New York AGRICULTURAL EXPERIMENT STATION. 403 
Grape anthracnose, notes on, 9, 321, 14, 
355, 18, 428; prevention, 9, 336. 
black rot, 9, 318, 14, 356, 18, 429. 
bitter rot, description, 9, 324. 
blossoms, hand pollination, 21, 368. 
manner of opening, 11, 597. 
brown rot, notes on, 6, 3842, 18, 
433. 
cane borer, 18, 454. 
cause of self-sterility, 11, 601, 17, 
559, 18, 390. 
chlorosis, 18, 4381. 
classification according to self-fer- 
tility, 17, 547. 
diseases in the Hudson Valley, 18, 
205; prevalence, 19, 189;  pre- 
vention, 9, 334. 
downy mildew, notes on, 9, 320, 14, 
357, 18, 205, 432. 
fruit worm, 18, 435. 
gray rot, 18, 433. 
influence of pollen on fruit, 5, 175. 
leaf blight, description, 9, 324. 
hopper, 18, 435. 
mildew, notes on, 6, 341, 9, 320, 
14, 857, 18, 205, 432. 
notes on, 9, 310; varieties af- 
fected, 5, 168, 6, 341. 
notes on self-pollination of, 11, 597; 
on varieties, 7, 104. 
pollen, form indicates potency of, 
21, 395; growth in cultures, 21, 
393; microscopic examination of, 
21, 395; studies, summary, 21, 
22; study of, 21, 390. 
pollination occurs before blossoms 
open, 11, 598. 
powdery mildew, 14, 357, 18 
description, 9, 322. 
saw fly, 18, 437. 
seeds, specific gravity, 23, 348, 352. 
sexual status of, 21, 397. 
stock experiments, location, 25, 18. 
thrips, 18, 436. 
unfruitful when standing alone, 11, 
605. 
varieties, characteristics relating to 
self-fertility, 17, 526; girdling 
experiments (see Girdling § ex- 
periments) ; growth of vines, 8, 
344; in Station vineyard, 7, 94, 
101. 
vine flea-beetle, adults, 17, 360; 
egg, 17, 360; larva, 17, 360; life 
history and description, 17, 360; 
methods of combating, 17, 3861; 
paris green for, 17, 361; pupa- 
tien, 617, 861; study of, 17, 835, 
18, 434, 
vines, analysis of, 10, 163; compo. 
sition, 10, 168-178; ringing, 17, 
84, 610, 
, 433. 
Grape, white rot, description, 9, 324. 
yellow leaf, 18, 431. 
Grapes, bagging, 5, 168. 
blooming period, 18, 367. 
castration of blossoms, method, 21, 
366. 
cause of self-sterility, 17, 559, 18, 
390. 
classification by blooming season, 
18, 393. 
covering clusters, 18, 366. 
cross-fertilization, 5, 168. 
description of varieties, 9, 325, 10, 
493, 11, 613, 14, 274-280. 
fertilized by same and other varie- 
ties, 18, 369-389. 
fertilizers for, 14, 105. 
fertilizing materials contained in, 
14, 93. 
same and other varieties, 18, 
869-392. 
fruitful when standing alone, 11, 
606. 
list of partially self-fertile, 14, 
322; self-fertile, 14, 321; method 
of pollination, 18, 364. 
native wild, of the United States, 
8, 357. 
notes on varieties, 4, 253, 5, 167, 
G6, 341, 8, 340, 12, 617-623, 
15, 293-295. 
period of bloom, 18, 367, 3868. 
plant food constituents in, 24, 872. 
pollination experiments, 18, 368. 
potency of pollen of self-sterile, 21, 
SOG, 4o la) 8S (OOO. 
productiveness of, affected by self- 
fertilization, 14, 3820. 
self-fertility, L7, 32, 518; classifi- 
eation of varieties, 17, 547; in- 
fluence of girdling canes, 21, 
881; investigations, 21, 364; 
length of stamens an indicator, 
17, 562; method of testing, 17, 
521; modified by environment, 
17, 539, 540; relation of amount 
of pollen to, 21, 391; study, 17, 
518; summary of investigations, 
21, 22: varieties, characteristics, 
17, 526. 
self-sterile, 11, 605, 14, 324, 325, 
17, 548. 
fertilizing, 18, 361. 
species found wild in United States, 
$2930 0: 
sprayed, analyses of, 10, 401. 
varieties affected by mildew, 5, 168, 
G6, 341; blooming together, 18, 
895-397; under test, 4, 252, 8, 
858, 857, 9, 847, 11, 639, 12, 
624, 15, 295; why some fail to 
get perfect clusters, 11, 601, 
