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| I have fought early blight the last two years in my container tomatoes. I had to use Daconil and got about half a crop.
After researching and finding out that blight stays in the soil, my questions are: Would it be in the unworked soil that my containers sat on? Or can I set containers there again? Is it OK to reuse plastic 5 gal. containers if they are disinfected with bleach? I live in a heavily wooded area without alot of breeze and this is the only full sun area I have for tomatoes. Thanks for any advice. |
Follow-Up Postings:
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| The fungus that causes Early Blight is also airborne so while it helps to avoid soil splashing on the plants you can still get it no matter what you do. It is one of the 2 most common tomato diseases and only fungicides from day 1 of planting seem to be an effective prevention. Your containers sitting on the ground are no problem unless the plant branches are also draping on the ground. The problems with trying to grow plants in 5 gallon buckets aside, yes buckets/containers can be reused if disinfected first. Fresh potting mix too. Dave |
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- Posted by woodlandgal 4 (My Page) on Tue, Mar 20, 12 at 11:09
| Thank you, Dave. I will give them another try following your advice. |
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- Posted by missingtheobvious Blue Ridge 7a (My Page) on Tue, Mar 20, 12 at 11:16
| Be sure to mulch around the plants to limit the chance of spores splashing up from the soil in the rain or when you water. |
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- Posted by Sherry_Bell 9 (central fl) (My Page) on Fri, Mar 23, 12 at 14:18
| that brings up a great question, what type of mulch? |
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| that brings up a great question, what type of mulch? Just search 'mulch' on this forum for many discussions. Even more over on the Soil & Mulch forum here. Dave |
Here is a link that might be useful: Mulch discussions
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| Dave- Is there a fungicide you particularly favor or can recommend? Appreciate any insight. Michael |
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- Posted by carolyn137 z4/5 NY (My Page) on Fri, Mar 23, 12 at 21:25
| I can't answer for Dave but in my experience THE best antifungal for the two most common tomato foliage diseases worldwide, Early Blight ( A. solani) and Septoroia LEaf Spot, is Daconil, which the original poster said was used. But the plants have to be sprayed as soon as they're put out and one has to spray on the regular schedule noted in the product label and one has to spray after rain has washed it off. Finally I've known folks who have used Daconil and say it doesn't work but when questioning them it turns out they were using the wrong concentrate. You have to use the concentrate which has, as I recall, about 29% active ingredient which is chlorothalonil/\\The person I was referring to was using a concentrate of 12.5 % which is useless. Both Ortho and Bonide offer the right concentrate. Carolyn |
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| Ditto what Carolyn said above - Daconil. Dave |
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| As always, many thanks Carolyn and Dave. Michael |
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- Posted by butchfomby 10 (butchfomby@yahoo.com) on Tue, Aug 6, 13 at 3:33
| FIGHTING BLIGHT...I HAVE BEEN READING ABOUT HOW TO CHANGE THE PH A LITTLE BIT TO KILL BLIGHT, ESP EARLY BLIGHT ON TOMATOES...IT WORKED FOR ME, KILLED THE BLIGHT AND TURNED LEAVES BROWN AND THEY FELL OFF...NOW READY FOR FALL CROP...MIXED COMPOST TEA, MOLASSES AND VINEGAR, VINEGAR WILL LOWER PH (USED ABOUT 2 Oz IN MY 5 GALS OF COMPOST TEA....NEXT I AM TRYING ON DIFFERENT PLANTS A TSP OF BAKING SODA TO A QT OF WATER (WHICH WILL RAISE PH)...HOPE THIS MAY HELP SOMEONE...ROY...DOESN'T COST MUCH |
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