Last updated on Tuesday, November 17, 2009
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 Name : Joseph DeFrank
Title : Spec in Weed Sci
Unit : Department of Tropical Plant and Soil Sciences
Office : Magoon Research Station
Address : 3190 Maile Way
Honolulu, HI 96822
Fax : (808) 956-3894
E-mail : defrenk@hawaii.edu
Website : http://www2.hawaii.edu/~defrenk
Specialties : Vegetables in gen.-Weed Management Ornamentals in gen.-Weed Management Turf in gen.-Weed Management Ground Covers in gen.-Weed Management -Pesticide Application License (Cat. 10)
Professional Prep/Appointments :
Penns Cove Regional High School B.S., Rutgers (1977) M.S., Michigan State University (1979) Ph.D., Michigan State University (1983)
Projects :
Ground cover establishment Weed control in newly established turf. Weed control in potted ornmentals. Weed control research for estblishment of native Hawaiian plants on roadways.
Courses Taught:
HORT 481 - Weed Science
Research Interests :
No-tillage farming Weed control in vegetable and ornamental crops, and turfs Ground covers in orchards. Estblishment of native Hawaiian plants on roadways.
Selected Recent Publications :
1. Brosnan, J.T., J. DeFrank, M. Woods and G. Breeden. 2009. Sodium Chloride Salt Applications Provide Effective Control of Sourgrass (Paspalum conjugatum Berg.) in Seashore Paspalum (Paspalum vaginatum Swartz.) Turf. Weed Technology: 23:251-256.
2. Brosnan, J.T., J. DeFrank, M.S. Woods and G.K. Breeden. 2009. Efficacy of Sodium Chloride Salt Applications for Control of Goosegrass (Eleusine indica L.) in Seashore Paspalum (Paspalum vaginatum Swartz) Turf. Weed Technology 23:179-183.
3. Brosnan, J.T., R.K. Nishimoto and J. DeFrank. 2008. Metribuzin-Resistat goosegrass (Elusine indica L.) in Bermudagrass (Cynodon spp. L.) turf. Weed Technology (22) No. 4:675-678.
4. Baldos, O.C., J. DeFrank and G. Sakamoto, 2009. Effect of pre and post emergence herbicide application timing on hydroseeded Fimbristylis cymosa. 2009 Hawaii Conservation Conference, Hawaii in a changing climate: ecological, cultural, economic and policy challenges and solutions, July 28-30, 2009. Hawaii Convention Center, Honolulu HI.
5. Baldos, O.C. and J. DeFrank. 2009. Screening of pre-emergence herbicides to improve roadside establishment of transplanted Sporobolus virginicus (L.) Kunth, a native Hawaiian grass. Abstract #91, pg 10. 21st Annual CTAHR Student Research Symposium, April 3-4, 2009. University of Hawaii at Manoa, Honolulu.
6. Moata, M.R.S. and J. DeFrank. 2009. Utilization of piligrass (Heteropogon contortus) as a living mulch for cabbage (Brassica oleracea L. var. Capitata) production. Abstract #44, pg 5. 21st Annual CTAHR Student Research Symposium, April 3-4, 2009. University of Hawaii at Manoa, Honolulu.
Languages :
english
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