Association Business AMERICAN POTATO JOURNAL SUBJECT AND AUTHOR INDEX VOLUME 69, 1992 Subject Index Abrasive peel test, 423, 426, 428 Mehlich I solution, 98 Aerial tubers, 646 Mercaptoethanol, 23 Aerobic wound induced soft rot resistance, Methyl bromide, 494 239, 241, 242, 244-247 MgCl,, 24 Analysis (sugars), 807 Monobromoethane, 438 Atlantic model, 356-359 NaCl, 23 Atomic absorption spectroscopy, 98 NaN,, 24 AUDPC’s disease progress curves, 638-640 Pectinase, 23 Bacteria Phosphate buffer, 23, 365 Clavibacter michiganensis, 290, 363 Polyethylene glycol, 23 Corynebacterium sepedonicum, 289-296, 363- Rindite, 438 366, 370, 631 Sodium bicarbonate, 24 Erwinia carotovora subsp. carotovora, 39-41 Sodium carbonate, 655 Erwinia carotovora subsp. carotovora Sodium diethyldithiocarbamate (EC14), 239-251 (NaDIECA), 21 Erwinia chrysanthemi, 240 Sodium hypochlorite, 88, 107, 241, 266, Bacterial ring rot immunity/tolerance, 290 365, 646 Bacterial ring rot susceptible cultivars Sorbitol, 550 grown in Idaho, 303 Sulfuric acid, 655 Beetle eater, 158 Tween, 3, 20, 23, 133, 549 Blackspot index, 424, 426, 429-431 ZnCl,, 24 Blackspot index for 12 cultivars grown in Chemical maturity of cultivars, 806, 812, Idaho, 428 814 Blackspot susceptibility, 423-425, 430, 434 Clonal selection for late blight resistance, British Mycological Society key, 637 187, 190, 191 Bromoethane adsorption, 437 Comparison of 2 strains of Corynebacterium Bromoethane properties, 438, 439 sepedonicum for pathogenicity, 295 (CELSS) controlled ecological life support Consumer preference for round whites, 13, systems, 230 16, 17 Chemicals Consumer ratings of round whites, 13, 16, Ammonium sulfate, 492 17 Antibody stain, 289, 292 Consumer satisfaction with round whites, Bromoethane, 437-439 1S, 15, 37 Bromic ether, 438 Crop rotation (nonhost) effects on V. Butanol, 23 dahliae, 495-499 Carbon disulfide, 438 Crop water stress, 831, 832 Chloroform, 23 Crop water stress index, 831-840 Cycloheximide, 241, 242, 247 Cultivar response to continuous light, 232, Disodium ethylenediaminetetracetate 233, 235 (EDTA), 23 Cultivar response to high temperatures, Ethanol, 24 232, 233, 235 Ethyl bromide, 438 Cultivars used in CELSS studies, 232 Ethylene chlorohydrin, 437 Dean model, 356-359 Hydrobromic ether, 438 Defoliation by hail, 705, 706, 712 Hydrochloric acid, 24 Diseases Maleic hydrazide, 28 Blackspot, 633 854 AMERICAN POTATO JOURNAL Blackspot bruise, 428, 791 Agtron E-10 colorimeter, 386 Black scurf, 645-650, 791 Agtron ESF colorimeter, 647 Bacterial ring rot, 289-296, 363, 791 CR-5 data recorder, 655 Bacterial soft rot, 39, 40, 239, 251, 791 Cryovac D-955 film wrapper, 276 Common scab, 331, 516, 517, 631, 846 Dynatech Immulon immunoplates, 21, 24 Dark-end tubers, 419 GA-7 Magenta vessel, 463 Disease reactions of Ranger Russet and Glucose analyzer YSI-2000, 386 Russet Burbank, 487 Home fryer model DCP-6, 527 Fusarium storage rots, 179, 185, 483, 791 Infared thermometers, 823 Fusarium spp., 179 Ion-exchange columns HPX-87H, 528 Hollow heart, 519, 537-539, 633 LI-3000 leaf area meter, 655 Internal blackspot, 423, 424, 430, 488, Microprocessor conviron model 547, 548 CMP2023, 145 Internal brownspot, 223, 353, 354, 486 Multi-point temperature recorder model Internal heat necrosis, 355-356 KS8237, 145 Late blight, 187, 190, 846 Multi-vapor