3. Kiaiikhoiteii einzeliier Pt'l;inzeii uimI Pl'lan>engruppen. 343 



^OoOO Wi'i(i J. E. Bekampfimg der Ob.stbaumkrankheiten. 



40500 Whitteii J. C. Spraying orchards. 



2(S(Sl< Widnier B. Erkrankungen der Obstgewachse. 



28839 Wi^ht R. A. Root fungus of New Zealand. 



28848 (40579) Wilcox E. M. Rhizomorphic root-rot of fruit trees. 



40580 — u. Morris 0. M. A root rot of fruit trees. 



40()72 W^olf F. A. Prevalence of parasitic and saprophytic fungi in 



orchards. 



40699 Woodworth (". W. Root knots on fruit trees. 



40733 Wiilff T. Kraftsjukdomen och gummiflodet hos vara frukt- 

 trad. 



B. Kernobst (Pirus, Cydon'a). 



44 Anonyni. Fungi on apples. 



113 — Rost des Birnbaums. 



313 — Gloeosporium frnctigenum der Apfel. 



394 — Gloeosporium fructigenum (Pirus). 



420 — Spraying pear and apple orchards. 



457 — La ticchiolatura del pero. 



531 — Fusicladium dendriticum and F. pirinum. 



29808 — Apple scab (Fusicladium dendriticum). 



29(846 — Apple scab. 



29854 — Pear blight. 



29S(}0 — Pear leaf-blight. 



29875 — Spraying pear and apple. 



29883 — Apple canker. 



29930 — Cracking of pears aud apples. 



29941 — Canker of apple trees. 



29950 a — Bekampfung des Fusicladium der Obstbaume. 



299S3 — The canker fungus: Nectria ditissima. 



29991 — Pilzkrankheit der Quitte (Sclerotinia cydoniae). 



30001 — Brown-rot of fruit (Sclerotinia fructigena). 



3001 (j — Spraying for bitter rot. 



30111 — Pear leaf blight. 



30112 — Pear blight. 



30147 — Apple tree miklew (Sphaerotheca Mali). 



301S0 — Pestalozzia Cydoniae. 



30342 — (A. D. ('.). Bitter pit of apples. 



