Zobrazeno 1 - 10
of 45
pro vyhledávání: '"Roger A. Downer"'
Publikováno v:
International Oil Spill Conference Proceedings. 2008:797-800
This paper presents the results of two related studies concerning the aerial application of dispersants. The first study characterized the interactions of various sized Corexit 9500 and 9527 dispersant droplets with oil films of from 0.1 mm to 3.0 mm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1fc5d49cedd4bd0386f035a614032793
https://doi.org/10.7901/2169-3358-2008-1-797
https://doi.org/10.7901/2169-3358-2008-1-797
Publikováno v:
Journal of Apicultural Research. 46:220-224
Natural plant products have been studied for potential use as in-hive fumigants for suppression of parasitic mites and other pests. A more direct application through direct feeding of bees would avoid problems with fumigant volatility in cold climate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::076f21043400f0c94243bd63724c5781
https://doi.org/10.1080/00218839.2007.11101398
https://doi.org/10.1080/00218839.2007.11101398
Autor:
Timothy A. Ebert, Roger A. Downer
Publikováno v:
Crop Protection. 25:299-309
Experiments on the biological consequences of differences in pesticide distribution include testing differences in application equipment, differences in formulation, and more direct tests of the influence of droplet size, droplet number, or applicati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5f5eaee414dc678e318f50b4eea5c35f
https://doi.org/10.1016/j.cropro.2005.06.002
https://doi.org/10.1016/j.cropro.2005.06.002
Publikováno v:
Pest Management Science. 60:507-513
Three sprayers were evaluated for their affect on retention and efficacy: a carbon dioxide powered high-volume sprayer, a DRAMM coldfogger, and an Electrostatic Spraying Systems (ESS) sprayer with air-assistance. The active ingredients used were spin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::22241a9425168948ad74452bbd90d6b1
https://doi.org/10.1002/ps.779
https://doi.org/10.1002/ps.779
Publikováno v:
Weed Science. 52:302-309
Leaf cytoarchitecture was evaluated by light microscopy and scanning electron microscopy, and cell viability was monitored by fluorescence after treatment of velvetleaf with defined concentrations and droplet sizes of formulated glyphosate and blende
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::da018bd33aefba4938ed1d7416e4e6ab
https://doi.org/10.1614/ws-03-072r
https://doi.org/10.1614/ws-03-072r
Autor:
Roger A. Downer, Timothy A. Ebert
Publikováno v:
ZooKeys
ZooKeys, Vol 452, Iss 0, Pp 79-105 (2014)
ZooKeys 452: 79-105
ZooKeys, Vol 452, Iss 0, Pp 79-105 (2014)
ZooKeys 452: 79-105
A Skinner mercury vapor light trap was operated from 2001 through 2009 in a residential backyard to document biodiversity within the moth families Thyatiridae, Drepanidae, Geometridae, Mimallonidae, Apatelodidae, Lasiocampidae, Saturniidae, Sphingida
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1d5315275b094bfed18278bfa0abb852
https://zenodo.org/record/578586
https://zenodo.org/record/578586
Publikováno v:
Pesticide Science. 55:793-798
Pesticide deposits have a spatial structure having elements of size, number per area and toxicant per deposit. To investigate the relative contributions of these elements to the efficacy of the deposit structure, we developed a bioassay using the cab
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8bd368316b1d57c36b24d357b990b9aa
https://doi.org/10.1002/(sici)1096-9063(199908)55:8<793::aid-ps14>3.0.co
https://doi.org/10.1002/(sici)1096-9063(199908)55:8<793::aid-ps14>3.0.co
Publikováno v:
Pesticide Science. 55:783-792
Application of pesticides through a hydraulic nozzle produces deposits on a plant surface which have a spatial structure with elements of deposit size, number per area, and toxin per deposit. To investigate the relative contributions of these element
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a77c4e0d8bd08e6c46b2a885f88306ad
https://doi.org/10.1002/(sici)1096-9063(199908)55:8<783::aid-ps973>3.0.co
https://doi.org/10.1002/(sici)1096-9063(199908)55:8<783::aid-ps973>3.0.co
Autor:
Richard W Fraley, Thomas M. Wolf, Kenrick S Gallander, Roger A. Downer, F. R. Hall, Michael P Pompeo
Publikováno v:
Toxicology Letters. 105:31-38
The occupational exposure resulting from the application of crop protection agents continues to be of great interest for the purposes of identifying hazards or determining safer chemical handling methods. The purpose of the present study was to ident
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e3b60bb8c1cc0601fe9b06dab252bbcf
https://doi.org/10.1016/s0378-4274(98)00381-6
https://doi.org/10.1016/s0378-4274(98)00381-6
Publikováno v:
Atomization and Sprays. 8:241-254
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::37717cdc27749755a7ed2f3c45048ce5
https://doi.org/10.1615/atomizspr.v8.i3.10
https://doi.org/10.1615/atomizspr.v8.i3.10