Scleroderris Canker of Todo-Fir in Hokkaido,Northern Japan |
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Authors: | S Yokota T Uozumi S Matsuzaki |
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Abstract: | Disease development and severity of Scleroderris canker of Todo-fir in Hokkaido vary according to forest type. Todo-fir under a canopy of deciduous species are almost free from canker, whereas in the open they are severely attacked. The situations are described with relation to environmental conditions associated with canker development. |
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