278 



EXPERIMENT STATION EECOED 



Qrape— Continued, 

 diseases— continued. 



treatment, (27) 546; (28) 748; (31) 843; (34) 



748 

 downy mildew — 



characteristic spots of, (31) 54. 



conditions determining outbreak of, (33) 



853. 

 development, (26) 550; (30) 247. 

 notes, (28) 349, 749; (29) 350; (30) 353; (32) 



149, 446; (35) 50, 352, 550; (36) 347; (39) 56, 



151, 356, 357, 457; (40) 53, 750, 845. 

 propagation by wind, (26) 344. 

 review of investigations, (29) 249. 

 studies, (26) 450, 851; (28) 54, 55, 244, 448; 



(27) 49, 449, 547; (28) 54, 55; (29) 155, 849, 

 850; (30) 452; (33) 248, 447, 549; (34) 352, 

 543, 544; (36) 545, 540, 650; (37) 151, 152, 

 251; (38) 51, 651, 754, 755; (40) 850. 



treatment, (26) 550, 750; (27) 49, 652; (2^) 



152, 245, 850; (29) 50, 551; (30) 50, 150, 151; 

 (31) 151, 152, 544; (32) 145, 149; (33) 448; 

 (34) 544, 748, 847; (35) 249, 352, 753, 754; 

 (36)452,751; (37)152,246; (38)51,552,754, 

 755; (40) 252, 750. 



"Droali," notes, (28) 241. 



dry leaf disease, notes, (31) 844. 



flea beetle — 



in France, (30) 458. 



lesser, (40) 357. 



notes, (29) 761; (35) 646. 

 foliage as feeding stuff, (30) 371. 

 foliage, effect on development of fruit, (29) 439. 

 frizzle disease, notes, (28) 550, 650. 

 gray rot— 



. fixation of nitrogen by, (26) 123; (27) 225. 



formation of conidia on (30) 149. 



notes, (27) 851; (29) 349; (31) 544, 749, 844; 

 (33) 646; (34) 847; (35) 246. 



on figs, (37) 457. 



relation to apple rot, (33) 348. 



studies, (26) 749; (27) 50; (28) 847; (37) 47, 

 350. 



temperature relations, (36) 649. 



treatment, (27) 850; (29) 349, 849; (30) 651. 

 gummosis, notes, (28) 650. 

 gunworm, notes, (30) 252. 

 hybrids- 

 resistance to mildew and insects, (26) 138; 



(28) 840; (30) 741. 

 sexual elements of, (30) 43. 

 studies, (27) 540. 



industries, developing, (40) 839. 

 industry in— 



Algeria, (30) 741. 



California, (35) 343; (38) 541. 



South Australia, (29) 837. 

 Juice- 

 as nutritive remedial agent, (31) 358. 



changes in, (34) 43. 



clarification, (32) 208. 



Concord, (39) 208. 



examination, (26) 660. 



manufacture, (30) 316. 



pasteurization and biorization, (37) 805. 



preservation, (38) 617. 



preservation by pressure, (32) 416. 



studies, (29) 711. 



unfermented, examination, (33) 362. 



unfermented, manufacture, (32) 208, 809. 



use in grafting hickory and walnuts, (33) 



leaf cast, treatment, (30) 50; (32) 345. 



leaf folder, studies, (36) 155. 



leaf mite, notes, (32) 651. 



leaf roll, treatment, (37) 246. 



leaf roller, school chart of, (31) 395. 



leaf scald, notes, (30) 448. 



leaf spot, treatment, (27) 250. 



leafhoppcr— 



notes, (26) 452; (29) 158; (33) 356; (34) 158. 



remedies, (27) 758; (33) 59. 



studies, (27) 157; (28) 855; (30) 547; (33) 556. 

 leaves- 

 detached, respiration in, (28) 528. 



infection by Plasmopara viticola, (26) 550. 



relation to grape clusters, (30) 132. 



spray injm-y, (34) 353. 



spraying underside of, (30) 651. 

 little leaf, notes, (38) 754. 



Grape— Continued . 



little leaf, studies, (36) 849. 

 marc, analyses, (.32) 166. 

 marc, feeding value, (32) 567. 

 mealybug- 

 notes, (35) 357. 



remedies, (35) 54. 



studies, (40) 650. 

 mildew — 



and leafhoppers, combined spray for, (33) 

 642. 



development, (27) 851. 



hybrids resistant to, (33) 854. 



in southwest France, (27) 449. 



notes. (31) 841; (34) 749; (.36) 850; (38) 548; 

 (40) 850. 



relation to smoke, (28) 152. 



resistant varieties, (39) 151. 



studies, (33) 55. 



treatment, (27) 153, 851; (34) 841, 842; (38) 

 47; (40) 843. 

 mosaic disease, notes, (28) 650. 

 must, fermentation under paraffin oil, (35) 617. 

 must, proteolytic enzym in, (27) 803. 

 Oidium — 



notes, (33) 549; (39) 356, 457; (40) 850. 



or powdery mildew, notes, (34) 544. 



relation to weather, (34) 543. 



treatment, (28) 152; (38) 552, 651, 757; (40) 

 2.52, 750. 

 Peronospora — 



disease, studies, (31) 346. 



relation to weather, (27) 547. 



treatment, (29) 449; (30) 448. 

 Pestalozzia rot, notes, (39) 52. 

 phylloxera — see also Phylloxera. 



control in Italy, (38) 58. 



development, (35) 463; (36) 357. 



emergence of first young, (33) 858. 



in California, (35) 646. 



notes, (27) 53; (29) 356; (30) 251, 358, 845; (40) 

 262. 



production of inverted leaf galls by, (29) 854. 



remedies, (34) 249; (35) 358, 658. 



resistance, (30) 145. 



resistance, breeding for, (40) 538. 



resistance of different vines to, (31) 550. 



review of investigations, (35) 658. 



spontaneous distribution, (27) 454. 



studies, (32) 847; (39) 657. 



virginoparous forms, (33) 748. 

 physiology, notes, (29) 439. 

 plume moth, notes, (33) 58. 

 pollen as affected by spraying mixtures, (29) 



839. 

 pourridifi, notes, (26) 750. 

 powdery mildew — 



hibernation, (34) 847. 



notes, (31) 746; (36) 347. 



treatment, (28) 851; (29) 850; (36) 350, 546; 

 (37) 152, 843; (38) 541. 

 red scald, notes, (37) 555. 

 red scald, studies, (28) 55; (30) 452. 

 red spot, treatment, (26) 144. 

 roncet — 



notes, (28) 349, 650, 749; (32) 844. 



studies, (26) 550, 851; (27) 449; (28) 245, 550, 

 851; (29) 349, 551; (30) 353; (31) 245, 645;. 

 (38)151. 

 root borer, notes, (37) 58. 

 root borer, studies, (40) 257. 

 root rot, studies, (32) 149. 

 root weevil, studies, (39) 363. 

 root worm — 



new host plant of, (29) 657. 



notes, (34) 65. 



remedies, (26) 864. 

 rot, studies, (29) 450. 

 rust, notes, (38) 757. 

 rusts in India, (27) 353. 



sap as affected by Bordeaux mixture, (30) 647. 

 scale, studies, (27) 555. 

 scions for American stocks, (27) 644. 

 seed oil, analyses and use, (30) 617. 

 seed, wild, oil of, (34) 501. 

 seedlings, use as scions, (30) 144. 

 seeds, removal from husks, (36) 801. 

 sirup, investigations, (40) 414. 

 skins, isolation of fat from, (29) 459. 



