Posts Tagged ‘disease’

Azalea and Camellia – Leaf Gall

Q: The leaves on the ends of some of my camellia branches are swollen and thicker than the rest of the leaves. They are also lighter green. I’ve seen this on azaleas but not on camellias. Is it the same...

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Plum – Black Knot

Q: Many of the limbs and branches on my plum and cherry trees have hard, scaley cases encircling them. I’ve tried to cut into them but it takes a strong knife. It’s almost like they’re part of the tree. What...

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Hammock – Hanging from Tree

Q: I want to hang a hammock between two sweetgum trees with trunks approximately twelve inches thick. If I put a screweye into the trunk, will it cause damage to the trees? A: Will it cause damage to the tree?...

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Powdery Mildew – Euonymus

Q: There are powdery spots all over the leaves of my euonymus. I believe this is called powdery mildew. If so, what can I do about it? A: The name of this disease exactly fits its description doesn’t it? Powdery...

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Liriope – Crown Rot

Q: I have many, many feet of liriope lining my driveway. A large section of it suddenly started turning yellow. When you gently pull on it, it breaks away easily and has a black area at the base where it...

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Daylily – Rust

Q: What can you tell me about the sad, ugly rust infecting our wonderful daylilies? A: This summary from the American Daylily Society gives detailed information. Note the fungicide info.: “daylily rust can be controlled under greenhouse conditions by fungicide...

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Rabbit – Control

Q: I have rabbits eating my pansies! I love animals but is there anyway to discourage the rabbits without harming them? A: Both rabbits and caterpillars can consume pansies in fall. To distinguish between the two, examine your pansy leaves....

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Magnolia – Algal Leaf Spot

Q: We have a number of magnolia trees in our yard. On some of them the leaves are heavily infested with circular brown spots, about a quarter of an inch in diameter. Any thoughts? A: It’s probably algal leaf spot....

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Leyland Cypress – Dying in Shade

Q: We have a row of Leyland Cypress that is starting to die off one at a time. They are about 10 years old and we have lost two on the left side of the row. I thought the first...

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Wood Rots

Q: I have a tree with several mushrooms growing out of the trunk and out of the roots. What causes this? A: UGA Disease Specialist Holly Thornton wrote an excellent overview of the topic. Read Wood Rots and see if...

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Pine – Pitch Canker Disease

Q: A giant oozing growth suddenly appeared on the side of my pine tree, about 5 feet off the ground. It’s a white bubbly thing, 6-8 inches across. Scary, scary stuff. A: You’re right – if I saw something like...

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Pet Droppings – Composting

Q: Is there anything I can do with dog poop? My Dad told me NOT to put it in my compost, but I have heard other opinions. A: Your Dad was right. Because dogs have lived with humans for thousands...

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Leyland Cypress – Branches Dying

Q: Three out of my twenty seven Leyland cypress’s are dead and most of the others have branches turning brown. Is there chemical that will stop this? A: This is a common situation during and after a drought. Leyland cypress...

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Hydrangea – Root Rot

Q: I planted ‘Snowflake’ oakleaf hydrangeas last December. They have done great this year. But about a week ago, I noticed that the leaves on two of the shrubs were wilting. I checked around the base and there was adequate...

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Pine – Brain Canker

Q: Please explain what might cause this. It looks as though the pine cone never fell off the tree but instead grew downward and sprouted new limbs. Is this normal? A: My forester friend Bill Blum says it looks like...

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Mowing Wet Lawn – Good or Bad

Q: Is it harmful or undesirable to mow grass when it is wet – like early in the morning when the dew is heavy? A: Turf expert Clint Waltz says “There is a lot of grass that is mowed in...

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Raspberry – Leaf Spot

Q: My Dorman Red raspberries appear to have some sort of disease. These spots started after fruiting in June and just about wiped out the fruiting canes. Now all the new leaves on the new canes are starting to get...

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Laundry Water – Not Harmful to Soil

Q: I’ve been using gray water from my washing machine on landscape plants. In my research I found that my plants prefer acid soil and that gray water has a higher pH. Can I add something to the graywater to...

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