420 



EXPERIMENT STATION RECORD 



Pear— Continued. 



scab, notos, (34) 84(i; (3(i) .541; (38) 852, 853. 



scab, studies, (33) 148; (35) 351. 



scab, treatment, (27) 143; (.36) 545. 



socdlinss', diLScription. (32) 539. 



seeds, toinposition, (27) II, 



seeds, oil from, (-10) 511. 



Septoiiii lo:if spot, investigations, (33) 347. 



slug in Chile, (40) 048. 



slug, notes, (2«) 146, 863; (27) 53; (28) 563; (2U) 



158; (33) .58; (35) 2.53. 

 slug, remedies, (28) 659. 

 slug, studies, (27) 459. 

 .sooty blotch, notes, (35) ,550. 

 stigmonose, studies, (33) 349. 

 stocks, hlight-resist:mt, (;«>) 51; (39) 346. 

 slocks for apple scions, (37) 40. 

 stocks, quince for, (39) 447. 

 stocks, leasts, (39) 843. 

 stop-back, relation to tarnished plant bug, (40) 



455. 

 sucker, notes, (34) 451. 

 thrips— 



California, in Maryland, (33) 253. 



control in British Columbia, (37) 55, 462. 



distribution of pear blight bv, (33) 149. 



life history and habits, (32) 850. 



life history and remedies, (27) 358. 



notes, (28) 158; (29) 252; (30) 656; (31) 548; 

 (33) 252; (34) 752; (36) 856. 



remedies, (27) 54; (38) 259; (40) 163. 



studies, (27) 1,56; (37) 2.57; (40) 547. 

 tree borer, sinuate, description, (35) 55. 

 tree borer, sinuate, notes, (26) 61; (36) 856. 

 tree slug, notes, (38) 469. 

 tree trunks, introduction of solutions into, (36) 



740. 

 tree wood and bark, composition, (26) 407. 

 trees, potassium cyanid inoculation, (39) 225, 



762. 

 weevil, oviposition, (39) 363. 

 wine, preparation, (27) 412. 

 Pearl disease and tuberculosis; (.30) .582. 

 Pearline as an insecticide, (36) 753. 

 Pears- 

 acidity, (32) 110; (37) 714. 

 and apples, handbook, (26) 45. 

 as affected by foreign pollen, (.30) 739. 

 as affected by moistui-e supply, (32) 638. 

 Bartlctt, keeping qualities, (34) 738. 

 Bartlett, ripening, (36) 536. 

 Bartletl, storage, (40) 838. 

 belting, (27) 349. 

 blight-proof, tests, (;«) 338. 

 blight resistant— iff also Pear blight. 



from China, (34) 55. 



origin and development, (36) 641. 

 blooming dates, (31) 140, .533. 

 breeding, (36) 444. 



breeding experiments, (35) 743; (39) 542. 

 breeding for blight resistance, (39) 346. 

 buprestid beetle affecting, (26) 61^ 

 butter, parthenocarpv in, (36) 331. 

 Chinese wild, tests, (35) 447. 

 cider, propagation, (34) 8.34. 

 conservation without use of sugar, (38) 716. 

 cooking qualities of different varieties, (32) 560, 

 cost of production, (29) 439. 

 critical months, (39) 811. 

 cross pollination, (27) 598; (30) 643; (38) 345. 

 crosshreediug experiments, (.36) 742. 

 crown gall affecting, (28) 447. 

 culture, (27) 40; (34) 833. 

 culture — 



experiments, (28) 236; (39) 347. 



in California, (.39) 446. 



Mesa County, Colo., (37) 241. 

 New York, (35) 836. 

 Ontario, (37) 544. 

 southern Texas, (32) 539. 

 southern Utah, (.30) 41. 

 Uruguay, (32) 745. 

 western Nebraska, (32) 233. 

 diseased, jilaster cast of, (31) 748. 

 dried, analyses, (30) 861. 

 dried, preparation and use, (29) 462. 

 drying, (37) 114, 509. 

 fall V. spring planting, (26) 2.38; (37) 743. 

 fertile and self-sterile varieties, (40) 638. 

 fertilizer experiments, (29) 539; (31) 534; (39) 347 

 fibro-vascular system, (27) 638; (29) 542. 



