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Posted: Mar/28/2009 6:33 AM PST
I live in Ohio. Some of my shrubs have fungus. I know that you are supposed to remove the leaves etc but that is impossible since it is on so many leaves unless I prune them back. It is March. How can I control this and how early shall I put fungicide on them and how often. Should I spray the ground as well. These are new plantings 2 years old. Thank you |
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Posted: Mar/29/2009 2:55 AM PST
Read the label on the fungicide. It tells when it should be applied. It usually takes 2-3 applications before you can rid the fungus in some situations. |
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Posted: Apr/05/2009 5:34 PM PST
Remember that fungus is a bacteria and if you are pruning you will spread the bacteria to all the limbs that you are pruning. Pruning helps promote air circulation but you should sterilize your pruners between cuttings. Late dormant season is the best time to prune for air circulation but each plant is different. So, let me know what kind of plant it is. Also, read the free services post I wrote earlier in this forum. It is about the Pest management offices thru cooperative extension services. You maybe able to send a sample for free, identify what type of fungus and find out if there is a host plant that is exchanging the fungal spore. For example, In Maine and other areas there is the fungal disease of crab apples called Cedar apple rust. It happens when crabapple, junipers, and cedars are in close proximity. They all interchange a fungal spore in the fall and spring. Not planting them nearby can lessen the problem. There are some pine tree needle fungal problems that only exist when golden rod and asters are nearby. So, removing them or being aware of it can help. |
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Posted: Apr/05/2009 5:34 PM PST
Do a good fall cleanup around the plants as well!! |
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