Mandarin Tree help!

Quepos, Costa Rica

This Mandarina orange tree has produced at times quite a bit of fruit. We have pruned it somewhat, but it looks like it is sick with a lot of mold on it. I believe it is old, any ideas on how to revive it?

Thumbnail by candyce1
noonamah, Australia

It looks like moss on that tree. Limes seem to be the best citrus for tropical areas. Other citrus trees don't seem to like the high humidity of the tropics. And they seem to like a bit of a winter chill.

Quepos, Costa Rica

Thank you...I think this tree is very old and perhaps past its prime!

mulege, Mexico

I have a tangerine that gets a lot of white, moldy looking stuff on it. It produces well about every other year and doesn't seem bothered by whatever the white stuff is.

Your tree seems to have survived well in your climate for some years. I'd dig around the drip line and give it some fertilizer. Then see what happens. If it's survived this long and has produced well in the past I'd do what I could to save it.

kb

Quepos, Costa Rica

Thank you, but what and where is the Drip line?

mulege, Mexico

Sorry. The drip line is the larea under the tips of the tree branches - where the most water drips off when it rains. The new roots are developing there. When I had a mandarin in trouble I dug down about 8 inches just outside the drip time and put in lots of aged manure and compost. The tree loved it.

Trees ith some years on them add so much character to a property that I'd do what I could to save it. Thoug if it doesn't start producing agin I cn see that you might want to change it out. But if it has produced there, which is iffy for your area that's a good reason to make the attempt.

katie

Quepos, Costa Rica

Thank you. I will try that, as I agree it adds character to the place. I have some chicken manure etc, I hope that works

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