Immunox for Cedar Apple Rust?
glenn_russell
15 years ago
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theaceofspades
15 years agoglenn_russell
15 years agoRelated Discussions
Apples Immunox, fruit tree Spray, & Sevin Cocktail or separate?
Comments (10)Hi Valsound- I don't believe that the amount of Sevin(Carbaryl) is sufficient to do any thinning, as otherwise, it would be thinning for all the other people who use it. Also, there'd be a warning about that on the label. Really, it's about knowing what the diseases and insects that you face are. And if you've read my rants, you'll know that the Bonide FTS's ingredients often aren't effective against these pressures nor in sufficient quantities. Regardless of the insect, Trazicide can easily be obtained at Walmart, and will definitely keep your apples worm free. For diseases, I'd suspect you're facing Cedar Apple Rust and Scab. 2 sprays of Immunox (you may need to get that online) at petal fall and 10-14 days later will do the trick there. With the Bonide, you can spray it much more often, and it still isn't going to have any affect on Cedar Apple Rust. From a grower who's been there, the FTS really isn't even worth spraying. Instead, less sprays with Trazicide and Immunox you will get fruit you can be proud of. -Glenn...See MoreWhat can I do now about Cedar-Apple Rust on Apple Trees
Comments (8)Thanks for the responses. How toxic is Immunox/myclobutanil? The warnings of course make it sound horrible and our water comes from a well not far off. Unfortunately, there will be no getting rid of the cedars, for family reasons. And while the area around the trees is mowed and underneath is kept mulched and weeded, the rest of the field (and the surrounding fields) are basically tall weedy grass that gets mowed once a year. That's not going anywhere either unless someone gives me a brush hog and a tractor to pull it with. I guess the best bet moving forward is to try to spray at the right time(s) in the future. I'll look into the suggested sprays for this year, though. Randy - My William's Pride isn't bearing yet (just put it in this year). I've had them from farm stands though and thought they were good enough to try planting. I don't have any tasting notes or anything, though :) Anyway, I hope they're good. Thanks again. Sam...See Moreapple cedar rust - which apples to plant - any ??
Comments (2)I did a Google search for "cedar apple rust resistant apple varieties" and this publication from the University of Arkansas was the first one on the list. Here are some others as well: http://extension.missouri.edu/p/G6026 http://www.ces.purdue.edu/extmedia/BP/BP-132-W.pdf Here is a link that might be useful: cedar apple rust info from university of Arkansas...See MoreApple tree leaves yellowing and spotted - cedar apple rust?
Comments (3)It's not cedar-apple rust. Looks more like scab, a fungal issue than can affect both apples and pears although many disease resistant varieties available. I'd take samples of the affected leaves into your local extension office for an accurate diagnosis and the best methods to treat this problem in your area - appropriate treatment and timing can vary by location and I have no idea how prevalent this may be in FL or what they recommend. FWIW, scab does not necessarily require treatment. It depends quite a lot on how severe the disease is and how much leaf loss occurs as a result. My favorite apple variety - Gravenstein - is extremely prone to scab, yet I grew it for years and never, ever sprayed. It lost some leaves during the season but nothing drastic and scab seldom does anything more than blemish the appearance of the fruit - it remains totally edible. So spraying fruit trees is NOT a requirement if you are able to tolerate less than pristine looking trees and fruit....See Morevirginiald
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