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Thomas A. Obreza and Arnold Schumann

; and 4) investigating the long-term effect of citrus diseases and continued urban growth on nutrient management. Literature cited Alva, A.K. 1993 Comparison of Mehlich 3, Mehlich 1, ammonium bicarbonate-DTPA, 1.0 M ammonium acetate, and 0.2 M ammonium

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Andre Luiz Biscaia Ribeiro da Silva, Joara Secchi Candian, Elizanilda Ramalho do Rego, Timothy Coolong, and Bhabesh Dutta

losses while adopting best management practices to reduce disease incidence. The bacterium can be seedborne and seed-transmitted or can survive on crop residue and on cruciferous (Brassicaceae) weeds ( Cook et al., 1952 ; Lema et al., 2011 ; Vicente et

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Bruce W. Wood, Charles C. Reilly, Clive H. Bock, and Michael W. Hotchkiss

improved scab disease management tools that increase efficacy and/or reduce control costs without adversely affecting tree health and production potential. Toxicity, deficiency, or imbalances in either essential or beneficial nutrient elements can

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Edward A. Evans, Jonathan Crane, Alan Hodges, and Jason L. Osborne

potential losses that could result from an incursion of this disease in the main avocado production area in Florida. Laurel wilt disease: Ecology, damage caused, and management of the disease. Laurel wilt is a vascular disease that causes extensive mortality

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Arthur Villordon, Julio Solis, Don LaBonte, and Christopher Clark

agroclimatic variables measured within 20 DAT and U.S. #1 sweetpotato yield from experimental plots under uniform management conditions. We assumed the absence of influence from weeds, disease, insect pests, and chemical injury. The long-term goal is to develop

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Cristian E. Loyola, John M. Dole, and Rebecca Dunning

problem. Production issues. The main production problem was insect management; disease management was the third most important problem ( Fig. 3 ). Pest management is a common problem for many floriculture crops ( Nelson, 1998 ). Cut flowers grown outdoors

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Xianzhi Zhou, Yufen Wu, Sheng Chen, Yang Chen, Weiguang Zhang, Xintao Sun, and Yijie Zhao

soilborne diseases, especially when genetic or chemical approaches for disease management are not available. In some cases, grafted plants have shown improved crop productivity and allowed the modification of fruit quality characteristics ( Colla et al

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Kari L. Hugie and Eric Watkins

Turfgrass species traditionally used in residential and commercial lawns in Minnesota, such as kentucky bluegrass ( P. pratensis ) and perennial ryegrass ( L. perenne ), can require significant management inputs to maintain acceptable cover and

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Sarah J. Pethybridge, Niloofar Vaghefi, and Julie R. Kikkert

of C. beticola isolates that are resistant to fungicides threatens the durability of disease management strategies. For example, 40% of the C. beticola population in New York was reported as resistant to the quinone outside inhibitor fungicide

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William Sciarappa, Sridhar Polavarapu, James Barry, Peter Oudemans, Mark Ehlenfeldt, Gary Pavlis, Dean Polk, and Robert Holdcraft

investigate viable solutions for organic weed, insect, and disease management; and to compile, compare, and incorporate proven horticultural practices into a sustainable production system for highbush blueberry. MATERIALS AND METHODS From 2000 to 2006