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More pictures and info, please. Perhaps several things are happening at once.
I realized that there is another mango disease.... It's called "mango hoarding." I have 28 mango tree varieties in-ground; my orchard seems to have the mango hoarding disease. Is there any known treatment for this disease? Or am I doomed to plant more and more mango trees?Of course I mention this with the 23rd Annual International Mango Festival at Fairchild is a little over a week away...
My Tequila Sunrise mango tree has been in the ground for about five weeks now. It has one new branch with new leaves just above the graft, and at the very top, it has a bunch of white tips (buds?) that look like they are getting ready to shoot out new leaves or branches. In the last two days, it has started developing brown spots on the very top leaves (see photos). The lower leaves still look healthy and green. Got any clue why the top leaves would be turning brown? Should I worry?
Leaf scorch and probably initial leaf necrosis. What's causing it is a guess as I don't have any information about your culture, what conditions, food, pest control the plant has been receiving. Have you been hitting it hard with fertilizer? Sun burn?
When I refilled the hole, I added a bit of Avocado @ Citrus Organic Fertilizer and some organic compost. The tree gets deep watering once a week.
I have planted probably 10,000 trees and other stuff on my property in the last 10 years including grapevines. Every single one got a 12 mo. slow release Polyon 19-4-9 with micros. I just throw a handful at the base of the seedling after it's been planted and move on. Growth and health is incredible. Never put fertilizer in the hole.
Amend clay with sand and charcoal/ bio-char.Some added Manganese may help the current situation.
Quote from: Mark in Texas on July 17, 2015, 03:05:28 PMI have planted probably 10,000 trees and other stuff on my property in the last 10 years including grapevines. Every single one got a 12 mo. slow release Polyon 19-4-9 with micros. I just throw a handful at the base of the seedling after it's been planted and move on. Growth and health is incredible. Never put fertilizer in the hole.That is kind of high on the nitrogen for a mango.
Wow, thanks for the great feedback! So, is there no way to improve the clay soils which lie under my topsoil? And considering the new growth on the tree and overall good health of the rest of the tree, are the brown spots on these top leaves just the beginning of something bad? Or is it just sunburn that the tree will recover from?