Belinda starts with ...
I have a big, old peach tree that in the 2 seasons i have lived here has produced masses of blossom and fruit that look very healthy but never fully develop. Then they get sap oozing from them and drop off the tree unripe. Some stay on the tree and mummify - i've knocked all these off though.
In the photo of the main trunk you can see the bark is quite cracked but the rest of the branches look quite healthy. There is no sap/gum on the bark and never any damage on the leaves.
Unfortunately (being winter) i don't have any photos of the new fruit just an old mummified one that was still on the tree today. I haven't seen any fruit ever ripen on the tree. What could this be caused by and what can i do to prevent it?
I have a big, old peach tree that in the 2 seasons i have lived here has produced masses of blossom and fruit that look very healthy but never fully develop. Then they get sap oozing from them and drop off the tree unripe. Some stay on the tree and mummify - i've knocked all these off though.
In the photo of the main trunk you can see the bark is quite cracked but the rest of the branches look quite healthy. There is no sap/gum on the bark and never any damage on the leaves.
Unfortunately (being winter) i don't have any photos of the new fruit just an old mummified one that was still on the tree today. I haven't seen any fruit ever ripen on the tree. What could this be caused by and what can i do to prevent it?
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Belinda
Wesburn, Victoria
5th July 2008 6:16pm
#UserID: 1131
Dekka says...
It might be caused by an introduced beetle called Carpophillus. It spreads spores of the Brown Rot fungus. If the sap is oozing mainly from the stem-end of the fruit then it's likely to be the beetle attacking the fruit. You have to clean up and get rid of everything that falls from the tree as well as the mummies that persist and any unhealthy looking twigs. Pruning your tree to a more sparse habit may also help to compensate for unusually humid conditions that promote fungus.
It might be caused by an introduced beetle called Carpophillus. It spreads spores of the Brown Rot fungus. If the sap is oozing mainly from the stem-end of the fruit then it's likely to be the beetle attacking the fruit. You have to clean up and get rid of everything that falls from the tree as well as the mummies that persist and any unhealthy looking twigs. Pruning your tree to a more sparse habit may also help to compensate for unusually humid conditions that promote fungus.
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