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 Add this item to the list  474485 L
   
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Page number:1164 
Description type:Latin diagnosis 
Description:Phytophthora ramorum Werres, De Cock & Man in't Veld, sp. nov.
Coloniae in agaris fragmentis Dauci, V8 et farina maydis concoctis submersae, zonatae, in agaro cerasorum mycelio aerio compacto, lobis radiantibus. Hyphae primariae ad 8 µm latae. Chlamydosporae copiosae in agaro et in seminibus cannabis, intercalares vel terminales, raro laterales, (sub)globosae, 10-40(-53) µm diam. Sporangia copiosa in agaro et in seminibus cannabis, singula vel prolificatione sympodiali aggregata, terminalia vel post prolificationem lateralia, ellipsoidea, fusiformia vel elongata, ad basim rotundata vel raro angustata, indistincte papillata, 20-32x40-80 µm, in medio 52x24 µm, longitudo: latitude = 2-16, breviora in seminibus cannabis in SEA; caduca pedicello brevi, raro pedicello carentia. Zoosporae sub 20° formatae in aqua. Species heterothallica. Oogonia subglobosa, 28-38 µm diam, in medio 31x31,5 µm; paries laevis, hyalina, ad 2(-4) µm crassa. Antheridia singula, terminalia,, diclina, amphigyna, globosa vel cupata, 12-22 x 15-18 µm . Oosporae pleroticae. Temperaturae crescentiae: minima 2°, optima 20°, maxima 26°. Incrementum diurnum radiale 3 mm in agaro WA ad 20°.
Typus: Germany: Niedersachsen, isol. ex Rhododendron `Catawbiense Grandiflorum' in nursery, July 1995, S. Werres, BBA 9}95 (CBS 101553 - holotypus; BBA-isotypus).
 
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