448 EXPEKIMEKT STATION RECORD. 



The use of vegetation for reclaiming tidal lands, G. O. Case (London, 

 191S, pp. 36, figs. 9; Engineering [London^, 96 (1913), Nos. 2486, pp. 264, 265; 

 2489, pp. 344-347, 349, figs. 9). — ^An account of the utilization of various plants 

 and trees in the reclamation of tidal lands in different countries. 



DISEASES OF PLANTS. 



Report of phytopathological observations, 1911 and 1912, E. Maechal 

 (Min. Agr. et Trav. Pul). [Belgium}, Off. Rural Raps, et Communs., 1913, Tslo. 7, 

 pp. 71-85, figs. 2; Ann. Sta. Agron. Etat. GemUoux, 2 (1913), pp. 367-383, figs. 

 2), — Brief notes are given of observations relating to Urocystis occulta, Puc- 

 cinia glumarum, and P. graminis on grain plants; Septoria petroselini apii on 

 celery; a threatening extension of Exodasidium azalece near Ghent; a rust of 

 currant, possibly due to a form of P. caricis; a pear tree rust not named, also 

 S. piricola on pears; leaf scald of grape; Ustilago hordei on winter barley; 

 PhytopJithora infestans, Macrosporium solani, and Chrysophlyctis endoUotica 

 on potatoes (the last named being treated at some length) ; a lettuce fungus, 

 possibly a form of JEcidium lactucce sativa?; an oidium on currants ; Lophoder- 

 miiim hracliysporum on pine needles; and a threatening leaf spot disease of 

 Aspidistra, provisionally accredited to Pyrenochwta tergevini. 



Report on plant diseases, R. Schandee et aj.. (Mitt. Kaiser Wilhelms Inst. 

 Landw. Bromherg, 6 (1912), No. 1, pp. 42-58). — The author presents notes by 

 himself and associates regarding investigations carried on in plant chemistry, 

 morphology, physiology, and pathology, the last named relating to Fusarium 

 nivale on winter wheat, loose smut of barley and wheat, leaf spot of wheat 

 associated with nematode attack, the physiology of Phoma l)etw, and several 

 potato fungi. 



Report on plant protection of the experiment station for agricultural 

 chemistry at Gbrz, 1912, J. Bolle (Ztschr. Landio. Yersuclisw. Osterr., 16 

 (1913), No. 4, pp. 299-303).— It is stated that the wet summer and fall of the 

 previous year resulted in an observed greater prevalence of fungus diseases. 

 Spraying the under side of grape leaves for Peronospora did not seem to give 

 any decided advantage over the ordinary method. Forhin, a mixture giving off 

 ammonia fumes, said to have been recommended from Germany for Peronospora, 

 spotted the leaves without checking the fungus. Exoascus deformans, appear- 

 ing very early on peach leaves, was treated with a spray containing 1 per cent 

 copper sulphate, 0.5 quicklime, and 0.5 ammonium chlorid. The leaves were 

 killed, but the new leaves which appeared were free from peach curl late in 

 summer. The treatment is to be modified and extended to other stone fruits. 



A brief report is given also on insect injuries observed. 



Root nematodes, A. Vutllet (Rev. Phytopath., 1 (1913), No. 2, pp. 17-19, 

 figs. 3; aU. in Riv. Patol. Veg., 6 (1913), No. 6, pp. 187-189).— A brief discussion 

 of the characteristics, distribution, biology, and economic importance of Hete- 

 rodera radidcola in relation to crops is given. The author recommends, as pro- 

 tection therefrom, the employment of 240 gm. carbon bisulphid p«r square meter 

 of soil, repeated after an interval of 15 days. 



Notes on a cereal disease, V. W. Pastor (Memoria 6 Instrucciones para 

 com'batir la plaga de los cereales de Olot, conocida con el nomlyre de " Boixat." 

 Oerona, Spain: Cons. Prov. Fomento, 1913, pp. 7). — ^A nematode attacking 

 wheat and rye, but not barley, in the vicinity of Olot in northeast Spain, is 

 thought to be Tylenchus devastatrix. This is said to cause loss also by attack- 

 ing onions, beans, and hyacinths in this region. 



