Table Of ContentProceedings
of the Ninth North American 
Blueberry Research 
and Extension Workers 
Conference
Proceedings of the Ninth North American Blueberry Research and 
Extension Workers Conference has been co-published simultaneously 
as Small Fruits Review, Volume 3, Numbers 1/2 and 3/4 2004.
Proceedings
of the Ninth North American 
Blueberry Research 
and Extension Workers 
Conference
Charles F. Forney 
Leonard J. Eaton 
Editors
Proceedings of the Ninth North American Blueberry Research and 
Extension Workers Conference has been co-published simultaneously 
as Small Fruits Review, Volume 3, Numbers 1/2 and 3/4 2004.
Proceedings of the Ninth North American Blueberry Research and 
Extension Workers Conference has been co-published simultaneously 
as Small Fruits Review, Volume 3, Numbers 112 and 3/4 2004. 
First published 2004 by Haworth Press. Inc .• 
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ISBN 13: 978-1-56022-114-2 (hbk) 
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Library of Congres> Cataloging-in-Publication Data 
North American Blueberry Research and F :tension Workers Conference (9th : 2002 Halifax, Nova 
Scotia) Proceedings of the Ninth North Am :ican Blueberry Research and Extension Workers Confer-
ence I Charles F. Forney, Leonard J. Eaton, 'ditors. 
p. em. 
Proceedings of the Ninth North Am< ican Blueberry Research and Extension Workers Confer-
ence has been simultaneously published as  .mall Fruits Review, vol. 3, nos. 1/2 & 3/4. 2004. 
Includes bibliographical references (p. ). 
ISBN 1-56022-114-3 (hard cover: alk. paper)-ISBN 1-56022-115-1 (soft cover: alk. paper) 
I. Blueberries-Congresses. 2. Bluebenies-North America-Congresses. I. Forney, Charles F. 
II. Eaton, Leonard J. Ill. Title. 
SB386.B7N67 2002 
634'.737-dc22 
2004008995
Proceedings
of the Ninth North American 
Blueberry Research 
and Extension Workers 
Conference
CONTENTS
Introduction to the Proceedings of the Ninth North American 
Blueberry Research and Extension Workers Conference  1
Charles F. Forney 
Leonard J. Eaton
Application of Paper Mill Biosolids, Wood Ash and Ground 
Bark on Wild Lowbush Blueberry Production 3
J.  Lafond
The Wild Blueberry Industry-Past  11
George W. Wood
Soil and Plant Response to MSW Compost Applications 
on Lowbush Blueberry Fields in 2000 and 2001  19
P. R. Warman 
C. J. Murphy
J.  C. Burnham 
L. J. Eaton
Factors Contributing to the Increase in Producti vity 
in the Wild Blueberry Industry  33
David E. Yarborough
Lowbush Blueberry (Vaccinium angustifolium) with Irrigated 
and Rain-Fed Conditions  45
R. M. Seymour 
Gordon Starr 
David E. Yarborough
Gypsum-An Alternative to Chemical Fertilizers in Lowbush 
Blueberry Production 57
Kevin R. Sanderson 
Leonard J. Eaton
The Economics of Supplemental Irrigation on Wild Blueberries: 
A Stochastic Cost Assessment  73
Timothy J. Dalton 
David E. Yarborough
Diammonium Phosphate Application Date Affects Vaccinium 
angustifolium Ait. Nutrient Uptake and Yield  87
John M. Smagula 
W. Litten
K.  Loennecker
Effects of Salt Deposition from Salt Water Spray on Lowbush 
Blueberry Shoots  95
Leonard J. Eaton 
Kevin R. Sanderson 
Jeff Hoyle
Main and Interactive Effects of Vegetative-Year Applications 
of Nitrogen, Phosphorus, and Potassium Fertilizers 
on the Wild Blueberry  105
David Percival 
Kevin Sanderson
Efficient Mowing for Pruning Wild Blueberry Fields  123
Leonard J. Eaton 
Robbie W. Glen 
J. Doug Wyllie
Effect of Soil Calcium Applications on Blueberry Yield 
and Quality  133
Eric J. Hanson 
Steven F. Berkheimer
