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Citrus General Discussion / Please Help! Meyer Lemon Defoliation!!!
« on: March 07, 2020, 02:30:35 PM »
For the past month and a half, my Meyer lemon tree has been gradually losing its leaves. The leaves will turn completely yellow the fall off of the tree. I bought my lemon tree back in September from Lowe's and it was doing perfectly fine and was full of blooms. This is my first citrus tree, so I didn't quite know what to expect. As fruit started to set on the tree, I started to notice leaves turning yellow all over the tree.
I fertilize every two months with Citrus Tone and since the leaves began turning yellow, I have been feeding my tree with fish emulsion drench every two weeks, thinking that more nitrogen would benefit the leaves. I also cut off a lot of fruit from the tree thinking that would help with decreasing the stress. Well, now my tree is defoliating.... I only water my tree once a week to avoid root rot and it gets full sun outside. The only factors I can think of would be the normal cold winter weather in Tampa Florida (has not been less than 40 degrees). Also, I noticed that at the base of the veins for each leaf, there is a dark area. It does not look like any particular pest I can see, but I am thinking maybe it is a fungus?? Please take a look and let me know what you think.
I fertilize every two months with Citrus Tone and since the leaves began turning yellow, I have been feeding my tree with fish emulsion drench every two weeks, thinking that more nitrogen would benefit the leaves. I also cut off a lot of fruit from the tree thinking that would help with decreasing the stress. Well, now my tree is defoliating.... I only water my tree once a week to avoid root rot and it gets full sun outside. The only factors I can think of would be the normal cold winter weather in Tampa Florida (has not been less than 40 degrees). Also, I noticed that at the base of the veins for each leaf, there is a dark area. It does not look like any particular pest I can see, but I am thinking maybe it is a fungus?? Please take a look and let me know what you think.