160 



EXPERIMENT STATION EECORD 



Citric acid— Continued, 

 effect on — continued. 



germination of seeds, (36) 29. 

 nitrification in soils, (28) 218. 

 extraction with ether, (37) 414. 

 fermentation in milk, (26J 112. 

 formation from glycerin by fungi, (30) 805. 

 from limes and lemons, (33) 540. 

 in wines, (32) 613; (36) 808. 

 methods of analysis, (27) 205. 

 solubility of mineral phosphates in, (30) 721. 

 to.\icity, (28) 661. 

 Citricola scale — 



control, (39) 461, 463. 

 notes, (34) 255. 

 studies, (331 558. 

 Citriculture, summer practice course in, (34) 292. 

 Citromyces— 



glaber, proteolytic activity, (40) 721. 

 n.spp., descriptions, (27) 543. 

 siderophilus, notes, (27) 527. 

 spp., behavior in iron solutions, (27) 527. 

 spp., notes, (28) 562. 

 spp., relation to Penicillium, (38) 448. 

 spp., studies, (29) 547. 

 Citron- 

 candied, analyses, (26) 157. 

 candied, labeling, (27) 269. 

 dried, preparation and use, (29) 462. 

 food plant of portable scale, (26) 756. 

 preserving, calcium content, (39) 747. 

 Citronella — 

 grass- 

 fertilizer experiments, (36) 332. 

 insects affecting, (28) 249. 

 residue, analyses and fertilizing value, (36) 

 417. 

 oil, production, (36) 417. 

 Citronellal, determination in essential oils, (28) 114. 

 Citro-phosphate solutions, nature of, (32) 115. 

 Citropsis spp., studies, (30) 643. 

 Citrullus — 



spp., analyses and digestibility, (27) 871. 

 vulgaris, analyses and digestibility, (32) 167. 

 vulgaris, notes, (29) 362. 

 Citrus- 



anthracnose, notes, (29) 650. 



aphis, notes, (26) 755. 



Armillaria root rot, (39) 152. 



aurantium, betains in, (27) 204. 



aurantium, isolation of stachydrin from, (26) 



107. 

 bacterial disease, new, studies, (37) 153, 154. 

 bacterial spot, studies, (38) 552, 553. 

 bark disease in Florida, (35) 850. 

 bark rot, studies, (35) 249. 

 black — 



blight, notes, (30) 746. 

 fly, see Aleurocanthus woglumi. 

 scale, remedies, (39) 461. 

 spot and brown spot, treatment, (37) 352. 

 blast in California, (39) 252. 

 blast, notes, (38) 354. 

 blast, studies, (37) 153. 

 butterfly, notes, (34) 851. 

 canker — 



cause, (33) 149. i 



control, (39) 56, 252, 253, 458, 857. 

 control in Florida, (36) 52, 352; (37) 556. 

 control in Porto Rico, (33) 441. 

 description, (35) 656. 

 eradication, (37) 556. 

 identification, (36) 352. 

 in Alabama, (33) 248. 



Florida and the Gulf States, (33) 149. 

 Philippines, (36) 651; (37) 745. 

 South Africa, (37) 657. 

 inoculation experiments, (37) 843. 

 n.sp., description, (33) 149. 

 notes, (32) 53, 245, 648; (34) 649, 848; (.37) 556, 



657; (39) 152, 850, 864; (40) 349. 

 quarantine in United States, (36) 245. 

 resistance of tangelos to, (40) 247. 

 studies, (31) 54; (32) 345; (34) 447; (35) 152, 

 550, 850; (36) 850, 851; (37) 656, 843; (39) 

 253, 457, 458, 757, 857: (40) 544, 851. 

 chlorosis, description, (28) 850. 

 collar rot. notes, (40) 748. 

 crown gall, (28) 447. 



Citrus— Continued, 

 die-back— 



cause, (31) 450. 



cause and treatment, (38) 151 . 

 in Queensland, (33) 56. 

 notes, (27) 344. 

 studies, (29) 237, 248. 

 Diplodia disea.ses, (39) 152. 

 diseases— 



and pests, relation to Argentine ant, (39> 



155 

 in Florida, (40) 158. 

 Isle of Pines, (34) 446. 

 Jamaica, (35) 458. 



Porto Rico, (35) 748; (37) 246; (40) 47, 52. 

 West Indies, (37) 452. 

 Western Austraha, (33) 846. 

 notes, (26) 549; (27) 50, 750; (29) 350; (31) 152,. 

 244, 645, 646; (37) 656; (39) 56, 149, 753? 

 (40) 155. 

 studies, (27) 50, 350; (32) 238; (33) 55, 149^ 

 549, 649; (34) 446; (35) 849; (39) 457. 

 fruit- 

 juices, analyses, (31) 461. 

 juices, preparation, (33) 316. 

 rot, investigations, (32) 346. 

 rot, notes, (31) 750. 



rots, descriptions and treatment, (28) 245. 

 stain, notes, (34) 354. 

 fruits— see also Lemons, Oranges, etc. 

 abnormal water relations, (37) 834. 

 action of vanillin and limestone on, (37) 656. 

 Argentine fly on, (40) 758. 

 fruits as afl'ected by- 

 freezing, (40) 247, 539. 

 kerosene oil and alcohol, (27) 145. 

 oil insecticides, (29) 354. 

 fruits- 

 asexual reproduction of seeds, (31) 533. 

 bibliography, (26) 441; (28) 742. 

 blemishes, notes, (26) 549. 

 breeding, (27) 441. 

 bud variations in, (36) 538. 

 budding, (32) 143. 

 budding and grafting, (39) 243. 

 changes in during ripening, (29) 641. 

 cost of distributing, (33) 141. 

 cost of production, (37) 144. 

 cotton stainer injury, (40) 353. 

 cover crops for, (33) 535; (34) 344, 736. 

 cull, utilization, (37) 313. 

 culture, (35) 542, 840; (37) 345; (38) 40, 446. 

 fruits, culture — 



experiments, (27) 744; (28) 142; (31) 441; (38) 



845. 

 in Brazil, (36) 241, 743. 

 Florida, (33) 642. 

 Gulf States, (29) 542. 

 Japan, China, and Formosa, (37) 834. 

 lower Rio Grande Valley, (26) 47. 

 New South Wales, (33) 841. 

 Philippines, (30) 644; (34) 635; (37) 745. 

 Spain, (32) 236. 

 Surinam, (38) 43. 

 Transvaal, (37) 545. 

 treatise, (30) 444. 

 fruits — 



cytological and experimental studies, (28> 



524. 

 dying in Queensland, (35) 654. 

 enemies of, (28) 352. 



fertihzer experiments, (27) 344, 350, 841; (29) 

 237, 637; (31) 634, 723, 742; (33) 24, 48, 241, 

 535, 642; (35) 448, 839; (36) 139; (37) 43, 

 649; (39) 448. 

 fertilizer needs in Porto Rico, (40) 44. 

 fertilizers for, (36) 743; (38) 144. 

 freeze injury, (39) 448, 843. 

 frost damage in transit, (37) 649. 

 frozen, greening, (28) 662. 

 frozen, separation by floating, (30) 206. 

 fumigation, (31) 550; (37) 634; (40) 855. 

 fumigation in Spain, (28) 754. 

 green manuring experiments, (39) 31 

 handling, (32) 234. 

 fruits, handling— 



and packing, (39) 545. 

 and shipping, (34) 235. 

 and storing, (31) 338. 

 in Italy, (26) 47. 



