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| I don't know what this is but it's happened to my tomatoes for the last three years. I thought it was fungal spores of some type that were in the soil. I have an isolated raised bed so I removed the top ten inches of soil and replaced with a nice peaty mix. Everything was doing great and then I started seeing the telltale yellow leaves which I removed. I already pulled up two plants and I'm ready to pull these two also. One thing I noticed is that the tomato fruit stops growing once disease takes hold. Last year I got some fruit but the taste was terrible. I threw them away. I am broken hearted and just don't know what is is or what to do. I try to keep organic and did spray with organicide to no avail. Please help. I am Desperate in Jersey |
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| I don't see any spots or specks that would indicate a disease (either fungal or bacterial). If it's just the lower leaves, they do that with age. If more than a few (hard to tell from 1st photo - is that sun glare or are the upper leaves on the half of the plant near the fence yellow?), could be insufficient nitrogen. The leaves at the top of the plant (left of photo) in 2nd photo/post look healthy. Can't say why fruit tasted bad, could just be the variety. What's in the new mix besides peat? Have you tested it? Have you fertilized? How big is the bed and how many plants do you have in it? Looks like a lot of suckers/foliage crammed into a 3-ring tomato cage. While it doesn't look like disease from what I can see of the leaves, you could prune a little for better air circulation, esp. given the rain we've had lately. |
This post was edited by ajsmama on Fri, Jul 5, 13 at 11:42
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| No signs of any disease in the photos. The yellow leaves are caused by a) over-watering or b) salt build-up in your soil from excess use of high salt fertilizers, or c) nutrient deficiency (usually magnesium and/or nitrogen), or d) skewed soil pH that prevents nutrient uptake. Dave |
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