Pears— Continued. 



from frost-killed pistils, (32) 841. 



frost injuries, (2(;) 749; (29) 547. 



frost rings on, (26) 244. 



frozen, as afl'ected by rapid thawing, (32) 43. 



greening of wood, (29) 649. 



growing on grass land, (26) 639. 



growth as affected by meteorology, (29) 510. 



harily and blight-resistant, breeding. (40) 446. 



harvesting and storage, (39) 844. 



host of Archips argyrospila, (27) 160. 



identification and cla.ssiflcation, (36) 641. 



index to varieties, (26) 441. 



inheritance of russet skin in, (28) 7;J4. 



inoculation experiments with brown rot fungus, 



(33) 247. 

 insects affecting, (29) 756; (30) 753; (34) 833; (38) 



460, 843. 

 internal structure, (36) 41. 

 irrigation experiments, (27) 743; (32) 638. 

 keeping quality as affected by fertilizers, (27) 



644: (29) 640. 



LeConte, somatic segregation of characters in, 



(32) 637. 

 marketing cooperatively, (29) 302. 

 methods of drying, (27) 146. 

 new, descriptions, (29) 436, 838. 

 nomenclature. Australian, (39) 844. 

 nutrient injections in, (27) 48, 538. 

 occurrence of glucosid in, (26) 327. 

 of Germany, (33) 838. 

 of North America, (36) 742. 

 oriental, and their hybrids, (29) 541. 

 oriental peach moth on, (39) 250; (40) 756. 

 packing, (29) 838. 

 parthenocarpy in, (34) 220. 

 parthenogenesis in, (29) 837. 

 planting with dynamite, (35) 236. 

 pollination, (27) 744; (31) 534; (34) 233, 341; (37) 



40; (40) 638. 

 precooling and storage investigations, (28) 829. 

 preservation, (29) 312. 

 preservation by pressure, (32) 410. 

 preserved, valuation, (34) 256. 

 pruning, (30) 739; (33) 837. 

 pruning and training, (37) 344. 

 reducing and nonreducing sugars in, (29) 503. 

 ringing experiments, (32) 636. 

 ripening in relation to humidity, (36) 741. 

 seedless, notes, (30) 642; (34) 234. 

 seedling, variations in, (30) 144. 

 sod mulch v. clean culture, (33) 43. 

 spray schedules, (39) 39, 140. 

 spraying, (37) 744. 

 spraying experiments, (27) 143, 439; (28) 652; (30) 



641; (34) 147. 

 spraying with lime arsenate, (40) 164. 

 spring v. fall planting, (33) 439. 

 stimulation of sap flow by nutrients, (27) 538. 

 stocks for, (32) 337; (40) 444. 

 susceptibility to bitter pit, (31) 244. 

 temperatures injurious to, (27) 413, 439. 

 tree census in Washington, (40) 340. 

 varieties, (30) 739; (33) 534; (37) 241; (38) 41; (39) 



445, 844. 



for Australia, (29) 340; (39) 844. 

 Missouri, (40) 341. 

 New Jersey, (33) 439. 

 Ohio, (37) 241. 

 Pacific Northwest, (29) 745. 

 western Washington, (33) 44. 

 in Oklahoma, (27) 241. 

 resistant to disease, (29) 246. 

 vegetable, notes, (29) 461. 

 winter injury, (35) 143; (40) 835. 

 wound stimulation and closure in, (26) 826. 

 Peas- 

 Alaska, amino nitrogen in, (33) 222. 

 Alaska, breeding experiments, (40) 740. 

 alcoholic fermentation in, (26) 731. 

 analyses, (32) 171; (34) 469; (40) 5,57. 

 and cereals as hay mixture, (39) 333. 

 and oats — 



as hay crop, (39) 336; (40) 730. 

 as silage crop, (40) 731. 

 for hay or silage, (32) 430. 

 seeding experiments, (37) 640. 

 yields, *(40) 735. 

 aphids affecting, (28) 556; (31) 452. 



