Common Peach Diseases and Insects and How to Prevent Them

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Published 2021-07-10
Peaches are very susceptible to several diseases and insects that can spoil the harvest or even kill the tree. Retired UT Extension Agent Mike Dennison talks about the most common diseases and insects of peach. He describes the symptoms of brown rot, peach leaf curl, and phony peach disease as well as the insects plum curculio, white peach scale, and peach borer. Mike then talks about what to do to prevent these problems and gives a spray schedule to keep your trees and fruit protected all year.

0:00 - Introduction
1:01 - Brown Rot
2:10 - Peach Leaf Curl
2:23 - Phony Peach
3:26 - Plum Curculio
4:20 - Peach Scale
5:31 - Peachteee Borer
5:57 - What to Spray
6:16 - When to Spray
8:28 - How to Control the Peachtree Borer

*UT Home orchard spray guide:
ag.tennessee.edu/EPP/Redbook/Home%20fruit%20spray%…

*Here are links to the chemicals Mr. D talked about: (Amazon affiliate links)
Always read and follow label directions
Cover Sprays:
Captan Fungicide: amzn.to/48bBDWd
Sulfur Fungicide: amzn.to/488mi8H
Chlorothalonil Fungicide: amzn.to/49mft4u
Malathion Insecticide: amzn.to/3wbevde
Dormant Oil: amzn.to/3OCNrd3
Home Orchard Spray Containing Captan and Malathion: amzn.to/3HPZSOT

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All Comments (21)
  • Man, I have never spayed my trees that much with that many chemicals. Twice , dormancy and bloom. That’s it. I don’t know if I’d eat his peaches lol.
  • I made this same comment under another family plot post but I tried to grow my peaches completely organically and sadly I watched tree after tree get weak, the fruit was terrible and oozing. Finally someone convinced me to at least try and spray them with sulfur and you know what I did spray sulfer, one application of sulfur and that's it. I have 7 acres and I had four kids at the time and I just did not take the time to find out how to take care of the peach trees. Well I have new peach trees now and I listen to an older peach farmer tell me you got to spray and spray. Kelsey told me if you're going to go 100% organically best of luck to you let me know how it goes. I didn't want to bother him and ask a whole Litany of questions like, when do I spray and how do I spray.... so I'm so grateful for these videos because they answered all my questions.
  • @erol13
    Thank you so much for these priceless information!
  • That was some great information I will definitely remember that if I ever decide to plant a fruit tree
  • Thank you for the very informative video. I had been searching a lot but couldn’t find the name of the bugs in my little garden. I’ve bought a nectarine tree recently and it didn’t come healthy, which brought me to this video. And now I know the name of the bugs also, glassy-winged sharpshooters. I need to find a way to control them.
  • @yerneedsry
    You made me want to give up on my fruit trees now..
  • @briimarie2218
    I think it would be very appreciated from multiple viewers. not just myself if you would do alternatives to some of these chemicals as they are not legally allowed to ship to California. I cannot be the only one who can't get a lot of the chemicals that you guys recommend sent to me. I love your videos are very informative. thank you for all your information
  • @jawadturk
    So far this year in the state of Michigan I've had leaf curl, ooz coming out of both the fruit and the trunk and now the tip of the new growth is turning red then wilting and dying. All of this happened while I already had a spray program and was treating with Captan and bug buster which has esfenvalerate in it but tbh it rained more than usual during may and I should've probably sprayed more often. At this point I'm just hoping that my tree will survive till next season.
  • @susieczellar4580
    My peach was oozing a yellow substance. (Right on the little split line area of the peach) Is it too late to save the little fruit? This is the 1st year my tree has had fruit. I'm very new to growing peach trees and especially the actual peaches.
  • @mabercrombie100
    I win..I am pretty sure my peach tress have had or have all these ;) my husband may have been correct to just chop them down ;)
  • @Big88Country
    When fruit is on the tree, do you mix Captain and Malathion together to spray?
  • @saadullah8453
    It would be great to add fertilizer & irrigation need and schedule of peaches & plum? Thanks for great service.
  • Hi there I found your program very informative and interesting. I live in NZ, and I have no problem growing any kind of stone fruit tree among many others. My ground is black iron orr sand from the West Coast of our NI. From my mouth to the ground then a few mouths latter up pops this tree. Our problem here is brown rot lots and lots of it all over our district and curly Leafe. Cupper is used pretty much all year around if I can beat the rains fortnightly for curly leafe except when tree has fruit on it. But this brown rot thing well that's another matter. No one has ever been able to rid our district of it in fact last summer was the worst in the history of all stone fruits. I have 50 odd wild peach trees from golden queens, green gages, black boys and a number of different white peaches as well as nectarines scattered in my back yard as well as along our State Highways, these were all hit with brown rot last season. I'm a hobby farmer not for profit.
  • @kenb3552
    I have had hole shot and peach leaf curl affect my tree Georgia Belle at different times. They seem to require two different kinds of fungicides to prevent, but are applied on the same schedule. Can I mxi the two fungicides (Chlorothalonil and copper fungicide) together in the same sprayer for one application?