Plant Pathology, Disease Control of Fruit and Vegetables

Cane Blight of Blackberry

Cane blight can be a major disease of blackberry in the Southeast, resulting in severe losses ‐ sometimes causing the complete destruction of fruiting canes in any given year. It is generally not reported in other states as a major disease of blackberries, except when winter injury occurs on...
Phillip M. Brannen
Gerard Krewer
The University of Georgia and Ft. Valley State University

Florida Plant Disease Management Guide: Beans

Symptoms and cultural controls for specific common diseases: Alternaria Leaf and Pod Spot (Alternaria spp.) Anthracnose (Colletotrichum lindemuthianum ) Ashy Stem Blight (Macrophomina phaseolina ) Bacterial Blights (Xanthomonas campestris pv. phaseoli, Pseudomonas syringae pv....
Shouan Zhang
Aaron Palmateer
Ken Pernezny
University of Florida, IFAS

Florida Plant Disease Management Guide: Chemical Control Guide for Diseases of Vegetables, Revision No. 21

This publication is a guide to lawful use of sprayable chemicals intended for control of plant diseases affecting vegetables grown in Florida. For each crop, products are listed by FRAC code in alphabetical order to help differentiate products based on their active ingredient(s) and their specific...
Gary Vallad
Ken Pernezny
Natalia Peres
Richard Raid
Pam Roberts
Shouan Zhang
University of Florida, IFAS

Crop rotation and genetic resistance reduce risk of damage from Fusarium wilt in lettuce

Fusarium wilt of lettuce, caused by the soilborne fungus Fusarium oxysporum f. sp. lactucae, affects all major lettuce production areas in California and Arizona. In trials at UC Davis, we found that lettuce cultivars differ significantly in susceptibility to the disease, with some leaf and...
Jeness C. Scott
Thomas Gordon
Sharon C. Kirkpatrick
Steven T. Koike
Michael E. Matheron
Oswaldo E. Ochoa
Maria J. Truco
Richard W. Michelmore
California Agriculture

Seguimiento de plagas y enfermedades

Existen dos procedimientos básicos para el seguimiento de plagas y enfermedades en las empresas uno de ellos es el monitoreo y el otro es el rastreo o scouting. El monitoreo se usa principalmente cuando son problemas muy conocidos, estables en la finca y cuando se desea llevar una observaci...
Alfredo Durán Quirós
Dennis Mora Acedo
Universidad de Costa Rica

Essential oils for rust control on coffee plants

    Rust is considered the most important disease in coffee because it causes severe defoliation in plants and, consequently, reduction in productivity. This study evaluated the in vitro effect of essential oils of cinnamon, citronella, lemongrass, clove, tea tree, thyme, neem and...
Ricardo Borges Pereira
Gilvaine Ciavareli Lucas
Fabiano José Perina
Eduardo Alves
Ciência e Agrotecnologia

Validación de un Sistema de Manejo Integrado de Plagas y Enfermedades en Huertos de Manzano [Malus sylvestris (L.)Mill. var. domestica (Borkh.) Mansf.] en Chihuahua, México

Durante los años 1999 y 2000, se validó en área comercial de tres huertos con los cultivares Golden y Red Delicious el sistema de manejo integrado de plagas (MIP) en manzano, desarrollado por Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias (...
Manuel Rafael Ramírez Legarreta
Juan Luis Jacobo Cuéllar
Mario René Ávila Marioni
Roberto Gutiérrez González
Revista Mexicana de Fitopatología

Tomato Diseases Gray Mold (Botrytis cinerea)

“Ghost spots” appear on fruits after periods of prolonged high humidity. These superficial spots have a pale halo with a brown to black pinpoint spot in the center. On unripe fruit, the halo is pale green or silvery, and generally the tissue inside the halo is paler green. On ripe...
Ray Cerkauskas
AVRDC – The World Vegetable Center

Tomato Diseases Gray Leaf Spot (Stemphylium solani, S. lycopersici)

Foliage of plants from seedlings to mature plant stage is affected. Brown to black specks appear on both the young and older leaves. The lesions expand slowly into 1- to 2-mm-diameter round spots that remain brown or develop a gray center surrounded by a yellow area. Sometimes the center of the...
Ray Cerkauskas
AVRDC – The World Vegetable Center

Midwest Small Fruit and Grape Spray Guide 2012

    The pest management recommendations in this guide have been formulated to provide you up-to-date information on pesticides and their applicability to your problem. It is suggested that you use this information to set up your own spray program. You should keep accurate records of...
University of Illinois
Iowa State University
Kansas State University
University of Kentucky
University of Missouri
Missouri State University
University of Nebraska
Ohio State University
Oklahoma State University
Purdue University
West Virginia University
University of Wisconsin
Midwest Fruit Workers Group