New YorK AGRICULTURAL EXPERIMENT STATION. 
Oats, tillering of, 5, 118. 
utility of variety tests, 4, 56. 
variety tests, 1, 35, 3, 399, 401, 4, 
56. 
vegetation at different depths, 6, 
66. 
winter sowing, 6, 69. 
Odell, Gov. Benjamin B., Jr., on Board 
of Control, 20, V. 
O’Donnell, John, on Board of Control, 
3, 3. 
Odors in milk, 19, 31; effect of tem- 
perature on, 19, 33. 
O’Hanlon, Wm., reports as Treasurer, 6, 
1, 7, 1, 8, 3). 9, 4, 10, qT, 11, 5; 12, 
1; 13, a ead; 15, 1, 16, I; 17, 1, 
18, 1, 19, 1, 20, 1, 22, 1, 23, 1, 
24, 1, 25, 1. 
Ohio Improved Chester-Poland China 
cross, rate and cost of growth, 15, 
659, 665. 
Oidium fructigenum, figure, 4, 281, 282; 
(See Knotting of cherries and 
plums.) 
lactis, from tomato, figure, 3, 381. 
Oil cups, 22, 371. 
meal, analyses, 21, 425. 
Oils, miscible. (See Miscible oils.) 
Oldenburg group of apples, 25, 346. 
Okra, 12, 573. 
root system of, 5, 159. 
seed, germination of, 2, 60. 
variety tests, 4, 217, 5, 249, 7, 130. 
Olin, Milo H., on Board of Control, 22, 
Wik : 
Olney, Luman D., on Board of Control, 
12, V. 
Onion, classification of varieties, 6, 190. 
cutworms. (See also Cutworms.) 
cutworms, outbreak, 15, 629. 
description of varieties, 6, 191. 
experiments, fertilizers used, 20, 
238. 
growing, commercial fertilizers in, 
20, 24. 
index to varieties, 6, 208. 
notes on varieties, 6, 319. 
packed or loose soil for, 3, 201. 
root system, 3, 310, 5, 161. 
seed, germination of, 2, 60. 
smut, damage by, 19, 70; dissemi- 
nation, 19, 71; methods of com- 
bating, 19, 71; nature of, 19, 
70; sulphur-lime treatment for, 
19, 69; time of infection, 19, 92; 
treatment of, 19, 94. 
thrips, notes on, 15, 612. 
varieties, germination of seed, 4, 
FQ. 
Onions, 12, 573. 
applying nitrate of soda to, 10, 
478. 
421 
Onions, bacterial rot of, 18, 169. 
commercial fertilizers for, 20, 236. 
compact vs. loose soil for, 4, 144. 
eastern-grown vs. California-grown 
seed, 10, 477. 
effect of fertilizers on quality, 20, 
_ 248. 
fertilizer experiments with, 10, 477. 
fertilizers for, 14, 109. 
fertilizing materials contained in, 
14, 93. 
large vs. small seed, 4, 144. 
nitrate of soda for, 10, 478. 
outbreak of cutworms on, 15, 629. 
plant food constituents in, 24, 374, 
slippery, cause of, 18, 171. 
variety tests, 1, 125, 2, 183, 3, 200, 
4, 142, 5, 236. 
yield, 20, 240. 
Onobrychis sativa as a cover crop for 
orchards, 15, 448. 
Ontario Shore pomological district, ap- 
ples for, 25, 364. 
Oospora rosea, potato blight caused by, 
15, 510. 
scabies. (See Potato scab.) 
Orange rust, notes on, 18, 460; occur- 
rence, 18, 194; of raspberry, 14, 370; 
of raspberry, recognition, 16, 232; on 
blackberry, 19, 182. 
Orchard fumigation, 20, 292. 
grass hay, digestibility, 7, 276. 
notes on, 1, 76, 5, 136. 
management, experiments, location, 
25, 13. 
sample, establishment, 3, 20. 
Station, notes on, 1, 144, 2, 34, 5, 
LGW, t. 250, 2,200.17 
treatment, lime-sulphur-soda wash 
for, 23, 19, 187. 
sulphur washes for, 24, 297, 
trees, small, fumigator for, 19, 287. 
Orchardists, attitude on spraying in 
bloom, 19, 370. 
Orchards, cover crops for, 15, 440. 
dwarf, location of tests, 25, 13. 
San Jose scale in, treatment, 21, 
258. 
spraying, 8, 358. 
worn-out, renovation of, 25, 449. 
Orchilla guano, phosphoric acid in, 14, 
TAs 
Orgyia leucostigma, 
sock-moth, 14, 552. 
Ornix prunivorella. 
miner. ) 
Ox-eye daisy, composition, 5, 351. 
Oxygen, action in plants, 14, 52. 
occurrence and description, 14, 42. 
relation to fertilizers, 14, 49. 
white-marked tus- 
(See Apple leaf 
