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Anon starts with ... Hi Just wondering if anyone has had success and can give some advice re treating bacterial canker on young peaches/nectarines. Haven't got the cankers yet as such but have all the other symptoms. I'm going to clear mulch, cut back effected tips and spray with copper oxy and bourdeaux. My book says young trees will never recover fully and that they should just be ripped out. I am reluctant to though and would like to try till next spring perhaps. Any advice appreciated.
| About the Author Coffs 13th March 2011 10:34am #UserID: 0 Posts: View All 's Edible Fruit Trees |
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amanda says... They don't look good Anon.. :( The treatments u are looking at are for fungi - not bacteria. My advice would be to bin them and start again. Are they getting watered by sprinklers via the lawn? If so - no good. It's worth a shot with the copper sprays though....I would try the same myself... ;) Sometimes it's hard to tell what is going on (IMHO)! The only other option I can think of - is to transplant them out of the lawn and see what happens...but do it soon. You can waste heaps of time nursing sickly plants for nothing. Sometimes u just have to be ruthless :( PS - what's that little round leaf thing growing in the lawn in pic 2? Also - u are spraying weed killer around the trees? | About the Author amanda19 Geraldton. Mid West WA 14th March 2011 3:18am #UserID: 2309 Posts: 4607 View All amanda19's Edible Fruit Trees |
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Original Post was last edited: 14th March 2011 3:29am | |||||||
amanda says... If I get a case of bacterial canker - I am going to have a bash with hydrogen peroxide in truth! Most B.Cankers are from Psuedomonas which is a Gram Positive bacteria and reacts quite violently to H.peroxide. (one for u here kert - it's called "catalase positive") Nothing to lose I reckon - and cheap from the supermarket!? :) | About the Author amanda19 Geraldton. Mid West WA 14th March 2011 3:37am #UserID: 2309 Posts: 4607 View All amanda19's Edible Fruit Trees |
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Brendan says... Hi anon, Try mixing copper oxychloride with mancozeb plus, 30g of each in 4½ litres water and a 'good' wetting agent. The wetting agent is the key! Spray once a week until it clears up, then spray once a month. I'd give it some sulphate of potash fertilizer (that will harden the tree up), and some dolomite. Mulch is good, but best kept 200mm from the trunk :-) | About the Author Brendan Mackay, Q 14th March 2011 8:00am #UserID: 1947 Posts: 1722 View All Brendan's Edible Fruit Trees |
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Anon says... Thanks guys for your response. I've since cut them back to what appeared to be clean wood (and amazingly have not had any rain since I did this!) A quick inspection this morning showed however, that the oozing gel has now moved down the plant out of and below these points! So I'm afraid they're not long for this world. Will give the spraying a go though. Can't hurt. . . I guess. Amanda, the kidney shaped leaf is native violet - and a little bit rampant, it's been given a bit of a leg up with recent army worm attacks on my lawn. Thanks again for the advice. | About the Author Coffs 15th March 2011 4:56pm #UserID: 0 Posts: View All 's Edible Fruit Trees |
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| About the Author T J Dubbo 21st July 2013 12:10pm #UserID: 4482 Posts: 8 View All T J's Edible Fruit Trees |
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