lamps, 291 Late blight storage rot, 187, 190, 192 Neutron probes, 795 Leafroll, 484 OX300 biological oxidizer, 656 Net necrosis, 483 Photosynthesis meter Li-Cor-LI-1600, 539 Physiological disorders, 353, 355, 791 Refrigerated storage conviron model Rhizoctonia, 516, 517 C1112, 145 Verticillium wilt, 105, 106, 110, 372, 376, Scintillation spectrometer, 656 483, 484, 486, 491, 503, 507, 509, 516, Evapotranspiration (ET), 832 517, 801, 802 Fertilization Disease resistant cultivars, 636 Calcium fertilization, 95, 96, 561, 569 Disease severity (BRR) ratings, 365, Effect on bacterial ring rot potential, 367-369, 637 39, 40, 44-48 Disease symptom expression, 363, 364 Calcium and potassium concentrations in Donor plants, 131, 135 petioles, 98-101 Dormancy release technology, 437-445 Calcium placement, 95-97, 103, 562, 569 Dry matter accumulation 653-657, 660, Nitrogen fertilizer, 309, 633 667, 673 Nitrogen recovery, 309 Dry matter distribution, 653-657, 660 Osmocote fertilizer granules, 291 Electrophoresis, 629, 634, 791 Potassium fertilization, 95, 96, 103, 669 Enzymes Effect on bacterial ring rot potential, Arachidonic acid, 105 39, 43-45, 47, 48 Cellulases, 240, 249 Starter nitrogen, 311 Cycloheximide, 241, 242, 247 Supplementary nitrogen, 311 Elicitors, 105 Fertilizer materials ELISA, 161 CaNog, 40, 47 Enzyme analysis, 242 CaSO, 3S, 40, 46, 95 Lipoxygenase, 105, 106, 110 F503G, 97 Nicotinamide-adenine dinucleotide Gypsum, 41, 95 phosphate (NADP), 22 K,SO,, 97, 196, 197, 563 Pectate lyases, 240, 249 MgSO,, 47, 97 Peroxidase, 105, 106, 113 NH,NO,, 47, 97, 196, 197, 310, 373, 669 Proteases, 240, 249 Osmocote granules (14-14-14), 364 Phospholipases, 240, 249 Superphosphate, 196, 197, 369, 373 Equipment Fissured (cracked) tubers, 645-650 6300 Weldotron film magna-lock sealer, Freezing damage to seed potatoes, 143 276 Fumigants 7001 Weldotron heat-tunnel shrinker, 276 DD-PIC, 492, 493 1992) ASSOCIATION BUSINESS 855 Telone C-17, 492 Gibberellin inhibitors, 133, 134, 138 Telone II, 492 Indole-3-acetic acid (TAA), 1, 3, 265, 267 Fumigation, 489, 491, 495 Kinetin, 265, 267 Effects on Verticillium dahliae, 495, 496, a-naphthaleneacetic acid (NAA), 1, 3 499, 500 Rindite, 438 Fungi Triazole compounds, 131 Alternaria solani AG-4 , 512, 631, 791 Growth retardants, 131, 133 Anthracnose, 548 Growth stages of potato, 705-709 Colletotrichum atramentarium, 547 Growth stunting under continuous light, Colletotrichum coccodes, 547-555 231 Colletotrichum lindemuthianum, 114 Hail damage (simulated), 705-714 Fusarium dry rot, 483 Hail machine, 708 Phoma exigua var. foveata, 114 Heat necrosis, 221, 222, 226, 227, 515-517 Phytopthora infestans, 114, 187, 189, 190, Influence of location on incidence of heat 631, 635, 636 necrosis, 221, 226, 227 Phytophora infestans isolates, 637, 640-642 Influence of tuber size on incidence of Rhizoctonia solani, 645 heat necrosis, 221, 226, 227 Rhizoctonia AG-3, 646, 647 Influence of year on incidence of heat Verticillium albo-atrum, 106, 483, 484, 491 necrosis, 221, 226, 227 Verticillium dahliae, 105, 106, 110, 371, Heat sprouts, 797-799 373-375, 378-382, 489-500, 503-512, Heat stress, 653-656, 664, 668, 674 548, 551-555, 557 Heat-sum modeling, 353-359 Verticillium spp., 107 Heat-temperature effects on- Fungicides Canopy development, 667, 671-674 Bravo 500, 386 