peach/nectarine tip disease- pics
13 years ago
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Comments (18)
- 13 years ago
- 13 years ago
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pics of peach leaf curl- despite using copper
Comments (33)I love these "tips". How bout a little research backup before someone looses a crop on an experiment. Peach leaf curl is an unpredictable disease so anecdotal observation is not going to be a very useful method of evaluation. Lychee, did you get my e-mail? Chlorothalonil aka Bravo, Echo, Applause, and Concorde is not a restricted material in NY which is one of the most restrictive states, 2nd to only CA I reckon. Or at least it wasn't as of the publishing of the Cornell 2007 Tree Fruit Pest Managment guidelines. It's use as a brown-rot control for peaches is limited to early application which doesn't matter to me either because I agree with Don that there are much better materials for this. To my knowledge however it is still supposed to be the most affective treatment for peach leaf curl and for black-knot on plums which is what I use it for. I don't find peach leaf curl to usually be a very persistant problem if trees are pruned open enough and they recieve enough direct sunlight....See MoreNeed fruit tree disease ID help, please! (Pics)
Comments (11)First tree IS PLC. Minorly affected. And some nitrogen deficiency. Fertilize and spray more during the dormant season. One of my nectarines, 'Desert Delight' does this, despite getting sprayed. It often misses the last spraying, as it breaks bud first of all my stone fruits. Not sure about the large split down the trunk - could be due to irregular watering, could be disease related. Tree 2: Not sure that's bacterial canker. Water, fertilize with a higher nitrogen fertilizer and mulch under the tree (keeping the mulch away from the trunk of course). Let's see if we can save the tree, first. Send your photos to your local Master Gardeners or extension office, and let's see what they have to say. Keep us posted. Patty S....See MoreDisease and Insect ID with pics
Comments (25)Hi MrsG47- Right. Immunox Plus is more commonly sold around here, but it has an insecticide which isn't rated for fruit. I wouldn't think it's the end of the world if you've used it so far this year (I'm just a novice though, and take my advice with a grain of salt, and you'd be hard pressed to find anyone here on this forum recommending going against the label). The insecticide is Permethrin if I remember correctly, and Permethrin is used on fruit in some circumstances. As of now, there really isn't a need to spray Immunox after this point in the season, so I would just put the bottle away, and get the right stuff next season. I've included a link to regular Immunox (not Plus) below. The only caveat with it is that I know they've changed the concentration lately on Immunox, and you'd probably get the best value from the higher concentration one, but I haven't looked if this one is the higher concentration or not. Luckily you have at least 9 months to research it! -Glenn Here is a link that might be useful: The Right Stuff...See MorePeach tree - leaves yellowing with brown tips
Comments (0)Hi, new here and was wondering if anyone is familiar with the problem we're experiencing with our young peach tree. The tree has been in the ground for about 18 months now. We're in Austin Tx where the weather has become very hot and humid this past month. We had a ton of rainfall back in late May through June. The leaves are turning yellow and appear to be burning at the tips - not sure if that's an accurate assessment - pic below shows progression from left to right. There does not appear to be any reddish tint to indicate nitrogen deficiency but we are seeing some brown spots on the younger green stems. We are also seeing the same issue on a small cherry tree nearby. Just not sure if this is a deficiency or bacterial disease, any help/clues would be most appreciated....See More- 13 years ago
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