Pernezny, Ken

A Series on Diseases in the Florida Vegetable Garden: Tomato

Gary Vallad, Ken Pernezny, and Tim Momol

This document is PP200, one of a series of the Plant Pathology Department, UF/IFAS Extension. Original publication date July 2004. Revised February 2009.

Disease Control for Squash in Florida

Gary E. Vallad, Pamela D. Roberts, and Ken L. Pernezny

Several diseases must be controlled successfully if squash is to be grown commercially in our subtropical environment. Even though many growers have been combating these diseases for many years, substantial losses sometimes still occur. A sequential disease control program is presented in this pointer as a guide for commercial growers. If followed, disease losses should be minimized for the majority of plantings.

Powdery Mildew on Tomato

Gary Vallad, Pamela Roberts, Timur Momol, and Ken Pernezny

Powdery mildew occurs on greenhouse-grown tomatoes and occasionally on tomatoes grown in vegetable gardens or in commercial fields in Florida. The fungus Oidium neolycopersici causes the disease. Losses in fruit production due to decreased plant vigor can reach up to 50% in commercial production regions where powdery mildew is severe. Although this level of damage has not been observed on tomatoes in fields in Florida, plants grown in greenhouses in North Florida reached 50%–60% disease incidence.

Anthracnose on Pepper in Florida

P. D. Roberts, K. L. Pernezny, and T. A. Kucharek

Bacterial Speck of Tomato

Shouan Zhang, Geoffrey Meru, and Ken Pernezny

A UF/IFAS numbered Fact Sheet.

Tropical Vegetable Diseases: I

Shouan Zhang, Geoffrey Meru, Ken Pernezny, and Mary Lamberts

This fact sheet describes the symptoms of several diseases commonly observed on Florida tropical vegetables and provides recommendations for control.

Common Bacterial Blight of Snap Bean in Florida

Shouan Zhang, Geoffrey Meru, Aaron J. Palmateer, Ken Pernezny, and Jeffrey B. Jones

A UF/IFAS numbered Fact Sheet.

Florida Plant Disease Management Guide: Beans

Shouan Zhang, Geoffrey Meru, Aaron Palmateer, and Ken Pernezny

This fact sheet summarizes specific common diseases of beans, briefly describing symptoms and cultural controls. This edition is an update and revision with Geoffrey Meru as an added co-author.

2021 Florida Plant Disease Management Guide: Eggplant

Shouan Zhang, Geoffrey Meru, Ken Pernezny, and Aaron Palmateer

A UF/IFAS numbered Management.

Disease Control for Florida Tomatoes

Shouan Zhang, Mathews Paret, Ken Pernezny, and Pamela Roberts

Successful disease management has always been vital in Florida tomato production, given the generally ideal environmental conditions for most plant diseases. An integrated disease management program is a successful approach.