Infection experiments with Septoria petroselini varapii causing late blight of celery . fs/t/mb e/^ o/ -^/^/t^ /^er_5j>.J7ec/77. ;J ?A) S^ <^,. ^f I Numi^r ^y- s^o^zs /^^ -tf- ^^ C/7? _ ta ^ VJSn

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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherithac, bookyear1915