3. Krankheiten einzelner Pflanzen und Pflanzengruppen. 523 



30185 Aiionym. Some potato diseases. 



30186 — Warty disease in potatoes. 



30190 — Black scab of potatoes (Chrysophlyctis). 



30195 — Chrysophlyctis endobiotica. 



30197 — Corky scab of potatoes (Spongospora scabies). 



30199 — Wart disease (Biack scab) of Potatoes. 



30201 — W^arty disease of potatoes. 



30204 — Black scab on Potatoes. 



30206 — Bhxck scab in Potatoes. 



30234 — Kartoffelziichtung und Kartoffelkrankheiten. 



30236 — Auftreten der BlattroUkrankheit an Kartoffeln. 



30245 — Varieties of scabs in Potatoes (Chrysophlyctis, Oospora, 



Spongospora). 

 30247 — Dry scab of potatoes. 

 30250 — Notes on some potato diseases. 

 30254 — Potato blight in Ireland. 



30260 a — Black scab or warty disease of the potato. 

 30261 a — Diseases of the potato plants in Natal. 



30272 — Irish blight. 



30273 — Potato bacteriosis. 



30273 a — Potato blight precautions. 



30274 — Potato blight and spraying. 



30274 a — Potato disease (Phytophthora infestans). 



30280 — Pflanzenkrankheiten. Kartoffelkrankheiten. Blattrollen. 



30292 — Bacteriosis of potatoes. 



30297 — Wart disease of potatoes. 



30301 a — Spongospora scabies. 



30302 — Potato bacteriosis. 



30308 — Potatoes resistant to wart disease. 



30314 — Corky scab of Potatoes (Spongospora scabies). 



30321 — The Nilgiri Potato disease. 



539 — (A. D.). The Potato Fungus. 



540 — (A. D.). The potato disease. 



541 — (A. D.). Mr. Smith's Fungus Experiment. 



542 — (A. D.). The Potato disease. 

 30341 — (A. D.). Warty potato disease. 



554 — (A. W. B.). Potato disease in Ireland. 



