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Ohio | A lot of the university research suggests that it is not worth making a second application. I guess it would really depend on how severe the infection is and how far into R5 you are.
I finally found some tar spot in one of my hybrids last night. There was only one lesion per plant and only roughly 5% of the plants were infected. That hybrid is starting to dent. I plan to watch it through the weekend before I make a decision, but I don't think it will be worth it to spray. | |
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