Plant Pathology, Disease Control of Fruit and Vegetables

Alternaria Leaf Spot

Alternaria brassicae, A. brassicicola Most crucifer plants are susceptible to Alternaria leaf spot and plants at all growth stages may be affected. Symptoms caused by the two pathogens are very similar and both may be found on the same plant. Infection of seedling stems may result in damping-off...
Lowell L. Black
AVRDC - The World Vegetable Center

Manejo de Plagas

El documento “MANEJO DE PLAGAS” tiene el siguiente contenido: Se presenta de manera práctica la preparación de biocontroladores de plagas y enfermedades en base a extractos de plantas (narciso, hierbas, ajo, chile, cebolla, ortiga, neem y alcohol); también sobre...
David Gómez
Marco Vásquez
PyMe Rural

Alternatives to Methyl Bromide Soil Fumigation for Florida Vegetable Production

Florida growers, who have continued to rely on existing and internationally approved CUE supplies of methyl bromide, painfully recognize an increase in price, a future of diminishing supply, and the limits to which methyl bromide use rates can be reduced without loss of pesticidal efficacy and...
J. W. Noling
D. A. Botts
A. W. MacRae
University of Florida, IFAS Extension

Guía para el Reconocimiento de Enfermedades en el Cultivo de Tomate

El cultivo de tomate, es uno de los cultivos hortícolas más difundido en las distintas zonas agroecológicas de la Argentina y de países limítrofes. Constituye la hortaliza de mayor superficie bajo cubierta ocupa a nivel mundial. Su destino principal es consumo...
Mirta Alejandra Sosa
INTA Argentina

Florida Plant Disease Management Guide: Apple (Malus sylvestris)

Apple diseases addressed: Apple scab Bitter rot Black rot Botryosphaeria rot/white rot Cercospora leaf spot Crown gall Entomosporium leaf spot Fire blight Fly speck Mushroom root rot Pink limb blight Powdery mildew Rust Sooty Blotch Southern Blight
Mathews L. Paret
Tim Momol
Laura Ritchie
Hank Dankers
University of Florida, IFAS Extension

Florida Plant Disease Management Guide: Fig (Ficus carica)

Fig diseases addressed: Aerial/Web Blight (Thanatephorus cucumeris/Rhizoctonia solani) Anthracnose (Glomerella cingulata/Colletotrichum gloeosporoides) Cercospora Leaf Spot (Cercospora fici, Cercospora spp.) Fig Mosaic Virus Mushroom Root Rot (Armillaria tabescens) Nectriella...
Aaron J. Palmateer
Tara L.B. Tarnowski
Pamela D. Roberts
University of Florida, IFAS Extension

Vegetable Growers' Handbook Chapter VII: Disease Management

Diseases can occur at any stage during the course of plant growth. The rapid, accurate diagnosis of the cause of a disease, along with the implementation of a rapid treatment, is essential to ensure the protection of the crop. Certain infectious diseases caused by living, microscopic organisms...
Thomas Isakeit
George Philley
Texas AgriLife Extension Service

Turnip Mosaic Virus

Turnip Mosaic Virus (TuMV) infects most cruciferous plants, but is most damaging in Chinese cabbage, turnip, mustard, and radish. The most common symptom in these crops is a distinct mosaic of light and dark green colors in the leaves. Depending upon the virus strain and the crop species, necrotic...
Lowell L Black
AVRDC – The World Vegetable Center

Commercial Apple: Insect, Disease, and Weed Control

The guide contains the latest recommendations for insecticides, fungicides, nematicides, and herbicides for commercial apple production. The guide is a collaborative effort by Extension specialists and researchers from land grant institutions in the southeastern United States.
Robert Boozer
Edward J. Sikora
Alabama Cooperative Extension System

Crucifers Disorders: Tipburn

Damage Symptoms Symptoms occur in cabbage and Brussels sprouts. As the heads approach maturity, inner leaves become necrotic along their margin. Margins of one or more leaves turn brown beginning at the leaf pores. The area affected may be a narrow band or involve up to half of the leaf. Symptoms...
Lowell L Black
AVRDC – The World Vegetable Center