Apr, 7-JU11C30,1933 
Index 
1053 
Page 
Henry, Arthur W., et al.: Spores in the Upper 
Air, .. S99“6o6 
Heredity, principles, application to plant 
breeding. 815-852 
Herpotrichia nigra, injury to spruce seedlings, 
prevention. 745 
Holland, E. B., Garvey, M. E., Pierce, H. B., 
Messer, A. C., Archibald, J. G., and Dunbar, 
C. O.: Determination of Fatty Acids in 
Butterfat.—..365-398 
Holstein milk, butterfat analyses.367-392 
Hulls, velvet-bean, composition and delete¬ 
rious effect in rations.437-439 
Hiunidity, relation to injury by arsenical 
sprays. 528-530,535 
Hungerford, Charles W.; Studies on the Life 
History of Stripe Rust, Puccinia gluma- 
fum . 607-620 
Hunter, O. W.: Protein Synthesis by Azoto- 
bacter. 263-274 
Hybrids— 
citrus, susceptibility to citrus scab, com¬ 
parisons.... 9S5~9S9 
raspberry-blackberry, susceptibility to 
rust. 885-887 
Hydrochloric acid— 
effect on plant growth in black alkali soil... 330 
presence in soils, effect on Azotobacter 
content. 294-295 
Hdyrogen-ion— 
concentration—^ 
relation to nitrogen growth and fixa¬ 
tion. 759-767 
substrate, effect on pectinase produc¬ 
tion. 861-878 
determination in soils, methods. 909 
Hypholoma sp., relation to dtrus gummosis. 222,232 
Idaho, sunflowers growing for silage, composi¬ 
tion and yield. 769-780 
Identification of Certain Spedes of Fusarium 
Isolated from Potato Tubers in Montana: 
H. E. Morris and Grace B. Nutting.339-364 
Improved Method for the Determination of 
Nicotine in Tobacco and Tobacco Extracts: 
Q. M. Shedd..061-970 
Influence of Moisture on Bean Wilt: L. T. 
Leonard. 749-752 
Influence of Soil Temperature and Soil Mois¬ 
ture upon the Fusarium Disease in Cabbage 
Seedlings: William B. Tisdale.55-86 
Influence of Some Nitrogenous Fertilizers on 
the Development of Chlorosis in Rice: L. G. 
WilKs and J. O. Carrero. 621-640 
Influence of Temperature, Moisture, and Ox- 
ysm oa.the Spore Germination of UsiUago 
aaetme: Edith Seymour Jcmes. 593-598 
Influence of Temperature on the Spore Ger¬ 
mination of UstUago zeae: Edith Seymour 
Jones. 593—59 8 
Influence of the Absolute Reaction of a ^il 
upon Its Azotobacter Flora and Nitrogen 
Fixing Ability: P. L. Gainey.907-938 
Influence of the Hydrogen-Ion Concentration 
on the Growth and Fixation of Nitrogen by 
Cultures of Azotobacter: P. L. Gainey and 
H. W. Batchdor. 759-768 
Influence of the Substrate and Its Hydrogen- 
Ion Concentration on Pectinase Production: 
L. L. Harter and J. L. Weimer. 861-878 
Inheritance of Growth Habit and Resistance 
to Stem Rust in a Cross between Two Va¬ 
rieties of Common Wheat: Olaf S. Aamodt. 457-470 
Injury to Foliage by Arsenical Spray Mix¬ 
tures: D. B. Swingle, H. E. Morris, and 
Edmtmd Burke. Soi-537 
Inoculation, onion bulbs with Colletotrichum 
circinans, results. 1020-1022 
sweet potato, with fungi, ‘‘well” method.. 441, 
4 SS» 4 S 6 
Inoculations— 
citrus, with gum-forming organisms. 198-210 
2ii-2i3» 214-218,221-222 
legume, cultures, relation to bean wilt, 
study. 749-752 
plants, with cane mosaic, experiments, re¬ 
sults. 248-255 
Insectiddes, arsenicals used, composition, ap¬ 
plication, and results.. 502-511 
Insects— Page 
