ABSTRACTS OF PUBLICATIONS OF THE UNITED STATES DEl'AllTMENT OF 



SECTION OF VEGETABLE PATHOLOGY. 



BULLETIN No. U. 



Report of expeeiments made in 1889 in the treatment of the 

 FUNGOUS diseases OF PLANTS (pp. 119, illustrated). — This embraces 

 the reports of special agents of the section who conducted experiments 

 in New Jersey, Virginia, South Carolina, Mississippi, Missouri, Michi- 

 gan and Wisconsin. The diseases treated were : (1) of the apple, scab 

 {Fusidadium dendriticiim [Wallr.], Fuckl.), rust {Bwstelia piraia, Thax.), 

 bitter rot {Gloeosporium versicolor, Berk.) ; of the grape, powdery mildew 

 {Podospluvra oxyacanth(v, DBy.), downy mildew [Peronospora viticola, 

 DBy.), leaf blight {Gercospora viticola, Thiim.), anthracnose {Gloeospor- 

 ium ampelinum, Sacc), black rot {Lwstadia Bidtcellii [Sacc], V. & R.), 

 powdery mildew ( Uncinula ampelopsidis, Pk.) ; (2) of the pear, leaf blight 

 [Entomosporium maculatum, L6v.) ; of the quince, leaf blight {Entomos- 

 porium maculatum, L6v.), rust, {Ecmtelia aurantiaca, Pk.), blight, {Micro- 

 coccus amylovorus, Burrill); of the peach, rust {Puccinia pruni-spinoscv, 

 Pers.); of the plum, rust [Puccinia pruni-spinosce, Pers.) ; of the straw- 

 berry, leaf blight {SpJucrella fragaricc, Tul.) ; of the blackberry, rust 

 {Gwoma nitens, Schw.), leaf blight {Septoria rubi, Westd.); of the potato, 

 rot {Phytophthora infestans, DBy.) ; of the tomato, rot {Macrosporium 

 solani, Rav., and Fusariumsolani, Mart.), blight [Gladosporium fulvum, 

 Cke.) ; of the melon, blight [Septoria). The bulletin also contains a 

 summary of reports from a number of grape growers in difltereut parts 

 of the country who treated their vines for mildew, anthracnose, and rot ; 

 abstracts of reports of experiments in the treatment of black rot and 

 mildew in France and Italy in 1889 ; and a short review of a recent 

 paper by B. Fallot, of the School of Agriculture at Montpellier, France, 

 on the amount of copper in wines made from grai^es treated with copper 

 compounds. 



QUAKTERLY BULLETIN, MARCH, 1890. 



Journal of Mycology, Vol. VI, No. 1 (pp. 44).— This contains a 

 translation of a paper by Dr. Oskar Brefeld on recent investigations of 

 smut fungi and smut diseases ; articles on the effects of blue vitriol and 

 copperas on the vitality of seeds of corn and wheat ; treatment of black 

 rot, brown rot, downy mildew, powdery mildew, anthracnose of the 

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