It is also recommended to stake your tomato plants instead of caging them, and space them appropriately. Watering at the base of the plant can help prevent this if you do use a sprinkler system or similar method to water your tomatoes, do so in the morning to allow the plant an opportunity to dry throughout the day. Moisture, especially on the leaves, provides great conditions for the spores of these diseases to make themselves at home. These diseases can be spread many ways, and knowing what they are can supply simple solutions. Early and late blight affect potatoes as well, in fact, late blight caused the Irish potato famine. It looks white and fuzzy on the underside of the leaf, and destroys crops quickly. Late blight affects large portions of the leaves. Early blight can set in the stems and leaves, and is identified by legions with target-like rings. Septoria leaf spot is characterized by small, dark circular spots that often have yellow halos around them they appear on the lower leaves of the plant first. Don’t let the names early blight and late blight mislead you, they can appear at any time during the year. He discussed in detail three pathogenic diseases: septoria leaf spot, early blight, and late blight. Martin Draper, a plant pathologist through the USDA National Institute of Food and Agriculture, taught us how to identify them and what we can do to treat and prevent them. The People’s Garden Workshop topic this week was tomato blights and spots, and Dr. However, several diseases love our tomato plants just as much as we do. We are passionate about our tomatoes and savor that ripe, fresh fruit. Written by Kayla Harless, People’s Garden InternĪlmost everyone who gardens grows tomato plants.
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