The First Occurrence of Zonate Leaf Spot of Tea in Shizuoka Prefecture
1978 Volume 1978 Issue 48 Pages 77-78
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1978 Volume 1978 Issue 48 Pages 77-78
Zonate leaf spot of tea was a new disease that Nonaka named recently. The disease occurred only in Kagoshima prefecture before now. However, in May to June, 1976, the disease was confirmed in the tea field at Kakegawa city in Shizuoka prefecture. Under this circumstances it was assumed that the occurrence of the disease was caused by some weeds infected with the fungus, spread to mulch in tea field.