Effect of In-Row Spacing and Early Cropping on Yield 
and Dry Weight Partitioning of Three Highbush Blueberry 
Cultivars the First Two Years After Planting  141
Bernadine Strik 
Gil Buller
Effects of Nitrogen Sources on Growth and Leaf Nutrient 
Concentrations of ‘Tifblue’ Rabbiteye Blueberry Under 
Water Culture  149
Takato Tamada
Stem and Leaf Diseases and Their Effects on Yield in Maine 
Lowbush Blueberry Fields 159
Seanna L. Annis 
Constance S. Stubbs
Row Covers to Delay or Advance Maturity in Highbush 
Blueberry 169
Peter Hicklenton 
Charles Forney 
Carolyn Domytrak
Rabbiteye Blueberry Field Trials with the Growth Regulator 
CPPU 183
D. Scott NeSmith
H.  Marcus Adair
Susceptibility of Southern Highbush Blueberry Cultivars 
to Botryosphaeria Stem Blight  193
Barbara J. Smith
Post-Harvest Hedging and Pruning of Three Year Pruning Trial 
on ‘Climax’ and ‘Tifblue’ Rabbiteye Blueberry  203
Gerard Krewer 
Danny Stanaland 
Scott NeSmith 
Ben Mullinix
Fungal Pathogens Associated with Blueberry Propagation Beds 
in North Carolina  213
Bill Cline
Vaccinia gloriosa 221
S. P. Vander Kloet
An Overview of Weed Management in the Wild Lowbush 
Blueberry-Past and Present  229
Klaus I. N. Jensen 
David E. Yarborough
Use of Two Sulfonyl Urea Herbicides in Lowbush Blueberry  257
Klaus I. N. Jensen 
Eric G. Specht
Determination of Evapotranspiration and Drainage 
in Lowbush Blueberries (Vaccinium angustifolium)
Using Weighing Lysimeters  273
Gordon Starr 
Rose Mary Seymour 
Fred Olday 
David E. Yarborough
Field-Edge Based Management Tactics for Blueberry Maggot 
in Lowbush Blueberry  285
Judith A. Collins 
Francis A. Drummond
An Overview of RAPD Analysis to Estimate Genetic 
Relationships in Lowbush Blueberry  295
Karen Burgher-MacLellan 
Kenna MacKenzie
Identification of Host Volatile Compounds for Monitoring 
Blueberry Maggot Fly  307
Oscar E. Liburd
Investigation of a Possible Sexual Function Specialization 
in the Lowbush Blueberry (Vaccinium angustifolium 
Aiton. Ericaceae) 313
Marina Myra 
Kenna MacKenzie 
S. P. Vander Kloet
Chilling Requirement Studies in Blueberries  325
James M. Spiers 
Donna A. Marshall 
John H. Braswell
The Effect of Pruning on Blueberry Stem Gall Wasp  331
Kenna MacKenzie 
David Hayman 
Edward Reekie
The Effects of Chill Hour Accumulation on Hydrogen 
Cyanamide Efficacy in Rabbiteye and Southern Highbush 
Blueberry Cultivars  339
Stephen J. Stringer 
Donna A. Marshall 
Blair J. Sampson 
James M. Spiers
Evaluation of New Approaches for Management of Japanese
Beetles in Highbush Blueberries  349
Rufus Isaacs 
Zsofia Szendrei 
John C. Wise
Effects of Kaolin Clay Application on Flower Bud Development,
Fruit Quality and Yield, and Flower Thrips [Frankliniella spp. 
(Thysanoptera: Thripidae)] Populations of Blueberry Plants  361
James D. Spiers 
Frank B. Matta 
Donna A. Marshall 
Blair J. Sampson
Flowering and Leafing of Low-Chill Blueberries in Florida  375 
Paul M. Lyrene
Screenhouse Evaluations of a Mason Bee Osmia ribifloris 
(Hymenoptera: Megachilidae) as a Pollinator 
for Blueberries in the Southeastern United States  381
Blair J. Sampson 
Stephen J. Stringer 
James H. Cane 
James M. Spiers
In Vitro Culture of Lowbush Blueberry
(Vaccinium angustifolium Ait.)  393
Samir C. Debnath
Effects of Sunlight or Shade on Maturity and Optical Density
in Blueberries  409
R. P. Rohrbach 
C. M. Mainland 
J. A. Osborne
Quality Curves for Highbush Blueberries as a Function 
of the Storage Temperature  423
Maria Cecilia N. Nunes 
Jean-Pierre Emond 
Jeffrey K. Brecht
Index 439