INDEX. 



297 



PAO. 

 Corn, Stewart's bacterial disease continued. 



fungicides 93, 146 



geographical distribution 89, 93, 146 



germicides 93, 146 



germination of treated seed best i 27 



history 147 



host-plants 89 



hot-water treatment of seed 146 



husks, 



anatomy of 1 19, 120 



bacterial pockets in 103 



spots and patches on .121 



hyperplasias absent in 131 



infected seed, 



dissemination through 1 14, 127 



experimental plantings of 115, 121, i-vs. 128 



treatment of 146 



treatment with formalin 128 



treatment with hydrogen peroxide 128 



treatment with mercuric chloride 125, 127, 128 



infection, 



accidental, manner of occurrence 1 12, 124 



course of 90, 102 



from base upward 96, 1 25 



from top downward . 113 



insects, not due to 93, 94 



means of. Stewart's theory 93 



most serious in seedling stage. ... no, 113, 125, 129 



slow to appear 127, 128 



through seed 1 14, 1 27 



through water-pores 94 



time of 89 



inoculations 96 



(See Bact. stewarti.) 

 inoculations, 



Stewart's 91, 92 



result of late 113, 129 



isolation of Bact. stewarti, attempted from infected 



kernels 124 



by direct transfer from diseased stems 96 



kernels, 



bacterial contamination of surface 114 



penetrated by the bacteria 114, 131 



leaf-tips, bacteria found in 95 



leaves, effect on 89, 90 



lesions produced 130 



literature : '47 



local signs, how soon visible 97 



losses, pecuniary 146 



male inflorescence, premature development .... 89 



male inflorescence, whitening of 89, 94 



mercuric chloride, effect on infected seed. . . . 125, 127 



method of obtaining pure cultures from 96 



moist soil, effect of 122, 123, 124 



morbid anatomy 13 



nature of, markedly vascular 3' 



nodes, brown stain in 90, 100, 102 



organism causing, description of 132 



(See also Bact. stewarti.) 



organisms other than Bact. stewarti (on kernels) . . 125 



parenchyma, bacteria in 9' 



parts of plant attacked . 131 



polar flagellate bacterium, cause of 91 



pop-corn, experiments 93, 1 1 2 



premature development of male inflorescence . 19, 89 



preventive measures 145 



pure cultures from 96 



resistant varieties 117 



root-pressure ceases with frosting of leaves 89 



roots, effect on not conspicuous 90, 95, 105 



seed, infected, dissemination through 114, 127 



seed, treatment 146 



shoots, production 131 



signs of disease 89, 94 



slow growth, hinders development of disease no, 



in, 127, 128 



Corn, Stewart's bacterial disease continued. 



soil conditions, effect 123, 124 



specific nature* of organism causing 125 



sprouting of basal buds 90 



staining of tissues 89, 90, 95 



stem, effect on 89 



Stewart's studies, 



browning of tissues 90 



discovery of Bact. stewarti , 91 



field observations 91 



geographical distribution **9, 93 



inoculations 93 



means of infection 93 



susceptible varieties 1 18 



weather conditions, effect 94 



stomata, bacterial ooze through 119, 120, 132 



susceptible varieties 89, 94, 1 18 



susceptibility, effect of slow growth no, 127, 128 



time between infection and appearance of 90, 



109, 127, 128 



tissues attacked 89, 90, 91 , 93 



toxine, not conspicuous in 130 



treatment 93, 145 



trial plots, results on 117 



imeveness of fields attacked by 91 



varietal resistance, question of 117, 124 



varieties resistant to 1 18 



vascular infection, generalized 102, 106 



vascular system, bacterial occupation of 89, 90, 



91.93.94. 130 

 viscidity of slime in .... . 126, 127 



water-pores, infection through 04 



weather conditions, effect of 94, 124 



whitening of male inflorescence 89, 94, 113, 1 15 



yellow bundles 95 



yellow OO7.C 90, 94 



variability in color of 94, 95 



Corynebacterium piriforme associated with Bact. 



solanacearum in Sumatra 259 



Councilman, blight of young rose shoots 154 



Cozart, tobacco-wilt, losses 237 



Crossonini, indol reaction with paradimethylamido- 



benzaldehyd 249 



Cucurbit wilt, vascular nature of 191 



Dactylis glomerata, bacteriosis of 155 



(See Orchard grass. Kut hay's disease of.) 



Debray, Bacillus sacchari 76 



De Jong, peanut-wilt, 



flooding infected fields for 371 



planting, selected seed for 271 



Delacroix, 



Bacillus aeruginosus 266 



Bacillus caulivonis 175 



B. putrifaciens putridus 766 



B. solanincola 175, 215 



B. tabaciyorus 266 



French disease of potato 214 



Tobacco. Fusarium disease 228 



wilt-diseases 266, 270 



de Laharpe, French potato disease 215 



Deli tobacco organism 



[See Bact. solanacearum (Sumatran tobacco-wilt 

 organism.)] 



Dewar, tobacco-wilt, South Africa .268 



Diem, Deli tobacco, variations 261 



Diplococcus enteritis, Gram's stain, reaction to 247 



Doryphora lo-lineata, distribution of brown-rot of 



Solanacene by 1 80 



Dranert, studies on bacterial disease of sugar-cane . 3, 70 



Drost. South American banana diseases 173 



Dutch disease of wallflower 277 



Dutch East Indian disease of tobacco 220 



(See Bacterium solanacearum (Sumatran tobacco-wilt 

 organism); Tobacco, wilt-diseases, Dutch East 

 Indian disease: Tobacco, wilt-diseases. Honing's 

 Sumatran Studies.) 