Cultivar development, 667, 668, 674 Captan, 794 Dry matter accumulation, 667, 673 Dithane M45, 386 Heat tolerance, 654 Mancozeb, 98, 669 Herbicides Ridomil MZ-58, 386 2, 4D, 492 Gelling agents, 461, 463 Alachlor, 492 Gelling agent effects on tuberization, 464, Diquat, 172, 189, 386, 647 465 Linuron, 167-173 Glycoalkaloids, 515, 517, 631, 693, 694, Metolachlor, 167-173, 386, 631 700-702, 846 Metribuzin, 189, 386, 547, 551, 554, 555, Chaconine, 846, 693-700 557, 631 Solanine, 846, 693-700 Prowl, 97 Glycoalkaloid analysis, 695 Sencor, 97, 167, 173, 189, 631 Greening problems, 515 Sethoxydim, 167-173 Growth of potato plants by seed size, 1 17, Herbicide application methods 122, 123 Post emergence, 168-174 Growth regulation, 265-273 Pre-emergence, 169-174 Growth regulators Pre-emergence (delayed), 168-174 BAS-106, 133, 137 Pre-plant incorporated, 168-174 BAS-111, 133, 137 Herbicide timing, 654 Benzylaminopurine (BAP), 1, 3 High minimum temperatures, 353 Bromoethane, 437-445 High temperature cultivar yields, 231 Colchicine, 2 Hilling potatoes, 167, 168 Cycocel (CCC), 133-136, 138 Hollow heart screening, 540, 541, 543 Cytokinin, 132, 463 Host resistance stability, 635, 636, 641, 642 Gelite, 461, 462, 466 HPLC procedure, 427, 433 Gibberellic acid (GA), 1, 3, 132-137, 265, Hydrated lime effect on suppressiveness of 267 verticillium wilt, 511 856 AMERICAN POTATO JOURNAL Hypoxic conditions, 240-246 Late blight epidemics, 636, 638 Hypoxic resistance to soft rot, 239, 242-251 Late blight pathosystem, 635, 636 Hypoxic stress, 239, 244, 249-251 Leaf-bud cuttings, 131 Impact bruise test, 424, 426, 428 Leafhopper population ratings for nymphs Induced and non-induced leaf-buds, 131, and leaf necrosis, 396 135, 136 Lesion nematode expression, 371, 373 Inducing conditions, 132, 133, 136 Malformed tubers, 645-650 Influence of nitrogen fertilization on true Marketing studies, 13, 14, 15 potato seed quality, 85, 87, 89-91 Mass multiplication of nuclear seed stocks, Insects 462 Aphids, 157, 162-164, 493, 843, 845 Media Aphis nasturtii, 158 Ethanol-streptomycin agar, 507 Arachnida, 162 “Jiffy” peat pellets, 449 Chrysopidae, 163 Luria-Bertani broth, 241 Coccinellidae, 163 Metro-mix 200, 291, 292, 364 Colorado potato beetle, 157, 158, MS medium, 3 162-164, 394, 473, 474, 493, 843, 845 Murashige-Skoog salts, 265, 266 Colorado potato beetle biology, ecology, Nutrient broth yeast extract, 292 and control, 474, 480 Perlite, 133 Colorado potato beetle density and Potato dextrose agar, 549 mortality in overwintering adults, Rye A agar, 637 475-479 Streptomycin-penicillin G-ethanol Colorado potato beetle phenology, 474, medium, 493 476 -8 juice medium, 637 Colorado potato beetle population Yeast extract agar, 364 dynamics, 473, 474, 479 Metribuzin sensitivity, 383 Empoasca fabae, 391, 392, 693 Microsclerotia, 503 Flea beetles, 843, 845 Microtubers, 462, 463, 468 Golden nematode resistance, 266 Nematodes Leafhopper, 391, 392, 693, 695, 843, 845 Globodera rastochiensis, 845 Leptinotarsa decemlineata, 157, 158, 394, Pratylenchus spp., 371-373 473, 477, 843 Pratylenchus neglectus, 371, 372, 374-379, Macrosiphum euphorbiae, 158, 163 382 Potato tuber moth, 843, 845 Pratylenchus penetrans, 371, 372, 375, 378- Insecticides 382 Bacillus thuringiensis, 394, 695 Nitrogen rate for Spartan Pearl cultivar, 790 