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Virus disease surveys of ware potato crops, Franklin County, North Island, New Zealand

R. Wood, J. Fletcher, S. Lewthwaite, 1996 .

Assessment of seed tuber, in‐furrow, and foliar chemical treatments for control of powdery scab (Spongospora subterranea f.sp. subterranea) of potato

A. R. Wallace, J. Fletcher, R. Falloon, 1996 .