robert L. Geneve. Trench Layering as a Method of Clonally Propagating Pawpaw (Asimina triloba). Oral Presentation, American Society for Horticultural Sciences, Austin, TX, July 17-20, 2004.

Crabtree, Sheri B., Kirk W. Pomper, Robert L. Geneve. Identification of Unique Reproductive Characteristics in Six Pawpaw Populations for Germplasm Enhancement. Presented at the 2005 American Society for Horticultural Science Annual Conference, 18–21 July 2005, Las Vegas, Nevada.

Crabtree, Sheri B. and Kirk W. Pomper. The Kentucky State University Pawpaw Regional Variety Trial:  2005 Update. Presented at Kentucky Academy of Science annual meeting, November 10-11, Richmond, KY.

 

Awards

First Place, Graduate Student Competition, Agricultural Sciences Oral Presentations, Kentucky Academy of Sciences, 2003.

 

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Updated November 04, 2009