Worms in plums - help needed

by Elaine
(SC USA)

I have a small home veggie garden with blueberry bushes and a plum tree that is organic.


Most of my plums fall off before ripening and have worms in them, how can I remedy this. I'd like to get a decent harvest this year as they are nice deep reddish purple plums. I didn't plant it so I don't know the variety.

Any ideas anyone? Thanks Elaine in SC




















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May 16, 2017
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thanks for your reply
by: Anonymous

thanks I will try to find the bait and netting.

May 16, 2017
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FRUIT FLY
by: Tony

[quote]Most of my plums fall off before ripening and have worms in them, how can I remedy this. [/quote]
It appears that you have fruit fly. There a number of varieties around the world.
Our stone fruit, pomes, figs and citrus also suffer from fruit fly "strike".
The "worm" is the larvae (maggot) of the fruit fly. They lay their eggs in the fruit while it is still unripe and, as the sugars increase in the fruit as it ripens, the larvae grows bigger and pupates. When it pupates, it drops from the fruit to the ground, where it later transforms into an adult. Female fruit fly lay the eggs, male fruit fly fertilise them.
There are 2 ways of dealing with this issue:
1. Cover the tree in a fine insect mesh. (I have enough to cover 2 trees and it cost me about Au$150 for enough for each tree. I will need to get more, but the test was successful, We harvested unmarked apricots last year)
2. Use "baits" to attract the fruit fly to the baits where they are trapped and die. Commercial orchards may be using something like this. I found that the bait solution needed to be changed weekly throughout the growing season, and I still had a lot of ruined fruit. That may have been due to my failure to replace the bait often enough or that the bait I used was not effective, or......
Have a Google about fruit fly (some friends of mine call it White Fly - They are in Washington State, so it may be called something else in your area.)
Happy Homesteading

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