878 



EXPERIMENT STATION RECORD. 



Plant breeding— Continued. Page, 



experiments— coil t iinied . 



with corn, Nebr 444 



cotton 35,529 



U.S.D.A 37 



herbaceous plants 732 



CEnotliera 028 



oranges 340 



peas 528 



potatoes 325, 330, 020 



Conn. State 026 



sugar beets, S.Dale 535 



cane 536 



wheat 440, 730 



Wash 537 



new methods, U.S.D.A 0.38 



principles of heredity in, U.S.D.A 025 



relation to biology 377 



bud variation 528 



Plant bugs, notes, N.J 100 



cells, transfer of ions from 131 



chemistry, treatise 509 



diseases — 



bibliography 345 



by bacteria 743 



dissemination by seeds 543 



in the Tropics 743 



notes 356, 452, 742 



Ariz 53 



Cal \ 244 



prevalence in Saxony 741 



relation to weather 245 



studies, Mass 245 



treatise 344 



treatment 345, 647 



and bibliography, Nebr. 53 



tropical, notes 325 



{See also different host plants.) 



food supply in soils 424 



transformation in soils 220 



treatise 322 



Fusarium diseases, studies ' 543 



galls, treatise 657 



glucosids, studies 28 



growth as affected by- 

 fertilizers 438, 439 



manganese 430 



nitrogen-fixing bacteria 122, 123 



partial sterilization 122 



spray materials 438, 439 



ultraviolet rays 430 



growth, relation to water 124 



Inspection. {See Nursery inspection.) 



lice as affected by reflorit 439 



biology 54 



destructive to watermelons, Ariz. . 34 



notes 552 



remedies, N.J 160 



studies 752 



{See also Apple aphis, etc.) 



metabolism, r6Ie of nitrogen in 437 



parasites, list 647 



wintering 047 



root parasites, treatment 549 



rusts in Indiana, studies 543 



notes 151 



Page. 

 Planl trichonics, assimilation of atmospheric 



nitrogen by 230 



Planlago lanceolata, notes 235 



Plantain, lance-leafed, in Vermont, Vt 038 



meal, analyses 68 



Plantains, culture in India 446 



Plants- 

 acclimatization investigations 133 



as affected by anesthetics and freezing. . . 436 



calcium carbonate 130 



cement dust 29 



frost 720 



radium 132 



solar radiations 529 



asexual hybridization 732 



assimilation of amids by 132 



am ins by 721 



ammonium salts by 328 



carbon dioxid by 28,229 



phosphoric acid by 4.33 



plant food by 619 



composition as affected by fertilizers 23 



shade 530 



culture, review of investigations 317 



desert, distribution and movements in... 325 



disease resistant, development 46 



distribution, Hawaii 42 



etiolated, photodynamic effects of ex- 

 tracts from 27 



factors affecting- 

 geographical distribution 450 



predisposition to disease 148 



fertilization 430 



fertilizer requirements 523 



flowering, in Indiana, notes 551 



fruit-bearing, parthenogenesis in 039 



grafting experiments 732 



honey, in Hawaii, Hawaii 58 



immunity in, studies 722 



imports, U.S.D.A 529,630 



laws concerning, U.S.D.A 163 



injury by smoke 230 



insects affecting 742 



remedies 655 



introduction into south California 134 



lime and magnesia for 433 



method of infection, description 647 



nutrition with formaldehyde 328 



origin and function of pentosans in 721 



ornamental, blooming period 42 



breeding experiments, N.J. . 140 



of Macon Co., Ala.Tuskegee. 449 



perception of light by 26 



production of new species 447 



protein metabolism in 530 



proteolytic enzyms of, relation to vege- 

 table rennets 27 



relation to ants 363 



resistance to frost 639 



respiration investigations 629 



r61e of mineral .salts in 131 



rubber, expedition in .search of 451 



sjrmbiosis in, .studies 722 



theory of smoke injury to 325 



transpiration investigations 327, 630, 721 



