302 



INDEX. 



PAGE. 



Solanaceae, brown rot continued. 

 New South Wales, potato diseases. Helms' obser- 

 vations 207 



New Zealand disease of potato. Kirk's observations 207 



Odium's observations on disease of potato "214 



parts of plant attacked, 



egg-plant 176 



potato 176, 177 



tomato 176 



pecuniary losses 202 



pepper-blight 1 74 



comparison of pepper, tobacco and peanut-wilt 



organisms 271 



inoculations, 



Dutch East Indian tomato-wilt organism 



on pepper 209 



Japanese tobacco-wilt organism on pepper . . 243 

 North American tobacco-wilt organism 



on pepper 235 



pepper- wilt organism on peanut 271 



potato and tomato-wilt organism on pepper. 183 

 Sumatran tobacco-wilt organism on pepper 246, 253 



period of incubation 179, 180 



exceptionally long 179 



very short 282 



Fetch's observations on disease of tomato 214 



pith, effect on 176, 192 



plants subject to 1 74 



(See also Peanut-wilt, and Tobacco, wilt-diseases.) 



Porto Rico, occurrence in 175 



potato-tubers, 



effect on 177 



internal brown rot of 177, 191 



mixed infection in 177, 191 



signs of disease in 177 



tissues attacked 177, 191 



production of, effect on 177 



rains, favorable to 182 



resistant Splanum 182 



result of disease, potato 177 



ring disease of potato in Germany 166, 215 



Appel's observations 166, 215 



bacteria isolated from 166, 216 



cultural characteristics 166 



dissimilarity to Spieckermann's German potato 



disease 167 



infected seed tubers, use of 166 



infected tubers from apparently sound plants. . 166 



infection, manner of 166, 216 



Kreitz's observations 215 



Pseudomonas sp. isolated 166 



signs of disease 166, 215 



vascular ring, browning of :66, 215 



ring disease of potato, Mysore 212 



Coleman's studies 212 



geographical distribution 212 



infection, 



manner of 213 



non-relation of insects to 213 



inoculations on 



brinjals (egg-plant) 213 



potato 213 



tomatoes 213 



signs of disease 212 



treatment 213 



Rolfs' observations 205 



root-infection, 



tobacco 181 



tomatoes 181 



roots, 



developed on stems in 178 



wounding necessary for infection 181 



rotation of crops advised 201 



Russian disease of potato, Iwanoff's observations. 214 



secondary signs 179 



"seed" potatoes, treatment of 201 



PACK. 



Solanaceae, brown rot continued. 



Selby's observations 205 



selection of "seed" potatoes 201 



sesamum bacteriosis 216 



Austria 218 



Bulgaria, 



cultural characteristics of organisms 216 



dissemination of t 216 



inoculations 2 16, 2 1 8 



isolation of bacteria 216 



Malkoff's observations 216 



signs of disease 216 



varieties attacked 216 



India 218 



Sumatra, Honing's observations 218 



shriveling of stems 175 



signs of disease 174, 175,209 



potato tubers 174, 177 



sleepy disease of tomato, signs resemble 175 



Smith, early studies of 205 



Spieckermann's potato disease, not related to .... 167 

 starch, removed from infected tissues (fig. 83) . 176, 192 



stem showing incipient roots (fig. 98) 190 



stems, brown streaks in 180 



Stevens' observations 206 



stomata, infection through, doubtful 182 



storage of potatoes at low temperatures advised . . 202 

 susceptibility, 



individual differences in 180 



varietal differences in 1 80 



temperature, effect on 179, 182 



thickening of inoculated stems 178, 191 



time of attack, effect, on potato 177, 178 



tissues attacked 175, 176, 191, 192, 199 



tobacco-wilt diseases, probable identity 220, 244 



transplanting, care in 201, 202 



treatment 201, 211 



Tryon, on disease of potato and tomato 207 



tubers, potato, 



infected by way of rhizome 177 



vascular ring first attacked in 177 



tyloses 209 



underground infections in 181 



vascular ring, browning of 174, 177, 209 



vascular tissue, excessive 191 



vessels occupied by bacteria 174, 175, 191, 209 



viscidity, not characteristic of 197 



Voglino's observations on disease of tomato 215 



water-rich tissues more subject to . . 174, 178, 179, 282 



wilting 174, 175 



yellowing of foliage 174,175 



young plants specially sensitive to 174 



Solanum mammosum, subject to Apl. michiganense . 1 63 



Soltwedel, Sereh 73, 74. 75, 78 



Sorauer, sugar-beet disease in Germany 154 



South African disease of tobacco 268 



(See Tobacco, wilt-diseases, South African disease.) 

 Spegazzini, Polvillo, 



geographical distribution 3 



observations 85 



Spieckermann's Qerman potato disease 166 



(See potato, Spieckermann's German disease.) 

 Sporidesmium, Rathay's disease of orchard grass. . . 155 



Stem-rot of tobacco 239 



(See Bacillus nicotianac, Uyeda; Tobacco, wilt- 

 diseases, Japanese disease.) 

 Stevens, 



brown rot of Solanaceae 204, 206 



cited 220 



tobacco-wilt, losses 237 



North Carolina 227 



Stewart, observations on bacterial disease of sweet corn. 

 (See Corn, Stewart's bacterial disease of.) 



Stewart's disease of sweet corn 89 



(See Corn, Stewart's bacterial disease and Bact. 

 Stewart!.) 