Deltamethrin, 189 Non-inducing conditions, 132, 133, 136 Disulfoton, 373 Optimal irrigation, 414, 420 Endosulfan, 189 P.A.A. Affairs Methamidophos, 493 Abstracts of papers presented at 76th Temik, 99, 372, 374, 378, 386, 493 Annual Meeting of P.A.A., 571-618 Systemic insecticide-nematicide, 379, 380 Announcement of 3rd International Intercropping systems with maize and faba Symposium on the molecular biology of bean, 195-200 the potato, 804 Internal heat necrosis, 353, 355-361 Annual Meeting abstract forms, 781 Irradiation injury, 231 Book review - Potatoes of South America- Irrigation deficits, 413, 793, 794 Bolivia, 51 Irrigation management, 413, 414, 417, 420, Call for Graduate Student papers for 1993 832 Annual Meeting, 779, 849 Irrigation timing, 413, 420, 793 Call for nominations for Honorary Life In vitro culture technique for late blight Members, 781, 851 resistance, 187, 190, 191 Call for papers for 1993 Annual Meeting, 1992) ASSOCIATION BUSINESS 777, 847 Amaranthus spp., 196 History of the P.A.A. Certification Section Barley, 491 from 1968 to 1991, 401 Bean, 114, 196 Honorary Life Members for 1992: Black nightshade, 548 James E. Bryan, 619 Buckwheat, 646 Henri Genereux, 620 Bluegrass, 491 Kenneth W. Knutson, 621 Capsicum annuum, 114 Harrison McCain, 623 Eggplant, 291 Wallace McCain, 623 Field peas, 491, 493, 489, 492-494 Index to A.P.J. Volume 68 (1991), 55 Glycine max, 196 Index to A.P.J. Volume 69 (1992), 852 Lycopersicon peruvianum, 4 Minutes ofC ertification Section Meeting Mung bean, 491, 494 in Vancouver, B.C., Canada, Nov. 1990, Nicotiana plumbaginifolia, 9 155 Pepper, 548 Obituaries Phaseolus vulgaris, 114, 196 James Fontenot, 205 Physalis floridana, 23 Ted Still, 411 Pisum sativum, 196 Harvey O. Werner, 53 Sorghum, 491 P.A.A. 76th Annual Meeting Program, 337 Squash, 548 Potato research in hot climates held in Sugar beet, 491 Nahal-Oz, Israel, 1992, 203 Sudan grass, 489, 492-494 Preregistration for 76th Annual Meeting, Tomato, 548 207 Velvetleaf, 548 Proceedings of 2nd Conference on Vicia faba, 195, 197, 200, 201 pinkeye disease of potatoes, 149 Wheat, 491, 489, 494 Special invited papers for the Symposium Winter rye, 646 on Maintaining Potato Productivity into Zea mays, 195-201, 491 the 21st Century, 715 Planting speed, 32 Soil resources: What is needed and how Plant transpiration, 537-539, 544 do we maintain these resources, 717 Plot design to compare yield and quality, A case history: Hundred years of potato 315 production in Europe with special Potato breeding reference to the Netherlands, 731 2 diploid clones, 1, 2, 3 Potato nutritional management 4 diploid clones, 1, 2, 3 changes and challenges into the next Androgenesis, 2 century, 753 Anther donors, 457 Future challenges in managing potato Breeding for resistance to potato health, 769 leafhopper, 393 Perimedullar tissue expansion, 537, 538 Chilean germplasm, 827 Physical adjustments of planters, 32, 38 Chilota collection, 827-829 Physiological disorders, 221, 222, 353-355, Chimeras, 2 791 Chromosome doubling, 1, 8 Blackspot bruise, 488 Clonal differences, 309 Hollow heart, 483, 484 Collection of clones resistant or tolerant Sugar ends, 484, 486 to bacterial ring rot, 294 Pico-Tag procedure for tyrosine Correlation of yields and specific gravity determination, 426 of tuberlings and second year