Willow Clones Differ in Susceptibility to Cottonwood Leaf Beetle


Amount of defoliation by the cottonwood leaf beetle one-year-old trees from 37 clones of black willow ranged from 21 to 95 percent. Male clones of black willow were damaged significantly more than female clones. Two clones of Salix babylonica X S. alba and three of sandbar willow were very lightly attacked. The only clone of SalixX argentinensis was 52 percent defoliated.
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Publication 11th Southern Forest Tree Improvement Conference Proceedings
Event Atlanta, GA - 1971
Author W.K. Randall
Published 1971/06/16
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