editor, E.J. Stang : convener, E.J. Stang : sponsored by The International Society for Horticultural Science Section: Fruit, Working Group: Vaccinium Culture in cooperation with The American Society for Horticultural ScienceInternational Society for Horticultural Science], Commission for Plant Protection, 19891989
editors, L.C. Luckwill, L.E. Powell : convener, N.E. Looney : organized by The Working Group on Growth Regulators in Fruit Production in cooperation with Agriculture Canada Research Station, Summerland, B.C. and Section Fruit of ISHSInternational Society for Horticultural Science], Commission for Plant Protection, 19891989