David J. Norman

0000-0002-1373-9416

English Ivy (Hedera helix): Identification and Control of Diseases in Commercial Greenhouse Production and in Landscapes

David J. Norman and G. Shad Ali

Key Plant, Key Pests: Azalea (Rhododendron spp.)

Juanita Popenoe, Caroline R. Warwick, Jacqueline Bourdon, and David J. Norman

This publication provides information and general management recommendations for the azalea caterpillar, azalea lace bug, azalea leafminer, rhododendron gall midge, azalea gall, cercospora leaf spot, mushroom root rot, ovulinia petal blight, wet root rots, and iron chlorosis.

Southern Wilt of Geranium

Philip F. Harmon, Carrie L. Harmon, David Norman, and Tim Momol

Dieffenbachia Diseases: Identification and Control in Commercial Greenhouse Operations

David Norman

This article provides guidelines to identify and treat diseases that may be encountered during the commercial production of Dieffenbachia. This document is PP286, one of a series of the Plant Pathology Department, UF/IFAS Extension. Original publication date October 2011.

Pothos (Epipremnum aureum) Diseases: Identification and Control in Commercial Greenhouse Production

David J. Norman and G. Shad Ali

Ornamental Ficus Diseases: Identification and Control in Commercial Greenhouse Operations

D. J. Norman and Gul Shad Ali

Key Plant, Key Pests: Lilyturf (Liriope muscari)

Juanita Popenoe, Caroline R. Warwick, and David J. Norman

Anthurium Diseases: Identification and Control in Commercial Greenhouse Operations

David J. Norman and Gul Shad Ali

Bacterial Wilt of Southern Highbush Blueberry Caused by Ralstonia solanacearum

Philip F. Harmon, Carrie Harmon, and Dave Norman

A Beginner’s Guide to Begonias: Begonia rex-cultorum

Julian Ginori, Heqiang Huo, and David Norman

Rex begonias are spectacular rhizomatous perennials famous for their variegated, colorful foliage and ease of growth. Rex begonias are well suited for hanging baskets, windowsills, or houseplants. In more tropical climates, like Florida, rex begonias can also be found adding vibrant foliage and dimension to landscapes. This new 3-page publication of the UF/IFAS Environmental Horticulture Department is meant for Florida homeowners and horticulturalists interested in learning more about begonias.