New and Unread Tree-Mails
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Bryan texas  Noob101 Apr 10, 2018 7:06 PM CST |
I am a new gardener trying to learn as fast as I can. I have started lots of zinnia and vegetables from seed this spring and everything seems to be doing well. I did notice some brown spots on my zinnia and tomato's. We have had lots of rain and here in South Texas we often get a few inches per storm that rolls threw. Does anyone know what these spots are?   |
Name: Lin Florida Zone 9b, 10a              plantladylin Apr 10, 2018 7:35 PM CST |
Hi Noob101,  It looks like Powdery Mildew; a fungal infection that causes gray to whitish powdery growth on leaves; it can affect many plants during warm, humid weather. You can find information regarding cause and control on this page: https://hgic.clemson.edu/facts... ~ Playing in the dirt is my therapy ... and I'm in therapy a lot! ~ |
Name: Mindi Hammerstone Tracy, CA (Zone 9b)   MindiHammerstone Apr 10, 2018 8:27 PM CST |
Thank you for the link. I have some on my little parade stems. Need to get a fungicide. I learned something new!! Mindi |
Bryan texas Noob101 Apr 10, 2018 9:01 PM CST |
| thanks for the quick reply! Powdery mildew was my first thought as well because I have heard about it so much on zinnia. I spent a bit of time looking at google images and noticed a few differences. On my plants there is nothing on the leaf surface that I can physically remove with my fingers. Also the brown color seems to follow the leaf structure and form around the veins in the leaf, instead of being random and covering the leaf. It very well could still be powdery mildew as I have never seen it in person and have no experience with it. I will go ahead and get a fungicide and give it a try because even if this is not powdery mildew I am sure I will see it later on with our wet summers. Thanks again! |
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