CONTENTS THE BUSINESS MAGAZINE FOR COMMERCIAL GROWERS APRIL 2019 | VOLUME 29, NUMBER 4 26 The development of new delosperma varieties has been abundant the last few years. The new Delmara series boasts eyecatching color and blooms from early spring in the south through fall in the north. To learn more, turn to page 36. (Photo: Green Fuse Botanicals) 18 FEATURES 18 Plant Health 2019 Update - Bacterial Leaf Spots and Blight A lot has changed in the disease realm over the past few years. What are new control strategies you can use to address new bacterial occurrences in your production? By A.R. Chase 26 Management The Cultivar Solution Invasive species can be tamed with plant breeding. By Tim Wood 30 Variety Information On Trend: Ornamental Grasses Their value in the landscape has proven to be more than just a fad. How can you keep up with consumer interest in this hot plant category? By Maria Zampini 34 Culture Report FanciFiller Program This new collection aims to reinvent the concept of the often underappreciated filler plants. By Bart Hayes 4 APRIL 2019 GPNMAG.COM 30 COLUMNS 11 Perspectives Plant Health - The Journey and the Reward By Jennie Smith 12 Dr. Bugs Miticides for Use in Greenhouse Production Systems By Raymond A. Cloyd 14 Duets Biological Insect Control: State of the Industry and Future Success By Peter Konjoian and Greg Bryant 36 Vaughn's View Green Fuse Botanicals - All Star Summer Performers By Vaughn Fletcher 42 Technically Speaking Crops Suitable for Vertical Farming By Erik Runkle Miss our March issue? It's now available to view on gpnmag.com DEPARTMENTS 6 Editor's Report 8 Industry News 10 Chat Room 40 Variety Spotlight 41 Classifieds/Ad Indexhttp://www.gpnmag.com http://www.GPNMAG.COM