![]() ![]() Large rough, brown lesions appearįigure 2. Infection of a tomato field can occur in a few days. Under favorable conditions, all parts of the plant can become infected. On the stem while the foliage appears burnt Move from the outside of the canopy inward (Figure 1).įigure 1. Infection on the lower leaves of the tomato plant, late blight infections seem to Unlike early blight, which typically begins The lesions eventually turn brown and the plant looks like it has beenįrost-damaged or blasted by a blowtorch. Late blight symptoms include leaf, stem, and fruit lesions that have a water-soakedĪppearance. What are the symptoms of late blight on tomatoes? ![]() Late blight is favored by cool, wet weather and will cycle repeatedly if weather Rain deposits spores onto plants, causing infection. Spores of this fungus can be airborneĪnd travel great distances in storms. Late blight is spread from infected transplants, volunteer potato or tomato plants,Īnd certain weeds botanically related to tomatoes. Late blight ( Phytophthora infestans) is one of the most serious fungal diseases that ![]() Lawn, Gardening & Pests Learning Activities.But you will want to continue to monitor the plants as blight can live on the stem and travel that way as well. Try these tips for storing green tomatoes for fresh eating.Īs far as peppers and eggplant go, you can harvest the tiny crops, but they'll be harder to consume as they may just be too immature.īut remember, if only a few leaves on your plant are affected, you don't need to pull up the entire plant. You can also harvest any green tomatoes if the plant needs to be pulled up and see if they'll ripen on your countertop. Yes! You can eat the new potatoes (baby potatoes) that are on the diseased plants. You can read more about watering methods here (or listen to the podcast).Ĭan I eat the vegetables that have been affected with early blight? Trying to keep your plants as dry as possible is ideal, which is why I like to use soaker hoses. Though watering with a sprinkler from above may seem easy and the most cost-effective route, it can also keep your plants damp which allows these fungi to grow and spread. Water from BelowĪs mentioned before, it's important to know the best method for watering your garden. Avoid Touching Healthy PlantsĪs you're going along in your garden removing any affected leaves, try not to touch your healthy plants with your hands because the spores will be on your fingers and can be spread unintentionally. I bring a plastic grocery bag into the garden so I can bag the leaves up and throw them in the trash or even burn them as soon as possible. Like I said before, the spores can travel by wind, so we don't want to potentially cause another outbreak in the future. Don't simply drop them far away from your garden or in your compost pile. You'll want to remove the leaves and dispose of them either in the trash or by burning them. Don't drop the diseased leaves on the ground of your garden.īecause early blight is caused by spores, the spores are still alive and active on those plant leaves. ![]() It's important to properly discard the diseased leaves and plants so the fungus can't continue to spread. ![]()
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