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  • Answered by
    AnnsGreeneHaus on
    May 11, 2013
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  • Answered by
    Heather on
    August 13, 2014
    Certified Expert
    A.

    It sounds like you may have a leaf blister disease of some kind. This article may help:
    http://hyg.ipm.illinois.edu/pastpest/200206c.html

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  • Answered by
    AnnsGreeneHaus on
    June 23, 2013
    A.

    I would leave the fruit alone. If the tree thinks it's too much, it will shed what it can't handle. If you take a sample, take a fruit too.

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  • Answered by
    rileyroo on
    June 22, 2013
    A.

    Thanks very much for the reply in the affected area i have also noticed that the fruit that was growing has stayed really small, should i take these off? The rest of the tree (fingers crossed) is ok.
    April

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  • Answered by
    AnnsGreeneHaus on
    June 18, 2013
    A.

    If only half of the tree is affected, I would suspect herbicide drift. If this is the cause, the leaves probably will not grow back this season, but should next year. If the problem gets worse, take a sample to your local agricultural extension office.

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  • Answered by
    Nikki on
    February 25, 2014
    Certified Expert
    A.

    If this is a plum tree that you get fruit from, I would certainly take the sucker down as it is drawing energy from the parent tree, which will affect its fruit production. If it is a decorative plum, you can remove it if you would like, but it is up to you. The sucker will still be sapping energy from the parent tree, which can slow its growth, but it should not cause harm beyond that. If you remove the sucker, be sure to use sharp, clean pruners so as to reduce the chances of disease getting in the wound.

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  • Answered by
    Nikki on
    March 19, 2014
    Certified Expert
    A.

    It sounds like your pear tree has apple rust (which also affects pears). Here is more information on that: https://extension.psu.edu/plants/gardening/fphg/pome/diseases/rust For the plum tree, it is likely just not yet mature enough to bear fruit. They can take 3-6 years to mature. It may bloom for you this year. You can add some bone meal to the soil and that may help.

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  • Answered by
    Nikki on
    March 28, 2014
    Certified Expert
    A.

    It sounds like aphids. These pests are actually quite common on plum trees and may be green or black in color. We have found that neem oil is both effective and safe when it comes to treating or preventing aphid attacks. You can learn more about neem oil and aphids by reading the following articles: https://www.gardeningknowhow.com/problems/pests/neem-oil-uses.htm, https://www.gardeningknowhow.com/edible/fruits/plum/control-leaf-curl-plum-aphids.htm

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