What can cause my tomato plant leaves to turn brown & yellow?
4 years ago
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Tomato leaves turning yellow and brown with holes
Comments (1)That's early blight. No reliable genetic resistance is available. About this time of year, I prune off all the lower leaves that have lesions to reduce inoculum. The damage will stop 2 feet or so up the plant, where the leaves stay dry. Here is a link that might be useful: Pruning for Early Blight...See MoreWhat is causing my climbing hydrangea's leaves to turn brown?
Comments (2)Normally when I see brown in the summer, I suspect a lack of water problem. The first indication of watering issues is browning on the leaf edges, which then 'moves' inwards but you also have some brown lesions in the middle of some leaves... that look resembles leaf spots, a fungal infection that spreads by overhead watering and high humidity areas. As the lesions grow, they can cover large portions of the leaf or all of it. I would proceed by first making sure that the soil is kept well mulched and evenly moist. Then make sure that there is no watering of the leaves. When watering and mulching, remember that the climbing hydrangeas have a large root system so water/mulch a bit far away from the trunk. Water the soil early in the morning, not the leaves. Test the soil in multiple areas before watering (to make sure that water is needed) but also test close and away from the main trunk. That way any root areas that are dry will get some water. Throw away any the worst of the infected leaves in the trash (say those whose = or > 1/3 of surface area is diseased). Monitor what happens and post again if there is a change. Leaf disease info: http://www.aces.edu/pubs/docs/A/ANR-1212/ANR-1212.pdf...See Moremy tomato plant new leaves are turning yellow and shriveling up.
Comments (13)I wouldn't fret too much about some yellow leaves here and there. Your toms look fine to me. My toms can sometimes look pretty shabby as the season progresses. That said, you want to avoid killing it with kindness. You might be getting some fried roots with a small black pot in direct sun. Water might not be penetrating the newspaper barrier on top of the soil. Tomatoes are resilient enough and do well enough if we just leverage their will to live. :) I grow toms year round in EarthBoxes using Dr Earth organic tom & veg fertilizer (5-7-4). One of the tenets of organic gardening is the use of water insoluble forms on nitrogen (Dr Earth fits the bill). Weekly/weakly fish emulsion and such is fine as well as a supplement, but not necessary. Organic EarthBox tomatoes:...See Morewhat causes tomato leaves to turn yellow and then dry up?
Comments (3)I have already pruned them all off. I was just wondering for future knowledge. The plant does have signs of: Septoria Leaf Spot Blight and probably one other disease But the leaves that turn yellow and then will turn completely yellow. They look like they are lacking nitrogen and then wilt away....See MoreRelated Professionals
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