Posts Tagged ‘disease’

Large Patch in Zoysia

Q: I have zoysiagrass. It was beautiful last summer…thick and green. I feel that the lawn maintenance people we have mowing our lawn did not keep the lawn cut low enough. It always seemed too high. They just started cutting...

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Horticultural Oil – Mix with Lime Sulfur

Q: I need to know why the product label says not to mix horticultural oil and liquid lime-sulfur to spray on plants. I take care of a big rose garden and I know fellow horticulturists who do this all the...

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Ligustrum (Privet) – Leaf Spot

Q: I have a hedge of two year old wax leaf privet in front of my house. It appears they have some sort of fungus or disease. The house faces due east, therefore receives about half a day’s worth of...

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Austree (Aus-Tree)

Q: Have you ever heard of Aus-trees? They are a hybrid and are supposed to be super fast-growing and good for shade and windbreaks. Will they do well here in Georgia? A: The Austree is heavily promoted through the mail...

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Mimosa – Growing

Q: I think I’ve heard you say that mimosa trees get a disease that kills them before they grow large. I’ve seen a huge one near Lenox Park. Will it die? A: It is true that mimosa trees die after...

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Bermudagrass – Spring Dead Spot

Q: Our lawn is three years old and most likely infected with Spring Dead spot disease. We have bermudagrass sod in our front yard and have numerous brown spots which seem to be worsening now in late May.   We...

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Fire Blight – In Pear

Q: I have a 50+ year old pear tree that suddenly has shown signs of distress. After blooming and developing some fruit, the tips of some branches began to turn brown. It looks a little like freeze damage. The problem...

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Daylily Rust

Q: I collect daylilies and my ‘Pandora’s Box’ and ‘TC Red’, do not seem to be doing too well this year. Is this daylily rust and, if so, is it curable? A: Daylily rust is a relatively new disease but...

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Snakes – Attracting

Q: I just found out that I have rats in my crawlspace, which I’m having trapped by an expert. I also have a gazillion chipmunks. They are soooo cute, but I worry there are too many and I may start...

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Raspberry – Virus

Q: What is wrong with my ‘Heritage’ raspberries? About 25% are healthy green but the rest look like this. A: It sure looks like raspberry virus. Raspberries and blackberries are susceptible to several virus diseases, including raspberry mosaic, raspberry leaf...

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Dying Tree – Root Damage

Q: Can you tell me what is happening to my tree? Can I save it? A: Great pictures – they give me a lot of information. First, looking at the whole tree, I see the limbs are thinly foliaged and...

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Imidacloprid – Risks to Beneficial Insects

Q: I began treating my shrubs and woody plants with a systemic insecticide last year. Its active ingredient is imidacloprid. Despite its effectiveness, I’m wondering if a systemic insecticide in a plant’s system can be harmful to desirable insects that...

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Pine – Fusiform Rust

Q: My wife noticed this on one of our pine trees. Do you have any idea what it is and how to treat it? A: The knots and orange powder are signs of fusiform rust disease. The orange spores will...

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Fescue – Finding Best Variety

Q: A few years ago, I planted a low growing grass seed called Millennium that did very well in the shady areas of my lawn. I need to over seed some areas and have not been able to find the...

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Azalea and Rhododendron – Root Rot (Wilting)

Q: I moved into my house in an older neighborhood in 1996. One of the selling factors was that I had seen large azaleas blooming there the previous spring. Since I moved in, though, one by one my azaleas are...

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Seed – Organic Sources

Q: Can you tell me whether or not most of the vegetable seeds sold in stores are genetically modified? I would prefer to grow “natural” vegetables (ones that are still close to their original breed) instead of the new modified...

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Growing Fruits – For Beginner

Q: I’m trying to find out about growing fruit trees such as peaches and plums. I have no experience with either. Can you give me any help or any links that may be able to help me? A: I strongly...

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Fungus in the Ground – Diagnosing

Q: I have an area in my yard where everything I plant there does terribly. I think it is a fungus in the ground. My lilac tree has white-like curled up leaves, the summer phlox turns yellow at the bottom,...

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