A NEW BROWN-SPOT DISEASE OF THE LEAF 



OF GLYCINE HISPIDA MAXIM. 



CAUSED BY SEPTORIA GLYCINES sp. n. 



By 

 Takewo Hemm I, Nögakushi. 



^m± ii a K m 



Glycine hispida Maxim, or soy bean is one of the most important legu- 

 minous crops in the Far East. In Hokkaido it is most extensively cultivated, as 

 the climate is well suited for its production. There are many destructive diseases, 

 which attack the soy bean in our country and of which the in\'estigations have 

 already been done to a greater or less extent. But we have not yet heard of a 

 destructive Septoriose on this important crop in our country. The only species 

 of Septoria, which has been recorded as a causal fiuigus of a leaf-spot disease of 

 the soy bean plant in mycological and pathological literatures, is Septoria SOJina 

 Thüm. *) 



It was in the early summer of the last year that my attention was first drawn 

 to a diseased appearance of the leaves of this plant in the experimental plots of 

 our college and in the adjoining fields. The microscopical examination showed 

 at once that it was due to a kind of Septoriose. My interest was naturally arous- 

 ed leading me to inquire into the extent of the damage done in other bean fields 

 about Sapporo, and I was impressetl with the fact, that the loss due to the disease 



'^) Von Thiimen: Symbolae ad Floram mycologicam austriacain. Ill p. 63 (1879). 

 P. Saccardo: Sylloge Fungorum, Vol. Ill p. 509 (1SS4). 

 P. Allescher, in Rabenhorst's Kryptogamen Flora II. Aufl. Die Pilze VI. Abt. Fungi Iniperfecti. s. 



858. (1901;. 

 ffi H 9r, H 2[c a 1% KH a ^ P- 655 (1909-191O 

 G. Briosi : Rassegna crittogamica dell'anno 1911. con notizie sulle malattie dei meliloti, dei latiri, del 



fieno greco, del trifoglio giallo, ecc. dovute a parassiti vegetali. In Bolletino ufficiale del 



Ministero di Agricolt., Ind. e Comm.; an. XI., fasc. 4-6; Roma, (1912). Ref. in Zeitschrift 



für Pflanzenkrankheiten, XXIII. s. 201. (1913). 



