Zobrazeno 1 - 10
of 64
pro vyhledávání: '"Jeffrey F. Derr"'
Publikováno v:
International Journal of Agronomy, Vol 2011 (2011)
Cool-season grass species are commonly overseeded into bermudagrass turf for winter color. When the overseeded grass persists beyond the spring; however, it becomes a weed. The ability of perennial ryegrass, Italian (annual) ryegrass, intermediate ry
Externí odkaz:
https://doaj.org/article/8f1e06982fff4bd28db506f1e3b8ffd3
Publikováno v:
International Journal of Fruit Science. 20:1005-1018
Greenhouse trials were conducted to evaluate the effect of several locally available carbon (C) sources on weed suppression using anaerobic soil disinfestation (ASD). Carbon sources included rice b...
Publikováno v:
Weed Technology. 34:437-446
Weed management is an important issue for nursery crop and Christmas tree producers, as well as for those maintaining turfgrass or ornamental species in landscape plantings. PRE and POST herbicides are important weed management tools for these indust
Publikováno v:
Journal of Environmental Horticulture. 37:101-107
Field trials were conducted by Virginia Master Naturalists to determine the germination period for Japanese stiltgrass and its impact on timing of postemergence herbicide applications. Germination rates declined from April to June, with no germinatio
Publikováno v:
Journal of Environmental Horticulture. 36:104-107
Tall fescue (Festuca arundinacea Shreb.) has exceptional utility as a low maintenance lawn in the transition zone. However, during the summer smooth crabgrass [Digitaria ischaemum (Schreb.) Schreb. ex Muhl.] infestations can reduce the aesthetic valu
Autor:
Jeffrey F. Derr, Aman Rana
Publikováno v:
Journal of Environmental Horticulture. 36:14-20
There is interest in alternative weed control methods to herbicide use, especially among those interested in organic approaches. The use of microwave radiation as a weed control method appears to be a good alternative because it does not produce chem
Autor:
Gary W. Knox, William E. Klingeman, Juang-Horng Chong, Matthew Chappell, S. Kris Braman, Frank A. Hale, Jeffrey F. Derr, Nicole Ward Gauthier, Alan S. Windham, Joseph C. Neal, Jean-Jacque Dubois, Anthony V. LeBude, Amy Fulcher
Publikováno v:
HortTechnology. 27:772-781
Three, 2-day hands-on experiential learning workshops were presented in three southeastern United States cities in June 2014, by the Southern Nursery Integrated Pest Management (SNIPM) working group. Attendees were provided 4 hours of instruction inc
Autor:
Frank A. Hale, Gary W. Knox, Jeffrey F. Derr, Francesca Peduto Hand, S. Christopher Marble, Juang-Horng Chong, Nicole Ward Gauthier, Winston Dunwell, Matthew Chappell, Anthony V. LeBude, Steve Frank, S. Kris Braman, Amy Fulcher, Adam G. Dale, Jean Williams-Woodward, Sarah A. White, William E. Klingeman
Publikováno v:
HortTechnology. 27:759-764
Extension and research professionals in the southeastern United States formed the Southern Nursery Integrated Pest Management working group (SNIPM) to foster collaboration and leverage resources, thereby enhancing extension programming, increasing op
Autor:
Lori Robertson, Jeffrey F. Derr
Publikováno v:
Journal of Environmental Horticulture. 35:99-102
Dimethenamid and the granular combination product pendimethalin plus dimethenamid are herbicides registered for use in nursery production and landscape maintenance. The objectives of this study were: (1) to compare the effectiveness of sprayed dimeth
Autor:
Jeffrey F. Derr, Aman Rana
Publikováno v:
Journal of Environmental Horticulture. 35:58-65
There is a demand for nonchemical weed control strategies, with microwave radiations one possible option. Accurately measuring a weed's exposure level to microwave radiations is a challenge when there is a gap between when electricity is applied to t