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pro vyhledávání: '"Chang-Ho Ok"'
Publikováno v:
Plant disease. 95(1)
Dollar spot (caused by Sclerotinia homoeocarpa) is the most economically important turfgrass disease in North America. This disease is primarily controlled by fungicide applications on golf courses; however, fungicide resistance has been confirmed in
Publikováno v:
Plant disease. 96(4)
Dollar spot (Sclerotinia homoeocarpa) is a major turfgrass disease requiring fungicide application to maintain acceptable conditions for golf. A 2-year field experiment was conducted to determine the association between field efficacy of propiconazol
Publikováno v:
Agronomy Journal. 95:1583-1590
Physical and chemical properties of root zone mixes and methods of green construction are important considerations for improving turfgrass quality for putting greens. This study compared 'Penncross' creeping bentgrass (Agrostis palustris Huds.) perfo
Publikováno v:
Communications in Soil Science and Plant Analysis. 33:2895-2903
The air-filled porosity of sand mixes for greens as recommended by the United States Golf Association (USGA) is calculated from the difference between total porosity and water content retained in soil columns at 40 cm tension. Recently, some research
Autor:
Erik H. Ervin, Chang-Ho Ok
Publikováno v:
Journal of Environmental Horticulture. 19:57-60
Proxy and EXP310309D suppressed zoysiagrass at various rates for 4 to 6 weeks during 1999 and 2000. Maximum suppression with Proxy at 3.4 kg ai/ha (3.0 lb ai/A) was 30 to 40% at 3 to 4 weeks after the initial treatment and 32% at 3 and 4 weeks after
Autor:
Popko, Jr, James T.1, Chang-Ho Ok1, Campbell-Nelson, Katie1, Geunhwa Jung1 jung@psis.umass.edu
Publikováno v:
Plant Disease. Apr2012, Vol. 96 Issue 4, p552-561. 10p.
In vitro Assessment of Scierotinia homoeocarpa Resistance to Fungicides and Plant Growth Regulators.
Publikováno v:
Plant Disease. Jan2011, Vol. 95 Issue 1, p51-56. 6p.
Autor:
Chang-Ho Ok, Anderson, Steve
Publikováno v:
Grounds Maintenance. Jun2003, Vol. 38 Issue 6, pG1. 3p. 1 Color Photograph.