1222 



EXPERIMENT STATION RECORD. 



Page. 

 Plants, etiolated, tis aflfected by tempera- 

 ture 228 



etiolation of 227 



fertilizer requirements, methods of 



studying 341 



flowering, asexual reproduction in. 841 

 form and structure as affected by 



carbon dioxid 547 



grafted, structure of calluses 1070 



utilization of mineral mat- 

 ter by 860 



growth as affected by colored light. 547 



electricity 548 



hardy, book on 573 



in the region of Flathead Lake 1052 



individuality in nutrition studies.. 944 

 injuries by carbon bisulphid and 



copper suli>hate 783 



nutrition, 1'. S. I). A 328 



of Xew York, notes 743 



origin of variegated varieties 740 



ornamcnial, notes, N. .J 574 



penetration of tissues by bacteria.. 743 



phosphoric acid requirements 851 



poisonous, in Nebraska 636, 942 



Queonlsnnd 743 



to stock 201 



pollination experiments 63-1 



propagation 41 



Mo 870 



U. S. I). .\ ;«3 



proteolytic enzyms in 335 



regeneration 5'28 



relation to parasites y76 



respiration as affected by — 



metallic salts 121,943 



strength of solutions 943 



response to electrical stinnili 739 



r61e in dissolving ]>lTmt food in soil. 427 

 rootsystem asaffected by fertilizers 21,345 



sensory area of roots 120 



sexual organs 528 



solvent action on mineral phos- 

 phates 430 



specimens for identiticatiou, Cal... 636 

 structure as affected by comjiosition 



of soil 548 



terrestrial origin 525 



tropical, culture 448 



treatise 870 



variation in, treatise 1103 



water content 942 



watering with hot water 149 



Plaxinodiophora brai<sic»', notes 581, 667, 878 



treatment, N.. I ... 578 



Plasinodiiim makiriir cfjuornm, description. . 92 



Plasmon, analyses 173 



N. Dak 69 



food value 595 



J'lai<moi/(ira enbensis, notes, Mass 158 



Plat experiments, methods of conducting. . 561 



Platinum crucibles, injury by phosphorus. 419 



Platypara'a poccilojdera, notes 887 



Pleonrctrin coffeicola, n. sp., description 455 



Pkospliirrulinabriosiana, n. sp., description 159 

 Pleospora and Helminthosporium, relation- 

 ship 877 



Page. 



Plcuro-pncinnonia, experimental iut-ows.. 700 



in Australia 186, 187 



cattle 700 



vaccination 1022 



Pleurotus oslrealus. notes, Iowa 742 



sapidus, analyses 991 



notes, Iowa 742 



idmarius, analyses 991 



notes, Iowa 742 



Ploti Experiment Station, report 5, 17, 29, 340 



Plowing, elTeet on soil moisture 17 



Plows, development 507, 928 



disk, development 717 



notes, U. S. D. A 929 



trials, N. Dak 25 



dynamometer tests, N. H 1% 



in Russia 405, 717 



Plowsole, formation and effects, Cal 645 



Plum aphis, notes 587 



Cal 267 



bacterial disease 531 



Itlight, studies 531,880 



Vt 1087 



brown rot, treatment, S. C 161 



curculio, egg producti(m, r. S. 1). \ . . 585 



notes 65, 780, 984, 986 



X.J 586 



U. S. D. A 169 



disea.se, notes 59 



di.sea.ses, notes, U. S. D. A 169 



gouger, notes 466 



Minn 779 



remedies, Mich 268 



giunmosis, investigations 458 



leaf blight, notes, Colo 156 



Monilia di.sease, notes 1090 



jilant lice, notes, N. J 586 



U. S. D. A 169 



nx)t knot, notes 880 



rot, notes 980 



N. H 159 



treatment, Del 261 



rust, notes 776 



silver leaf disease, notes 59, 880 



stem borer, notes 1097 



sun scald, Del 365 



Plums, Americana, types, Vt 1069 



cros.sing experiments 1070 



culture 1069 



U. S. D. A 96 



handbook 660 



drying 438 



fertilizer experiments 254 



hybrid varieties, Vt 44 



insects affecting 466 



Colo 169 



Japanese hybrid, Vt 1069 



origin of variegation in 740 



l)ropagation, Vt 4S, 1068 



.salicylic acid in, Mont 892 



stocks for 144 



thinning 355 



Md 253 



varieties 46 



Can 144 



Mich 143 



Mont 41 



