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Topics - Ruby93

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Tropical Fruit Discussion / Young Mango Tree - Help!!
« on: September 13, 2019, 11:40:04 AM »
Hi all, a couple of months ago, I bought a young Cogshall Mango tree that I have kept in a container in the yard. I live in south Florida and we have also had a lot of summer rain here. It is about 3 feet tall at the moment. It has access to full sun, is watered every afternoon currently, and is in a soil that is meant for good drainage. I used a cactus/palm soil and repotted into a larger pot than what the nursery had it in, keeping a lot of the previous soil also. I am currently not fertilizing my tree as I was advised that the soil it was in from nursery should have enough for a couple of months, so I know I need to start soon. Have no idea what organic product to use after trying to read up on it, I was told 8-3-9 is best, but cannot find an organic fertilizer with that ratio. The tree had some dark spots on it when purchased.

Recently I have noticed that some of the younger leaves are starting to discolor, black dots are found on the leaves, and on a couple of the leaves, you can see a small clear strand extend from the underside of the leaf with a white dot attached to it. I think I may have some sort of pest infestation brewing, but I have no clue what kind of pest or what multiple PESTS are affecting the tree and how to combat them. I also think it could be something fungal happening at the same time with all the summer rain we have, but I'm trying to figure out the pest situation. For 2 weeks in a row, I sprayed it with Monterey Disease Control once per week, and it does not look any different. I have tried to research the cause, but I am bombarded with information and it's overwhelming. Spider mites? Leaf miners? Fly larva? Can anyone take a look at the photos and please try to identify the issues with my young tree? I don't want to lose it without a fight! Any thoughts or recommendations on fertilizer and ideas as to the issues would be appreciated. Thank you!

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