clones, Pith tissue, 537, 538 817-826 Planter performance, 31 Evaluation of Russet Burbank clones, Plant spacing, 633 300-307 Plant species Female fertility of doubled monoploids, Alfalfa, 490 453 858 AMERICAN POTATO JOURNAL Fertility of doubled monoploids, 447-457 366, 549 First division restitution (FDR), 448, 449 Bintje, 229-236 Flower induction in vitro, 266 Butte, 371, 379, 381, 484, 549, 550, 554, Flowering potential of doubled 563 monoploids, 449, 451 Cardinal, 669 Fruit and seed set of doubled Centennial Russet, 333, 334 monoploids, 452 Chaleur, 461-467 Germplasm collection (IR-1), 290 Cherokee, 461-467 Gynogenesis, 2 Cobbler, 646, 650-652 Heterozygosity, 448 Denali, 229-236 Hexaploids, 4, 8 Desiree, 229-236, 461-467, 549, 562, Homozygous lines, 448, 449 653-663, 667, 678, 671-674 Hybridization, 818 Early Rose, 428 Internode explants, 1, 3, 4, 9, 11 Eramosa, 385, 387-389 Leaf explants, 1, 3, 4, 9, 11 Frontier Russet, 315-318, 549 Line selection, 309 Green Mountain, 189, 646, 650-652 Maine crosses resistant or tolerant to Haig, 229-236 Corynebacterium sepedonicum, 295 HiLite Russet, 315-318 Male fertility of doubled monoploids, 450 Hudson, 637-642, 843 Overall hybridization potential of Kanona, 223, 225, 227, 385, 387-389 doubled monoploids, 453 Katahdin, 549, 551, 555, 556, 693, 695, 696 Performance of leafhopper resistant Kennebec, 105, 107-112, 114, 160, 181, cultivars, 391-400 188, 190, 192, 229-236, 391-395, 399, Polyploidization, 2 400, 461-467, 646, 648, 650-652, 662, Regeneration ability, 4, 9 693, 695-697, 702 Regeneration frequencies, 1, 2, 4 Keswick, 646, 650-652 Selected species from IR-germplasm, 290 Krantz, 332 Selected species rated for immunity or LaBelle, 223, 227 tolerance to bacterial ring rot, 293 LaChipper, 41, 45, 47, 96, 97, 100, 102 Scaling ploidy levels, 1, 3, 4 Lemhi Russet, 428, 430, 431 Somatic mutations, 300 Lenape, 428, 786 Trichomes, 843-846 Marijke, 265, 266 True potato seed, 448, 449 Maris Piper, 562, 794 Potato cultivars (new) Merrimac, 290 Coastal Chip, 223, 225, 227, 515-521 Michibonne, 785 Michigold, 629-632 Mirton Pearl, 364, 366 Ranger Russet, 483-489 Monona, 118, 119, 121-126, 517, 538, 540, Russet Nugget, 331 561, 563, 566, 568, 569, 787, 788, 845 Spartan Pearl, 785-790 Nampa, 549 Potato cultivars (old) New York, 81, 229-236 Atlantic, 3, 41, 42, 46-49, 95, 97, 100, 102, Norchip, 143, 147, 300, 335, 364, 365, 369, 118, 119, 121-126, 167, 169, 172, 176, 385, 387-389, 517, 538, 540, 561, 563, 181, 223, 225, 227, 229-236, 241-244, 566, 568, 569, 633, 646, 647, 650-652, 247-248, 353-359, 385, 387-389, 428, 654, 664, 785, 788-790 461-467, 515-521, 538, 540, 629-632, Nooksack, 331, 332 646, 648, 650-652, 785-790, 846 Norgold Russet, 118, 300, 315, 318, 332, Alaska, 114, 229-236 335, 428, 484, 538, 540, 550, 551, 554, Allegany, 845 555, 556, 559 Alpha, 229-236, 549, 635-642 Norking Russet, 538, 540 Atzimba, 87 Norkotah Russet, 315-318, 335, 538, 540 Bake King, 229-236 Norland, 143, 144, 147, 229-236, 335, 538, BelRus, 241-243, 247, 248, 290, 363, 364, 540, 563, 567-569, 646, 648, 650-652 1992) ASSOCIATION BUSINESS 859 Norwis, 13-18 A6698-4, 332 Onaway, 385, 387-389, 632, 787, 788, 812 A66107-51, 371, 373, 376, 377, 549, 550, Ontario, 14, 143 554 Ottar, 229-236 A66138-8, 332 Pentland Crown, 562 A68113-4, 371, 373, 376, 377, 449, 