274 P- Sydow: Pilze (ohne die Schizomyceten und Flechten). [188 



1457. Oammon, E. A. Pear blight control. (Mo. Bull. Com. Hort. 

 California, I, 1912, p. 37—41, 3 fig.) 



1458. Gastilie, G. Sur l'emploi des saponinespour lepreparation 

 des emulsions insecticides et des liqueurs de traitements insecti. 

 cides et anticryptogamiques. (Le Progres agric. et vitic, XXXJIT, Mont- 

 pellier 1912, p. 427—429.) 



1459. Giddiugs, N. J. Apple rust. (Farm and Orchard, I, 1911, No. 12, 

 V. 3-5, 3 fig.) 



1460. Giddings, N. J. Plant diseases of 1909— 1910. (West Virginia 

 Agric. E.xper. Stat. Rept. San Jose Scale etc., 1909/10, p. 49—52.) 



Pilzkrankheiten an Äpfeln, Kirschen, Wein, Birnen, Pflaumen, Kar- 

 toffeln usw. 



1461. Giddings, N. J. Potato spraying in 1909 and 1910. (West 

 Virginia Agric. Exper. Stat. ßept. San Jose Scale etc., 1909/10, p. 18 — 22, 

 6 figures.) 



1462. Goverts, Willi. J. Die wichtigsten Feinde der Spargel- 

 pflanze und deren Bekämpfung. (Gartenflora, LXI, 1912, p. 253 — 255.) 



1463. Granderye, L. M. Comment deceler les compos^s arseni- 

 caux des produits cryptogamiques et insecticides. (La Vie Agricole 

 et Rurale, No. 27, Paris 1912, p. 34.) 



1464. Green, E. Ernest. Report on disease of Paddy plants at 

 Agalawatte. ( Trop. Agricult., XXXIX, 1912, p. 195—196.) 



1465. Green. W. J., Selby, A. D. and Gossard, H. A. Calendar for the 

 treatment of plant diseases and insect pests. (Ohio Agric. Exper. 

 Stat. Bull. No. 232, 1912, p. 23-52, 3 fig.) 



1466. Grifiin, P. L. A bacterial gummosis of cherries. (Science, 

 N. S. XXXIV, 1911, p. 615—616.) 



Eine in Oregon auftretende Krankheit der Kirschbäume wird durch 

 Pseudomonas cerasi n. sp. verursacht. Auf den an Gummifluss leidenden Bäumen 

 treten gern Scliizophyllum commune, Polyporus- und Polystichcs- Avten auf. 



1467. Groenewege, J. De rotting der tomaten-vruchten, veroor- 

 zaakt door Phytohacter lycopersicum n. sp. (Med. R. H. L. T. en B. School 

 Wageningen, V, 1912, p. 217—289, 5 tab.) 



1468. Grossenbacher, J. G. Crown-rot fruit trees: Field studies. 

 (New York Agric. Exper. Stat. Techn. Bull. No. 23, 1912. 59 pp., 23 PI.) 



1469. Griider. Kranke Rosen. (Prakt. Ratgeber im Obst- u. Garten- 

 bau, XXVII, 1912, p. 323.) 



1470. Güssow, H, T. Apple blister carker and methods of treat- 

 ment. (Ohio Agric. Exper. Stat. Circ. No. 125, 1912, p. 149—151.) 



1471. Güssow, H. T. The nature of parasitic fungi and their in- 

 fluence upon the host plant. (Ottawa Natural., XXV, 1912, p. 130—137.) 



1472. Güssow, H. T. The nature of parasitii fungi. Their in- 

 fluence upon the host plant. (Gard. Chron., 3. ser., LI, 1912, p. 183, 

 215—216.) 



1473. Güssow, H. T. Report of the botanist on plant diseases in 

 1910. (Oanada Agric. Exper. Farms Rept., 1911, p. 239—240, 244—260, 4 tab.) 



Behandelt parasitische Pilze aus verschiedenen Familien. 



1474. Guignoii, J. Le genre Evonymus. Liste des especes europö- 

 ennes et exotiques (principales); leurs parasites: insectes et Cham- 

 pignons inferieurs. (La feuille des Jeunes Nat., XLI, 1911, p. 70 — 73.) 



