Last couple of years I have had "marbles" from my Mandarin Tree.
This year I got the biggest crop of beautiful fruit ever! But every piece has been hit by Fruit Fly.
I spent $85 on Fruit Fly deterrent specifically for that tree, I have 5 other Citrus trees but they are perfect, NO Fruit Fly!
Short of digging out the tree, what can I do to prevent this happening next season??
Is it something in the ground, can it be treated??
I am very close to digging out all my Citrus trees due to the Fruit Fly.