Infection experiments with Septoria petroselini varapii causing late blight of celery . Numi>ey o/ ?^/^^^?^ /^^ -^^ ^^^^- u /0 ^0 30 ^a ^a d,^f /a S^ ^^ /^^ //^^. /^l//77^er- o/^ ^/^Zi /^^ ^y. /7&c/??^ \ bi V>i ^ TV s; ^^ 5^

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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherithac, bookyear1915