ioi6 
Journal of Agricultural Research 
Vol. XXIII 
Page 
Jenkins, Merle T., Holbert, J. R., Burlison, 
W. L., Biggar, H. H., Koehler, B., and 
Dungan, G. H.: Early Vigor of Maise Plants 
and Yield of Grain as Influenced by the 
Corn Root, Stalk, and Ear Rot Diseases.. 583-630 
Jet barley, description, water content during 
growth, and color at maturity. 333- 
, , , 341 . 343 , 345 - 348 , 355 ,358-360 
Jewel weed, growing, experiments with day¬ 
light of different lengths. 878 
Johnson grass— 
fruits and caryopses, comparison with 
Sudan grass. 202-209 
seed-germination temperatures. 297, 
, 305-313,329,331 
seed, pericarp and integument, structure, 
characteristics and composition. 193-222 
spikelets and caryopses, structure. 194-218 
Johnson, James: A Bacterial Leaf spot of 
Tobacco.481-494 
Kanred wheat, resistance to stem rust, cyto- 
logical studies. 139-145 
Kansas, pastures burning^ effect on vegeta- 
tation.631-644 
Kaupp, B. F., and Ivey, J. E.: Time Required 
for Food to Pass Through the Intestinal 
Tract of Fowls. 721-725 
Kelly, J. W.: Probable Cause of the Toxicity 
of the So-Called Poisonous Greensand.223-228 
Kelly, J. W., Black, O. F., Eggleston, W. W., 
and Turner, H. C.: Poisonous Properties of 
Bikukullacucullaria (Dutchman's Breeches) 
and B. canadensis (Squirrel Com).69-78 
Kernel, barley, color as an index of maturity 358-360 
Kernels, com, pentosan content.657,658 
King, C. J.: Cotton Rootrot in Arizona...... 525-527 
Koehler, Benjamin, Holbert, J. R., Burlison, 
W. L., Biggar, H. H., Dungan, G. H., and 
Jenkins, M. T.: Early Vigor of Maize Plants 
and Yidd of Grain as Influenced by the 
Com Root, Stalk, and Ear Rot Diseases.. 583-630 
Krantz, Fred A.: Permanence of Variety in 
the Potato...947-962 
Krout, Webster S.: Control of Lettuce Drop 
by the Use of Formaldehyde. 645-654 
Kumquats, crossing with other citrous fruits, 
results. 229-239 
Lathrop, Frank H.: Influence of Temperature 
and Evaporation upon the Devdopment 
clAphispomi DeGeer.5)69-987 
Leaf shedding, rdation to length of day. 903- 
905-919 
Leaf spot— 
bacterial, of tobacco. See Leafspot, tobacco. 
geranium, cause and control.361-372 
tobacco, cause, names, description, etc.... 481-494 
Leaves, com, pentosan content. 657,658 
Lb Ceerc, J. A., and Davidson, Jehid: Ef¬ 
fect of Various Inorganic Nitrogen Com¬ 
pounds, Applied at Different Stages of 
Growth on the Yidd, Composition, and 
Quality of Wheat.55-68 
Lettuce- 
downy mildew in California.5)89-994 
drop, control by formaldehyde. 645-654 
susceptibility of varieties to Bremta lac - 
tucae . 992-993 
Liatris graminifolia, growing experiments with 
daylight of different lengths.875-876,896 
Light, relation to other factors of environ¬ 
ment of growing plants. 910-914 
Lime- 
effect on addity of wheat plants. 379.38r, 382 
action of toxic greensand.227-228 
necessity in soil, rdation to iron and alum¬ 
inum salts.809,819,821 
rdation in soil to sand drown of tobacco- 38-39 
Limequat, Eustis, origin and technical de¬ 
scription. 235-237 
Limequats, origin and description. 229,235-238 
Limes, crossing with kumquats, resultant 
hybrids. 229, 235-238 
Lime-sulphur, spray and dust, for control 
of gray mold of castor bean. 707-711 
Linseed by-products, starch content de¬ 
termination, methods. 997-1005 
Page 
Literature citations— 
disease transmission by insects. 283 
Peronosporaceae. 993 
potato diseases. 967 
starch determination. 1006 
Loaf, volume, flour, relation to wheat char¬ 
acters. 535-542 
Lohnis, F., and Smith, N. R.: Studies Upon 
the Life Cycles of the Bacteria—Part II: Life 
History of Azotobacter.401-432 
Loomis, H. F. and Martin, R. D.: Summer 
Irrigation of Pima Cotton. 927,946 
Louisiana, castor bean, gray mold outbreak... 63 x 
Lush, Jay L., and Wentworth, Edward N.: 
Inheritance in Swine.. 559-582 
McHargue, J. S: Iron and Manganese Content 
of Certain Species of Seeds. 395-399 
McKinney, Harold H.: Investigations of the * 
Rosette Disease of Wheat and Its Control. 771-800 
McMurtrey, J. E., Garner, W. W., Bacon, 
C. W. and Moss, E. G.: Sand Drown, a 
Chlorosis of Tobacco Due to Magnesium De¬ 
ficiency, and the Relation of Sulphates and 
Chlorids of Potassium to the Disease.27-40 
Magnesia, use in fertilizers in combination 
with other materials. 36-38 
Magnesium— 
deficiency, cause of tobacco sand drown..., 27-40 
salts, effect on wheat at different stages of 
growth..'. 57-622 
Maize. See Com. 
Man, anthelmintics, tests of carbon tetra- 
chlorid. 185-188 
Manganese and iron, content of certain species 
of seed. 395-399 
Manns, Thomas F, and Adams, J. F.: Para¬ 
sitic Fungi Internal of Seed Com.495-524 
Martin, R. D., and Loomis, H. F.: Summer 
Irrigation of Pima Cotton.927-946 
Maryland, geranium leafspot occurrence, or¬ 
ganism characters. 361,363-367 
Massachusetts, geranium leafspot occurrence, 
notes. 362 
Mechanics of Inoculation with Sugar-Cane 
Mosaic by Insect Vectors: E. W. Braudes. .279-284 
Mercuric chlorid, use in castor-bean seed 
treatment. 711-712 
Mermis spp., determination. 922 
Methyl— 
anthranilate, examination of grape juices 
for. 47-53 
pentosans, distribution in com plant. 659-660,662 
Micrococcus, spp. comparison with growth 
types of Azotobacter.417,428 
Mikania, flowering, relation to daylight 
length. 880,883 
Milbrath, D. G.: Downy Mildew on Lettuce * 
in California.989-994 
Mildew, downy— 
lettuce in California.989-994 
Philippine on com, conidia studies.239-278 
spread, methods. 271-276 
Minnesota, potato-testing experiments. 950-959 
Miscellaneous Tests of Carbon Tetrachlorid 
as an Anthelmintic: Maurice C. Hall and 
Jacob E. Shillinger. 163-192 
Mississippi, castor bean, gray mold outbreak. 68 x 
Moisture, soil— 
influence on development of seedling blight 
of com and wheat. 837-870 
movement under mulches. 729, 737-739 
preservation by mulches. 727-74* 
Mold, gray— 
castor bean. 679-716 
control experiments. 707-713 
host limitations. 705-706 
life history and description.. 687-702 
Monkeys, anthelmintics, tests of carbon tetra¬ 
chlorid. 184-185 
Moonvine, growing, experiments with day¬ 
light of different lenghts. 879 
Morning-glory growing, experiments with 
daylight of different lengths.878-879 
Mortis alba, disease caused by Sclerotinia 
carunculoides .833-836 
