2 HORTSCIENCE VOL. 48(1) JANUARY 2013 HortScience Volume 48, Number 1 CONTENTS January 2013 FEATURE 4 The ASHS Outstanding Fruit Cultivar Award: A 25-year Retrospective Gayle M. Volk, James W. Olmstead, Chad E. Finn, and Jules Janick REPORTS Breeding, Cultivars, Rootstocks, and Germplasm Resources 13 Evaluation of Apple ( Malus × domestica) Genetic Resources in Bosnia and Herzegovina Using Microsatellite Markers Fuad Gasi, Silvio Simon, Naris Pojskic, Mirsad Kurtovic, Ivan Pejic, Mekjell Meland, and Clive Kaiser 22 Taro ( Colocasia esculenta) Transformed with a Wheat Oxalate Oxidase Gene for Improved Resistance to Taro Pathogen Phytophthora colocasiae Xiaoling He, Susan C. Miyasaka, Maureen M.M. Fitch, Sawsan Khuri, and Yun J. Zhu 28 Reaction of Peach Genotypes to Bacterial Leaf Spot: Correlations with Environmental Conditions, Leaf Phenology, and Morphology Marcos R. Sachet, Idemir Citadin, Silvia Scariotto, Idalmir dos Santos, Pedro H. Zydek, and Maria do Carmo B. Raseira Crop Production 34 Graft Angle and Its Relationship to Tomato Plant Survival Michael G. Bausher 37 Serial Transmission of Plant Viruses by Cutting Implements during Grafting Michael G. Bausher 40 Influence of Mechanical String Thinning Treatments on Vegetative and Reproductive Tissues, Fruit Set, Yield, and Fruit Quality of ‘Gala’ Apple Thomas M. Kon, James R. Schupp, H. Edwin Winzeler, and Richard P. Marini 47 Temperature-induced Glucosinolate Accumulation Is Associated with Expression of BrMYB Transcription Factors Veronica L. Justen and Vincent A. Fritz Disease and Pest Management 53 Effects of Host Plant Resistance and Fungicides on Severity of Cucumber Downy Mildew Adam D. Call, Todd C. Wehner, Gerald J. Holmes, and Peter S. Ojiambo 60 Vertical Stratification of Predation on Aulacaspis yasumatsui Infesting Cycas micronesica Seedlings Thomas E. Marler, Ross Miller, and Aubrey Moore 63 Evaluation of Response to Pecan Scab Pathogen Race Using a Detached Leaflet Protocol Patrick J. Conner 68 Evaluating Paradox Walnut Rootstocks for Resistance to Armillaria Root Disease Kendra Baumgartner, Phillip Fujiyoshi, Greg T. Browne, Chuck Leslie, and Daniel A. Kluepfel Growth Regulators 73 Influence of Prohexadione Calcium on Sweetpotato Growth and Storage Root Yield Victor N. Njiti, Qun Xia, Leonna S. Tyler, Lakeisha D. Stewart, Antione T. Tenner, Chunquan Zhang, Dovi Alipoe, Franklin Chukwuma, and Ming Gao 77 Dark-stored Flurprimidol Solutions Maintain Efficacy Over Many Weeks William B. Miller Marketing and Economics 82 Physiological and Psychological Response to Floral Scent Hyunju Jo, Susan Rodiek, Eijiro Fujii, Yoshifumi Miyazaki, Bum-Jin Park, and Seoung-Won Ann 20 Image Analysis Systems for Plant Science I m a g e A n a l y s i s S y s t e m s f o r P l a n t S c i e n c e www.regentinstruments.com WinRHIZO™ W i n R H I Z O ™ The complete product family for root analysis WinFOLIA™ W i n F O L I A ™ Leaf area meter, morphology and pest damage analyser WinSEEDLE™ W i n S EE ED D L E ™ Seed and needle morphology and pest damage analyser