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Sun, Dec 15, 13 at 0:22
| See: http://www.agrosym.rs.ba/agrosym/agrosym_2013/documents/1pp/pp75.pdf |
Here is a link that might be useful: link for above
Follow-Up Postings:
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- Posted by donaldvancouver cool wet z8 (My Page) on Sun, Dec 15, 13 at 18:14
| Interesting. Has anybody used Vegard in the field? Is it available? |
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| The authors say that Vegard is a biofungicide developed by the Chinese that works almost exactly as well on powdery mildew as Benomyl but they don't say what it is or if it is available. I googled Vegard and there was nothing. |
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- Posted by arkroselady 7b (My Page) on Mon, Dec 16, 13 at 9:28
| I didn't think anybody used Benomyl anymore. I am told that many years ago there was something in it that killed a lot of roses. The company never took responsibility. Anyway, I wish the researchers had tested Vegard against what people use now. I've never had powdery mildew so I don't know what they use now... but one needs to know what is available just in case. |
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- Posted by wirosarian z4b WI (My Page) on Mon, Dec 16, 13 at 13:14
| Green Cure is an organic pesticide that works very well against PM, its active ingredient is potassium bicarbonate which is a food additive that has a GRAS designation. It is also labeled for black spot & some other problems but most rose people find that it only works well on PM. |
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