temperature studies, methods and literature 
concerning. 275-282,286-287 
transmission of cane mosaic, tests and re¬ 
sults. 251-255 
Iron— 
availability in soil, factors governing. 621-623 
deficiency in soil, as cause of chlorosis.... 621,628 
Irrigation water, effect on wheat composi¬ 
tion. 940-941 
Jersey milk, butterfat analyses....367-379 
Joffe, Jacob, Waksman, S. A., Wark, C. H., 
and Starkey, R. L.: Oxidation of Sulphur 
by Microorganisms in Black Alkali Soils.. 297-305 
Johns, Carl O., Jones, D. B., and Finks, A. J.: 
Nutritive Value of Mixture of Proteins from 
Corn and Various Concentrates. 971-978 
Jones, D. Breese, Finks, A. J., and Johns, 
C. O.: Nutritive Value of Mixtures of Pro¬ 
teins from Corn and Various Concentrates. 971-978 
Jones, Edith Seymour: 
Influence of Temperature, Moisture, and 
Oxygen on Spore Germination of UstUago 
avenae . S 77 '"S 97 
Influence of Temp^ature on the Spore Ger¬ 
mination of UstUiago zeae . 593-597 
Relation of Certain ^il Factors to the In- 
fecticwi of Oats by Loose Smut. 569-575 
Juice, onion, relation to fungus of onion 
smudge. 1023-1024 
Kafir, nitrogen absorption, comparison with 
com.....— 50^51 
Elanred wheat, characters, crossing with 
Marquis, results....457^458,459-467 
Kernel, wheat, injury by stripe rust, effect 
on germination. 613-614 
Kemds, wheat, changes during development, 
factors affecting.944-947 
Klaphaak, Peter J., and Brandes, E. W.: 
Cultivated and Wild Hosts of Sugar-Cane 
or Grass Mosaic. 247-262 
KoUa simUis, mosaic transmission to plants. 251-253 
Kota wheat, description and characters. 997, 
999, zoox, Z005, zoio 
rust resistance and weakness ol straw. 457 
Kuekncola uredinis, injury to blackberries.... 885 
Korstian, C. F.: Control of Snow Molding in 
Cimiferous Nursery Stock... 741-748 
Lactation, period of, effect on fatty acids in 
butterfat... 379 
Lactic acid, presence in soils, effect on Azoto¬ 
bacter content. 296 
Larch, Siberian, transpiration studies. 120-145 
Lasiodiplodia irijlorae, cause of gummosis of 
plum, note. 227 
Laurie acid, butterfat, analyses and notes.... 366. 
370-379,386-396 
Lauritzen, J. L., and Harter, L. L.: Species 
of Rhizopus Responsible for the Decay of 
Sweet Potatoes in the Storage House, etc. 441-456 
Lead- 
arsenate, composition, preparatioa, and use 
as insecticide. 504-506,514,519,520 
arsenates— 
effect of soap. 87-95 
formulas and kinds.. 88-^ 
Leaf roll, potato, relation to phloem necrosis. 243-245 
spot- 
oats, cause, description, and control. 663-667 
rice, cause, description, and con¬ 
trol. 643,724-728 
Leaves, apple, effects of arsenical spraying for 
different varieties. 516 
Legume, inoculation cultures, relation to bean 
wilt, study. 749-752 
Lemon, seedling, growing in solutions of so- 
ditun and calcium, experiments. 753-757 
Lemons, susceptibility to citras scab, notes. 9S5”958 
Leonard, Lewis T.: Influence of Moisture on 
Bean Wilt. 749 
Levine, M. N.: A Statistical Study of the 
Comparative Morphology of Biologic Forms 
of Puccinia graminis . 539-568 
Levine. M. N., Stakman, E. C., and Bailey, 
D. L.: Biologic forms of Puccinia graminis 
on varieties of A vena spp. 1013-1018 
Light, effect on Fusarium cultures. 35o>352 
