Journal APS Oct 2017

193

October 2017

Volume 71 CONTENTS

Number 4

Published by THE AMERICAN POMOLOGICAL SOCIETY Journal of the American Pomological Society (ISSN 1527-3741) is published by the American Pomological Society as an annual volume of 4 issues, in January, April, July and October. Membership in the Society includes a volume of the Journal. Most back issues are available at various rates. Paid renewals not received in the office of the Business Manager by January 1 will be temporarily suspended until payment is received. For current membership rates, please consult the Business Manager. Editorial Office: Manuscripts and correspondence concerning editorial matters should be addressed to the Editor: Richard Marini, 203 Tyson Building, Department of Plant Science, University Park, PA 16802-4200 USA; Email: richmarini1@gmail.com. Manuscripts submitted for publication in Journal of the American Pomological Society are accepted after recommendation of at least two editorial reviewers. Guidelines for manuscript preparation are the same as those outlined in the style manual published by the American Society for Horticultural Science for HortScience, found at http://c.ymcdn.com/sites/www.ashs.org/resource/resmgr/files/style_manual.pdf. Postmaster: Send accepted changes to the Business office. Business Office : Correspondence regarding subscriptions, advertising, back issues, and Society membership should be addressed to the Business Office, C/O Heather Hilko, ASHS, 1018 Duke St., Alexandria, VA 22314; Tel 703-836- 4606; Email: ashs@ashs.org Page Charges : A charge of $50.00 per page for members and $65.00 per page ($32.00 per half page) will be made to authors. In addition to the page charge, there will be a charge of $40.00 per page for tables, figures and photographs. Society Affairs : Matters relating to the general operation of the society, awards, committee activities, and meetings should be addressed to Michele Warmund, 1-31 Agriculture Building, Division of Plant Sciences, University of Missouri, Columbia MO 65211; Email:warmundm@missouri.edu. Society Web Site : http://americanpomological.org Root Architecture, Leaf Nutrient Levels and Photosynthesis of Columnar and Standard Apple Seedlings are different – Shaoxia Guo, Xin Sun, Yuanxia Liu, Jun Zhu, Lu Zhang, Hongyi Dai, and Yugang Zhang.......194 Correction.............................................................................................................................................................202 Thinning of Peach Trees using High-Pressure Water – John A. Cline.................................................................203 ‘Sweetie Pie’ Thornless Semi-Erect Blackberry – Stephen J. Stringer, Barbara J. Smith, Blair J. Sampson, Donna AMarshall-Shaw, and John J. Adamczyk, Jr. ..........................................................................................214 The Relationship Between Environmental Factors and Rootstock Growth Stage with Graft Success in Walnut – Burak Akyüz and Ümit Serdar .........................................................................................................220 Effects of Arbuscular Mycorrhizal Fungi and Phosphate-Solubilizing Fungus on the Rooting, Growth and Rhizosphere Niche of Beach Plum ( Prunus maritima ) Cuttings in a Phosphorus-deficient Soil – Zue M. Zai, Huan S. Zhang, and Zhen P. Hao ..........................................................................................226 ‘BRS RubraMoore’: A Fresh Market peach for Southern Brazil – Maria Do Carmo Bassols Raseira, Rodrigo Cezar Franzon, Ciro Scaranari, Nelson Pires Feldberg, and Marco Antȏnio Dalbó ...........................................236 Table Grape Cultivar Performance in Oregon’s Willamette Valley – Amanda J. Vance, Bernadine C. Strik, and John Clark .....................................................................................................................................................240 About the Cover: ‘Sweetie Pie’ Thornless Semi-Erect Blackberry......................................................................249 Performance of Three Pyrus Pear Rootstocks in Northeastern North America ‒ Jaume Lordan, Suzanne Blatt, Poliana Francescatto, Charles Embree and Terence L. Robinson................................................250 Instructions to Authors.........................................................................................................................................257