SUBJECT INDEX 



465 



Potatoes— Continued, 

 growth— continued. 



in artincial light, (28) 735. 



relation to temperature and moisture, 



(40; 19. 

 shade, (29) 130. 

 of basal and terminal buds, (39) 536, 629. 

 on acid soil, (40) 324. 

 hail injury to, (35) 734. 

 handling and marketing, (36) 136. 

 handling and storing, (39) 149. 

 harvesting and storing, (30) 197; (36) 336. 

 harvesting experiments, (26) 836. 

 hereditary characters in, (28) 632. 

 home-mulched v. northern seed, (32) 631; (33) 



336. 

 hypertrophy-structure in, (27) 151. 

 identification of varieties, (33) 297. 

 immature, for seed, (37) 337. 

 importance of clean seed, (37) 96. 

 improvement, (26) 437, 636; (28) 43; (-32) 830; 



(38) 827. 

 improvement by seed selection, (32) 230, 630. 

 improvement, tuber-unit method, (28) 835. 

 in the dietary, (33) 695. 

 ingrowing, sprouts of, (26) 828; (28) 734. 

 inheritance of high starch content, (27) 500. 

 insects affecting, (26) 553, 631; (29) 259, 3.36; (30) 



240, 753; (31) 232; (33) 352; (36) 550; (37> 157; 



(38) 558; (39) 3.58, 461, 466, 861; (40) 753. 

 internal spotting, (27) 349. 

 irrigated, manuring experiments, (40) 421. 

 irrigation, (28) 484; (29) 736; (31) 328; (39) 442. 

 irrigation experiments, (27) 531; (28) 130, 133, 



135, 230, 588, 827; (29) 32, 138, 182, 226, 425, 426; 



(32) 37, 186, 225, 531; (33) 286, 827, 884; (34) 229, 



721; (35) 636; (36) 35; (37) 30, 37, 84, 740, 822; 



(38) 320, 633; (39) 132; (40) 331. 

 judging, (36) 97. 

 lady beetles affecting, (30) 255. 

 lessons on, (28) 598. 

 liability to disease, (40) 157. 

 lightning injury, (33) 345; (40) 645. 

 lime for, (28) 223. 



liming experiments, (29) 223; (37) 733. 

 lining and loading cars, (40) 138. 

 loss in boiling, (34) 660. 

 manurial value of tops, (39) 836. 

 market types, (38) 535. 

 marketing, (31) 893; (33) 40, 693; (34; 288; (38) 



535, a34. 

 marketing cooperatively, (29; 392; (33) 491; (34) 



288. 

 methods of analysis, (28) 510. 

 methods of variety testing, (26) 436. 

 microscopic tests, (27) 341. 

 mulching experiments, (33) 526. 

 mutation in, (31; 137. 

 nematodes affecting, (26) 748. 

 new nematode infesting, (38) 147. 

 notes, (29; 338. 

 on Caribou loam, (39) 335. 

 origin, (26) 529; (31) 137, 833. 

 origin and early culture, (38) 332, 535. 

 origin of cultivated varieties, (28) 530. 

 osmotic pressure in, (30) 228. 

 oxidases in, (26) 547; (31; 748. 

 Pearl, bastard type, (31; 833. 

 phloem necrosis in, (33) 52. 

 phosphorus content, (2T) 461. 

 physiological abnormalities of, (30) 747. 

 • planting- 

 dates, (37) 317, 732; (40) 31, 431. 

 dates and distances, (40) 630. 

 experiments, (26) 833; (31) 132; (37) 538; (38) 



634. 

 whole V. cut tubers, (38) 534. 

 potash fertilizers for, (26) 526. 

 potash hunger, (37) 800. 

 preparation for exhibition, (28) 738. 

 preservation, (39) 316. 

 preservation by pressure, (32) 416. 

 preservation with lactic acid starter, (31) 467. 

 production— 



and consumption, (39) 838. 



in 1911, (26) 595. 



in United Kingdom, (26) 793, 



Potatoes— Continued . 

 production — continued. 



in United States, (26) 293. 



