428 
Plums, varieties tested, 3, 21, 7, 92, 99, 
8, 351, 356, 9, 347, 12, 611, 15, 
291. 
winter injury to, 15, 424. 
yield increased by spraying, 15, 
399. 
Plusia brassicae (see Cabbage looper). 
Plymouth Rock fowls for capons, 11, 
237, 244, 245, 247, 249. 
Poa aquatica, notes on, 2, 147. 
nemoralis. (See Wood meadow 
grass.) 
pratensis. (See Kentucky blue 
grass.) 
serotina. (See Meadow grass, 
fowl.) 
trivialis. (See Meadow grass, rough- 
stalked.) 
Podosphaera oayacanthae.. (See Pow- 
dery mildew.) 
tridactyla. (See Quince leaf 
mildew.) 
Poecilocapsus lineatus. (See Four lined 
leaf-bug.) 
Poison, use in bordeaux mixture on 
potatoes, 22, 159. 
Poisoning, ice cream, 6, 466. 
Poisons or repellants for 
leaf-beetle, 17, 333. 
Poland China pigs, details of experi- 
ment with, 14, 479, 484, 490. 
Pollen, amount, relation to self-fertility 
of grape, 21, 391. 
effect of rainfall upon, 11, 607; 
of spray mixtures on, 19, 374; 
on fruit-of strawberries, 4, 255. 
Pollen, foreign, influence on fruit, 5, 
174. 
grape, form indicates potency of, 
21, 395; growth in cultures, 21, 
393;  miscroscopic examination 
of, 21, 395; study of, 21, 390; 
summary of studies, 21, 22. 
Pollination experiments with Duchess 
grape, 11, 610; Mount Vernon 
pear tree, 11, 608; grapes, 18, 
363. 
hand, of grape blossoms, 21, 368. 
of grapes, method, 18, 364; self- 
sterile grapes, potency, 21, 366, 
$72, .. 3876," “877s “strawberries, 
effect of shading, 23, 240. 
Polyporus sulphureus on cherry, 18, 
198. 
Pomaceous fruits, 14, 251. 
Pomological districts of New York, 25, 
353. 
Pomologist, Acting, reports of, 8, 337, 
9, 309. . 
Pomona spray pump, 
219. 
cottonwood 
description, 16, 
INDEX TO First TWENTY-FIVE REPORTS. 
Pond, ice, 12, 6. 
Popcorn, 12, 562. 
Popular bulletins, character, 16, 11. 
Porter, Nelson W., potato spraying ex- 
periment, 24, 124. 
Pot majoram, plant food constituents in, 
24, 375. 
Potash, abundance of, when indicated 
by crops, 14, 85. 
amount applied and removed by 
two crops of potatoes, 15, 115, 
116. 
and soda in plant growth, 19, 231. 
magnesia, sulphate of, 14, 73. 
availability of carbonate of, 14, 87; 
muriate of, 14, 87; sulphate of, 
14, 87. 
caustic, for oat smut, 5, 128. 
composition, etc., 14, 46. 
compounds in fertilizing materials, 
14, 72, 74; carnallite, 14, 72, 
74; castor-bean pomace, 14, 63; 
cottonseen-hull ashes, 14, 72, 74; 
cottonseed-meal, 14, 62; green- 
sand marl, 14, 72; kainit, 14, 
12, T4&; krugite, “14, ¥i2)274- 
leached ashes, 14, 73, 74; mu- 
riate of potash, 14, 72, 74; soil, 
14, 57; tobacco stems, 14, 73, 
74; wood ashes, 14, 73, 74. 
cost in muriate, 22, 399. 
for lettuce forcing, 17, 486. 
in fertilizers, 16, 32, 137. 
in fertilizers, defined, 10, 407; in- 
fluence on potatoes, 17, 428. 
in sugar beets, 16,°195. 
loss from soil, 14, 57. 
muriate of, 14, 72. 
necessary amount for potatoes, 19, 
PePAT be 
nitrate of, 14, 78. 
(See Nitrate of potash.) 
provisions of fertilizer law in refer- 
ence to, 15, 133. 
salts, influence upon composition of 
potato, 16, 611. 
sulphate of, 14, 73. 
sulphur wash, formula, 21, 344. 
used by apple trees, 24, 358; fruit 
trees, 24, 360; pear trees, 24, 
3862; plum trees, 24, 863; quince 
trees, 24, 365; valuation of, 14, 
136. 
Potassium, action in plants, 14, 54. 
cyanide, strength for fumigation, 
19, 329; treating nursery stock, 
19, 338, 339. 
description, etc., 14, 46. 
ferrocyanide test, 12, 692, 705, 14, - 
885, 16, 228. 