551, Reddale, 105, 109-114 555, 557 Red Lasoda, 300 A69870-10, 428 Red Pontiac, 300, 335, 461-467, 563, 568, A7411-2, 484 (Ranger Russet) 569 A75188-3, 428 Redsen, 563, 567-569 A7938-1, 428 Russet Burbank, 31, 34, 35, 47, 48, 118, A79196-1, 667, 668, 671-675 143, 144, 147, 160, 161, 167, 169, 172, A81438-2, 428, 431 176, 181, 188, 190-192, 229-236, 275, A8694-5, 549 276, 278, 299, 300, 301, 331-335, 356, AF303-5, 14 371, 373-379, 381, 413-415, 428, 430, AF1332-52, 366, 369 431, 483-488, 492-494, 527, 538, 540, AND71609-1, 332 547, 549, 550-557, 562, 563, 567-569, ATL5, 3-7, 9 631, 652-663, 667, 668, 671-673, ATL7, 3-7 705-713, 793, 794, 798-801, 805, 806, ATL8, 3, 5-7, 11 808-814, 831, 832 B3200-2, 484 Rutt, 229-236 B3478-23, 366, 369 Saginaw Gold, 385, 387-389 B3672-3, 517 Sangre, 143, 144, 147, 335 B4159-8, 517 Saranac, 290 B5141-6, 516, 517 Sebago, 181, 187, 188, 190-192, 637-642 B9792-158, 223, 225, 227 Shepody, 335, 530, 549, 805, 806, 809-814 CA-13, 646, 650-652 Shoshoni, 332 COA8016-1, 428 Snogg, 229-236 COA81 103-5, 428 Snowchip, 229-236 CS7635-4, 13-18 Sunrise, 13-18 D733-3, 843, 844 Superior, 41, 42, 45-49, 95, 97, 100, 102, DTO28, 653-663, 667, 668, 671-675 143, 144, 147, 181, 187, 188, 190-192, E1264-2, 843, 844 229-236, 241-243, 247, 248, 503, 509, F725-5, 843, 844 550, 551, 554, 556, 563, 566, 568, 569, FL162, 428 637-642, 646, 648, 650-652, 787, 788 G165-9, 843, 844 Targhee, 371, 373, 376, 377, 549 G6743-5, 332 Teton, 290 H266-2, 844 Trent, 646-648, 650-652 1A902-3, 786 Troll, 229-236 1A8724, 876 Up-To-Date, 663 J115-1, 843 Wauseon, 516, 517, 786 K421-844 White Rose, 428, 430 L235-4, 844 Yukon Gold, 629-633 LT-1, 653-663, 667, 668, 671-674 Potato Cultivars (Numbered Seedlings) LT-4, 462, 468 Al119-1, 484 MN366.65-3, 332 A139-1, 484 MS002-171Y, 630 A183-8, 484 MS003-22Y, 630 A279-7, 484 MS003-69Y, 630 A492-2, 484 MS004-198Y, 630 A496-4, 484 MS700-70, 385, 387-389 A503-42, 549 MS700-83, 385, 387-389, 785, 786 A6595-3, 484 (Spartan Pearl) 860 AMERICAN POTATO JOURNAL (Vol. 69 MS704-10Y, 629, 630 (Michigold) Potato amino acids, 423, 525, 526 MS716-15, 385, 388, 389 Potato protein, 423, 427, 430 NC004-1, 223, 225, 227 Processing quality as affected by ND671-4R, 538-540 Rhizoctonia solani, 646-652 ND860-2, 223, 225, 227 Protein-bound tyrosine, 423, 426, 429, 430 ND865-2, 538-540 Quality correlations (S.G.), 813 ND1538-1R, 538-540 Reducing sugars, 486, 525, 526, 805, 807, ND1618-13, 538-540 811, 814 ND2008-2, 538-540 Sensory quality of film wrapped potatoes, ND2475-8, 484 275, 277-279, 280-285 ND2667-9R, 538-540 Specific gravity, 95, 101-103, 279, 334, NDA8694-3, 550, 554 385, 387, 389, 486, 517, 520-522, 537, NYL235-4, 843-846 542, 632, 633, 645-652, 788, 789, 799, PI1.22, 3 801 Q155-3, 843, 844 Specific gravity determination, 386, 817 TXA763-5, 428, 431 Sugar analysis, 807 UP88C68, 2, 5, 6, 7 Vitamin C content of Ranger Russet and UP88-147, 2, 5, 6, 7 Russet Burbank, 486 UP88-760, 2, 5, 6, 7 Vitamin C content of Russet Nugget, 331 W-855, 385, 387-389 (Snowden) Potato species (Solanum) WF31-4, 223, 225, 227 acaule, 292 WF46-4, 223, 225, 227 andigena, 694 WRCC27, 332, 333 berthaultii, 399, 843, 844 WY1122, 295, 364-366, 369 chacoense, 1, 2, 391, 392, 398, 399, 450, Potatoes for life support in space, 229-231 454, 457, 694 Potato leafhopper resistance, 693 demissum, 