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sickened weeping willow
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Posted: Aug/24/2008 12:33 PM PST
I have had my weeping willow for four years and the end of summer of last year and the leaves on it started to turn yellow (was way too early for fall). I noticed on the base of it, the bark was cracking something awful, it looked like it had been struck by lightning. It was so beautiful, lush, green and look very hardy and seemingly doing wonderful. With further investigating and really looking up all the literature I could, to my demise, the tree had canker. The only thing is, didnt explain what the heck canker is. Does anyone know how a tree develops canker, or how it can be avoided? This is my first time on here so if i rambled on im sorry. Thanks to anyone who can help me figure it out. 
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Posted: Aug/24/2008 1:56 PM PST
http://edis.ifas.ufl.edu/ST576 Read the disease section: "Willow scab attacks and kills young leaves within a very short time. The fungus enters twigs, kills back the young shoots and causes cankers. Olive green spore masses can be seen along the veins on the undersides of leaves. Another fungus, Physalospora miyabeana, attacks willow and the two fungi in combination cause willow blight. Prune out infected branches and use resistant species. Black canker causes dark brown spots on the leaves. Whitish gray lesions with black borders appear on the twigs and stems. Prune out infected branches and use resistant species. Weeping willow appears to be resistant. Many fungi cause cankers on willow and infected branches are pruned out. If the trunk is infected and girdled, the tree will die. Keep trees healthy by regular fertilization." |
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Posted: Aug/25/2008 6:28 AM PST
I really appreciate the information u gave, very helpful. It is inevitable, the tree must be taken down unfortunately. I do have another question tho. Once I take down the tree, can I put another willow in its place? Where it is located at is a moist area and gets the desired sunlight. |
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Posted: Aug/26/2008 8:08 AM PST
Not sure if the spores of the fungi live in the soil- you may want to treat the soil with a fungicide before planting a resistant type of willow. So sorry you lost the tree 
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Posted: Sep/22/2008 5:37 AM PST
Good thinking, wow on the information I was given. Ya'll rock!! woohooo |
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