1918 program, f38) 834. 

 propagation by cutting, (36) 636. 

 protection against frost, (27) 421. 

 purin content, (40; 205. 

 quality as affected by weather, (26) 415. 

 fjuarantine regulations, (31) 149. 

 radioactive fertilizers for, (31) 129; (35) 628. 

 raising, Illustrated lecture, (39) 498. 

 rate of seeding tests, (27) 335. 

 raw, antiscorbutic value, (40) 565. 

 rejuvenescence, (30) 730; (40) 732. 

 relation between size of seed and yield, (26) 434. 

 relation of nitrogen to protein content, (28) 83ft. 

 relation of tops to roots, (31) 733. 

 relation to climate, (28) 27. 

 relative yielding capacity, (40) 625. 

 removal of blossoms, (40) 138. 

 respiration and decay, (29) 565; (32) 111. 

 respiration investigations, (34) 523. 

 rest period in, (30) 825; (32) 129; (36) 223; (40) 224. 

 root systems of, (31) 515. 

 rotation experiments, (33) 429, 829; (36) 528, 829; 



(38) 129; (40) 229, 331, 430, 734. 

 score card for, (28) 43. 

 second crop, (39) 341. 

 seed — 



certification, (33) 336; (38) 535; (40) 846. 



certification in Germany, (34) 444. 



cold storage v. cellar storage, (29) 336. 



cutting and sprouting, (40) 135. 



disinfection, (32) 528. 



for fall planting, (38) 535. 



for Ontario, tests, (39) 838. 



formaldehyde disinfection, (30) 539, 540. 



from light soils for heavier soils, (33) 631. 



from sprayed plants, (40) 732. 



Government farm in India, (40) 625. 



growing in Nova Scotia, (38) 646. 



handling and storing, (28) 638. 



improvement, (29) 2.30; (37) 823. 



inspection and certification, (31) 345. 



inspection in Wisconsin, (31) 736. 



judging, (28) 243. 



local V. imported, (29) 331; (40) 434. 



peelings and cuttings for, (40) 138. 



plat method of improvement, (39) 740. 



preparation, (39) 536, 740; (40) 135, 630. 



production, (37) 753, 800; (39) 841. 



production and handling, (29) 141. 



propagation, (39) 534. 



selection, (28) 535, 738; (29) 37; (30) 197, 228, 

 637; (34) 338, 494; (35) 396, 696; (36) 638. 



selection and preparation, (32) 739. 



selection and treatment, (31) 333. 



sprouted v. unsprouted, (28) 535; (30) 333» 

 832. 



sprouting before planting, (32) 35; (33) 331; 

 (34) 530. 



storage, (38) 437. 



tests, (39) 131, 334, 337, 535, 740. 



treatment, (39) 337, 740, 755; (40) 51, 450, 734, 

 746, 847. 

 seeding experiments, (29) 224, 226, 425; (30) 134; 

 (33) 227; (38) 132, 534; (39) 127, 337, 536; (40) 

 732 734. 

 seeding experiments with skins, (39) 537. 

 seedling, culture, (31) 643. 

 selection, (38) 197; (39) 541. 

 selection experiments, (33) 233, 526, 698; (37) 32, 



228, 240; (38) 433; (39) 740; (40) 429, 523. 

 selection of edible types, (30) 39. 

 sensitivity to poison, (35) 457. 

 small V. large tubers for planting, (33) 834. 

 Solanum commersonii resembling, (28) 130. 

 spraying, (29) 194; (37) 538; (38) 135; (39) 345, 541; 

 (40) 747, 748. 



^^^^Spfriments, (27) 237, 738; (28) 346, 433; (29) 

 845; (30) 49, 449, 847; (31) 137; (32) 158, 229, 

 431, 444, 547; (33) 40, 336; (35) 527, 831; (36) 

 49, 847; (37) 228; (38) 235; (39) 337, 755, 853. 

 V. dusting, (32) 551; (33) 3.36, 636; (34) 158. 

 with Bordeaux mixture, (26) 548. 

 with lime arsenate, (40) 164. 

 sprouted, food poisoning by, (40) 557. 



