Tomato Diseases & Pests
TOMcast™ - Early blight, Septoria Leaf Spot and Anthracnose diseases
TOMcast™ is a decision support tool for timing fungicide sprays to manage early blight, Septoria leaf spot, and anthracnose.
Early blight of tomato is caused by the fungus Alternaria solani and characterized by large dark circular to angular spots with concentric rings, usually appears in older leaves. Septoria leaf spot is caused by Septoria lycopersici and characterized by small dark spots and can cause rapid defoliation. Anthracnose is caused by Colletotrichum spp and infect on fruit. The anthracnose symptom is characterized by sunken circular spot on fruits. All these fungal pathogen can survive in plant residues. All three diseases are favored by warm temperature (17 to 27°C) and longer wet period.
** Site-specific weather-based advisory and decision support tools for fungicide timing is available to registered users. Registration is FREE.
Jul 17, 2015
Site-specific Late Blight Advisory for Ontario Tomato Growers
Jul 02, 2015
How to access TOMcast™ and other crop management tools at www.vegtools.ca?
Aug 13, 2014
Recent Rain Pattern in Ontario Shows High Risk of Late Blight Incidence in Tomatoes & Potatoes
Jul 25, 2018
Downy mildew found in Michigan Cucumbers in 2018
Jun 20, 2018
Late Blight Found in New York State on Tomato
Mar 28, 2018
CAP Funding for Horticultural Growers