425 Potato quality, 489, 491, 495-499, 705 hertingii, 425 Assimilates (tagged Carbon !4C), 661-668 phureja, 2, 3, 4, 9, 447, 449, 450, 452, 454, Chip colors, 385, 388, 389, 517, 519, 522, 457 645-650, 790 tuberosum, 1, 2, 39, 40, 95, 117, 133, 195, Cooking quality, 15, 16, 17, 488 229, 230, 240, 289, 300, 309, 353, Cooking quality of film wrapped potatoes, 391-400, 425, 457, 490, 503, 561-563, 277-285 635, 693, 694, 700-702, 844 External quality of Ranger Russet, 487 Preconditioning immature potatoes, 805, Free and protein bound tyrosine levels in 806, 808 twelve cultivars, 429, 432 Premature death of vines, 548, 557 Free tyrosine, 423, 426, 429, 432 Rating system Horsfall-Barratt, 41 French fry color, 334, 486, 528, 529, 535, Resistance to golden nematode, 516, 517 799, 801, 805, 810 Response of cultivars to continuous light French fry color (dark stem end), 793, and high temperatures, 229 794, 798, 801, 802 Ring rot tolerance, 290 French fry color development, 534, 552 R-PAGE, 161 Fructose, 810-812 Seedpiece doubling, 33-37 Glucose, 385, 388, 389, 525-530, 534, 535, Seedpiece size versus whole seed, 117 805, 806, 808, 810-812 Seedpiece spacing, 31, 32, 33, 35 Hot-water blanching, 525, 526 Effect on total yield, 31-36 Internal quality of Ranger Russet, 487 Effect on tuber size distribution, 31-36 Maillard reaction, 525, 805 Seedpiece spacing of Spartan Pearl, 790 Mono and diphenols, 425, 430 Seedpiece spacing variability, 32 Non-enzymatic browning, 525, 526 Seed type, 117-119, 128 Phenylalinine, 433 Sequential harvest data, 319-324 Polyphenoloxidase, 425 Short term chip storage, 785 1992) ASSOCIATION BUSINESS Size distribution of Spartan Pearl, 790 Tuber weight loss, 813, Soft rot potential evaluation, 41, 42 Tuber yield and development, 353 Soil moisture responses to delayed Tuber yields of populations for leafhopper irrigation, 785 resistance, 376 Soil supressiveness to verticillium wilt, Udenfriend and Cooper nitroso-napthylene 503-506, 510 method for tyrosine determination, 426 Specific gravities, 311 Viruses Stolons, 562 ELISA, 161 Stolon hooking, 796, 799 ELISA (cocktail), 21, 22, 24-26, 29 Stolon initiation, 562 ELISA (DAS), 21-23, 25, 26, 28, 29, 827 Stolon length, 561 ELISA (enzyme amplified), 21, 22, 25, 26, Stolon length variations, 564-568 28, 29 Storage of immature potatoes, 805 ELISA (NCM), 827, 828 Storage moisture conditions for true potato PLRV, 21-28, 790 seed, 85, 90, 91 PSTVd, 157, 160, 161, 164, 165 Storage of true potato seed, 85, 87, 90, 92 PVA, 21-28 Stress sequence for water, 415, 417 PVM, 21-28 Successive cropping effect on verticillium PVS, 21-28, 827, 828 wilt, 503-506 PVX, 21-28, 157, 160, 161, 164, 165, 483, Systemic insecticide-nematicides, 379, 380 516, 517, 790, 827, 828, 844 Temperature penalty, 353, 357, 358 PVY, 21-28, 483, 827, 828, 844 Temperature effect of short term exposure R-PAGE, 161 of seed tubers to below freezing in Fall Vacuum insect collector, 157-164 before harvest, 143-147 Water allocation patterns, 415, 417-419 Time of harvest. Effects on yield and Water stress, 793, 794, 802, 831, 932 specific gravity, 385, 387 Water stress (early season), 794, 799, 801, Tolerance to herbicides, 173 802 Trichomes, 843-846 Weed control, 167-176 True potato seed (TPS), 85, 86, 255, 290, Weeds 448, 449 Amaranthus retroflexus, 167, 169, 