June, 1920] PATHOLOCV 377 



was found in Mecklenburg. — Tomato leaf blight (Septoria lycopersici) was controlled experi- 

 mentally with perocid but Bordeaux mixture is preferable. — [Through abstract by O. Kfirch- 

 ner] in Zeitschr. Pflanzenkr. 29: 104-105. 1919.]— I). Reddic) . 



2578. Bhick, C. Die Schwarzfleckenkrankheit der Tomatenfriichte durch Phoma de- 

 destructiva Plowr. [Black-spot disease of tomato fruits caused by Phoma destructiva.] Zeit- 

 schr. Pflanzenkr. 29: 20-26. 1 fig. 1919.— Author records the appearance of this disease on 

 tomato fruits in the Vierlanden region near Hamburg, Germany. Fruits dropped before 

 maturity, showing a circular, increasing, black spot, of from 3 cm. diameter and more around 

 the fruit stem. Spots may appear on other parts of the fruit. Numerous pyenidia were 

 present, which were identified eventually as Phoma destructiva. Discusses presence and na- 

 ture of numerous other fungi observed in association with Phoma by himself and others. 

 Recommends destruction of all infected fruits, and rotation. — II. T. Gilssow. 



2579. Briosi, G., and R. Farneti. La moria dei castagni (mal dell' inchiostro). [Black 

 canker of chestnut.] Atti Inst. Bot. Univ. Pavia 2, 15: 43-51. 2 fig. 1918. — Controversial. 

 — Comparisons are made to show why Melanconis modonia should be considered distinct from 

 M. perniciosa, Coryneum perniciosum and Fusicoccum perniciosum . — F. M. Blodgett. 



2580. Brodrick, F. W. A new disease in parsnips. Agric. Gaz. Canada 6: 461-462. 

 1919. — Parsnip canker has been found in Manitoba. It is not transferred by means of soil or 

 of diseased tissue spread over the soil. The disease is thought to be the same as that de- 

 scribed by Cotton [See Bot. Absts. 3, Entry 395.] a review of whose paper is included. — D. 

 Reddick. 



2581. Brown, H. B. Cotton experiments 1918. Mississippi Agric. Exp. Sta. Bull. 186. 

 SI p., S fig. 1919. 



2582. Bruner, Esteban C. La enfermedad del "mosaico" o de "rayas amarillas" de la 

 cafia de azucar en Cuba. [Mosaic of sugar-cane in Cuba.] Revist. Agric. Com. y Trab. 2: 

 437-441. 2 fig. 1919. — The presence of the mosaic of sugar cane is reported in several centrals 

 in Cuba where it seems probable it was introduced in experimental plantings. A review is 

 presented of the previous experiments with this disease. — F. M. Blodgett. 



2583. Bruner, Stephen. La "Phomopsis" de la berengena. [Phomopsis of the eggplant.] 

 Revista Agric. [Mexico] 4: 31-32. 1 fig. 1919— See Bot, Absts. 2, Entry 757. 



2584. Burroughs, G. D. Sweet potato storage houses in North Carolina. Potato Mag. 

 2«:S-9. 2 fig. 1919. 



2585. Cadoret, A. La lutte contre le mildiou en 1918. [Grape downy mildew control 

 during 1918.] Prog. Agric. Vitic. 69: 392-393. 1918. 



2586. Calvino, Mario. Informe del director. [Report of the Director.] Informe An. 

 Estac. Exp. Agron. [Cuba] 1917-1918 : 1-439. 1919.— Plants under trial were attacked by fun- 

 gous diseases as follows, Sphacelotheca sorghi and Puccinia purpurea on sorghum, Piricularia 

 grisea on rice, Sclerotium rolfsii on Helianthus tuberosus, Phytophthora terrestria on roselle 

 (Hibiscus sabdariffa), Cercospora beticola on Beta cycla, Uredo arachidis and Cercospora 

 personata on peanut, Cercospora sesami on Sesamum, Pucciniop&is caricae, Gloeosporium sp. 

 and Rhizoctonia solani on Carica papaya. [See Bot. Absts. 4 Entries 45, 497.] — John A. 

 Stevenson. 



2587. Cambpell, J. A. Control of brown rot. Jour. Agric. [New Zealand] 16: 221-222. 

 1918. — Brief outline of experiments in progress. Brown rot of stone fruits has been unusually 

 severe on account of wet seasons. Repressive measures have not been effective. — D. Reddick. 



2588. Canio, R. Pseudo-tuberculose clinique et experimentale a Penicillium glaucum. 

 [Clinical and experimental pseudo-tuberculosis due to P. glaucum.] Jour. Meti. Bordeaux, 

 June, 1918. 