170, 171, Dormancy, 87 199 Germination, 85 Chenopodium album, 169-174 Quality, 85 Echinochloa crus-galli, 169-172 Technology, 86, 255 Wound healing tissues, 105, 110, 111 Viability, 86, 92 Yield correlations, 817 Vigor, 86 Yield-effect of seedpiece spacing, 31-36 True potato seed precision seeding device, Yield of chipping cultivars, 387, 389 255-263 Yields-following rotations and fumigation, Tuber bulking, 563 489, 491, 495-499 Tuber dormancy, 437, 438 Yields-marketable, 102, 143, 486, 645-648 Tuberization, 131, 132, 134, 136, 137, 562 Yields-tuber, 95, 101-103, 486, 520-522, Tuberization in vitro, 461-465 631-633, 645-648, 667, 695, 698 Tuberization light effects on in vitro Yield of Russet Nugget, 324 tuberization, 461 Yield reduction by seed size, 117, 124-126 Tuberization media (cytokinin), 462 Yield reduction from missing plants, 32 Tuberization media effects, 463, 466 Yield reduction from hail damage, 705, Tuberization response, 461, 462 710-713 Tuber numbers, 695, 700 Tuber roots, 568, 569 Tuber size distribution, 632, 705, 709-711, 790, 800 Tuber tissue expansion, 537 AMERICAN POTATO JOURNAL (Vol. 69 Author Index ADAM, L.R., see PRITCHARD, M.K. ALFORD, R., see MENA,J . ANDERHALDEN, E., see RODER, W. ANTONOV, L.S., see VAYDA, M.E. ARRENDELL, S., see HAYNES, K.G. ARSENAULT, W., see BOSWALL, P. ASIEDU, S.K., see NOWAK,J . AUDY, P., E. ZIMNOCH-GUZOWSKI, L. TUFFORD, S.A. SLACK, P.F. PALUKAITIS, and M. ZAITLIN. Study of virus resistance in transgenic potato plants expressing replicase gene sequences of potato virus Y and potato leafroll virus, 571 (abst.). AUSTIN-PHILLIPS, S., see HELGESONJ,.P . BAKER, T.P., see LOVE, S.L. BAMBERG, J.B., see STONE, J.M. BANNER,J. , see SHOCK, C.C. BANVILLE, G,J., see OTRYSKO, B.E. BARTZ, J.A., S.J. LOCASCIO, and D.P. WEINGARTNER. Calcium and potassium fertiliza- tion of potatoes grown in North Florida. II. Effect on the bacterial soft rot potential in the tubers, 39. BARTZ, J.A., see LOCASCIO, S.J. BELKNAP, W.R., see CORSINI, D.L. BELKNAP, W.R., see PAVEK, J.J. BENNETT, M.A., see KLEINHENZ, M.D. BENNETT, S.M., see TIBBITTS, T.W. BERGER, P.H., see SHETTY, K. BERMIER, D., see DUCHESNE, R.M. BERNARD, G., see BOITEAU, G. BIEVER, D.K. and R.L. CHAUVIN. Integrating transgenic B.t. potatoes and predators for control of the Colorado potato beetle, 571 (abst.). BINNING, L.K., see CONNELL, T.R. BINNING, L.K., see HANSON, J.E. BOERSIG, M.., see GROZA, H. BOITEAU. G. Plastic lined trenches for the control of Colorado potato beetles, 572 (abst.). BOITEAU, G., see DUCHESNE, R.M. BOITEAU, G., G.C. MISENER, R.P. SINGH, and G. BERNARD. Evaluation of a vacuum col- lector for insect pest control in potato, 157. BONANNO, H.M., see HANSON, J.E. BONIERBALE, M.W., R.L. PLAISTED, and S.D. TANKSLEY. Evaluation of heterozygosity and its value as a performance parameter in tetraploid potatoes, 572 (abst.). BONIERBALE, M.W., see PINEDA, O. BONIERBALE, M.W., seeV ANdenBERGJ,.H . BOSWALL, P., T. CLARKE, R. COFFIN, and W. ARSENAULT. Effect of chlorpropham on the viability of potato tuber sprouts, 572 (abst.). BOUCHER, A., see SINGH, R.P. BURNETT, D.S., see SHOCK, C.C. BUTLER, W.O., see VAYDA, M.E. BUTTLER, I.W., see ROBERTS, S. BOYDSTON, R.A., see THORNTON, R.E. CAISSIE, R., see McLEOD, C.D. CAMPBELL, W.L. Heirloom varieties: How can they be certified? 573 (abst.).