PARTICIPANTS

A. ALLAVENA 1st. Sperimentale per 110rticoltura, Sezione di 20075 MONTANASO LOMBARDO (MI) "Italy

L.J. ANTUNES DEL DUCA EMBRAPAPasso Fundo, Caixa Postal 351 99.100 PASSO FUNDO (RS) Brazil

N. BANGURA WARDA, ADRAO, E.J. Roye Memorial Bldg., P.O. Box 1019 MONROVIA Liberia

RITA BASILE 1st. Sperimentale per la Patologia Vegetale Via Casal del Pazzi 250 00100 ROMA Italy

M.A. BEEK UNDP/SF Project 381 (BRZ/69/535) Caixa Postal 351 99.100 PASSO FUNDO (RS) Brazil

C. BERNIER Dept. Plant Sciences, The University of Manitoba WINNIPEG (Manitoba R3T 2N2) Canada

O.S. BINDRA FAO Host-Plant Resistance Expert, c/o UNDP, P.O.Box 913 KHARTOUM Sudan

A. BOTTALICO Centro di Studi per le Tossine del C.N.R. Via G. Amendola, 165/A 70126 BARI Italy

ANGELA CAPUSSO-TOSI Istituto di Nematologia Agraria del C.N.R. Via G. Amendola, 165/A 70126 BARI Italy

439

440 PARTICIPANTS

D. CASULLI 1st. di Patologia Vegetale, Fac. Agraria Via G. Amendola, 165/A 70126 BARI Italy

F. CERVONE 1st. Orto Botanico, Cattedra di Fisiologia Vegetale Largo Cristina di Savoia, 24 00165 ROMA Italy

L. CHIARAPPA Plant Protection Service FAO, Via delle Terme di Caracalla

A. CICCARONE

00100 ROMA Italy

1st. Patologia Vegetale, Facolta di Agraria Via G. Amendola, 165/A 70126 BARI Italy

M. CIRULLI 1st. Patologia Vegetale, Facolta di Agraria Via G. Amendola, 165/A 70126 BARI Italy

MARIA I. COIRO Istituto di Nematologia Agraria del C.N.R. Via G. Amendola, 165/A 70126 BARI Italy

LUCIANA CORAZZA 1st. Sperimentale per la Patologia Vegetale Via Casal de' Pazzi, 250 00156 ROMA Italy

T.M. CROSBIE Dept. Agronomy, Iowa State University of Science and Technology AMES (Iowa 50011) USA

F. DE CICCO 1st. Patologia Vegetale, Facolta di Agraria Via G. Amendola, 165/A 70126 BARI Italy

W.A.J. DE MILLIANO Dept. Plant Pathology, Agricultural University Binnenhaven 9 6709-PD WAGENINGEN The Netherlands

A. DINOOR The Hebrew University of Jerusalem, The Levi Eshkol School of Agriculture P.O. Box 12 REHOVOT 76-100 Israel

M. DI VITO Istituto di Nematologia Agraria del C.N.R. Via G. Amendola, 165/A 70126 BARI Italy

PARTICIPANTS

F. ELlA Istituto di Nematologia Agraria del C.N.R. Via G. Amendola, 165/A 70126 BARI Italy

G.L ERCOLANI 1st. di Patologia Vegetale, Facolta di Agraria Via G. Amendola, 165/A 70126 BARI

G. FANIZZA 1st. Miglioramento Genetico, Facolta di Agraria Via G. Amendola, 165/A 70126 BARI

F. FlUME 1st. Sperimentale per l'Orticoltura Via Piacenza, 21 84098 PONTECAGNANO .(SA) Italy

R.C. GARBER Dept. Plant Pathology, 334 Plant Sciences Bldg

A. GRANITI 1st. Patologia Vegetale, Via G. Amendola, 165/A

N. GRECO

Cornell University ITHACA (N.Y. 14853)

Facolta di Agraria 70126 BARI Italy

Istituto di Nematologia Agraria del C.N.R. Via G. Amendola, 165/A 70126 BARI Italy

R.M. JIMENEZ-DIAZ

USA

Escuela Tecnica Superior de Ingenieros Agronomos, Finca "Alameda del Obispo", Apdo de Correos N. 246 CORDOBA Spain

H.J. J~RGENSEN Ris¢ National Laboratory, Postbox 49 DK-4000 ROSKILDE Denmark

H. KHALIFA Ministry of Agriculture, Agric. Research Corp., Cotton Breeding Section WAD MEDANI Sudan

C. LAVIOLA 1st. Patologia Vegetale, Universita degli Studi Viale delle Scienze, 2 90128 PALERMO Italy

N. LUISI 1st. Patologia Vegetale, Facolta di Agraria Via G. Amendola, 165/A 70126 BARI Italy

441

442

G.P. MARTELLI 1st. Patologia Vegetale, Facolta di Agraria Via G. Amendola, 165/A 70126 BARI Italy

J.M. McDERMOTT Pestology Centre, Biological Sciences Dept. Simon Fraser University BURNABY (B.C. V5A 1S6) Canada

J. MEUNIER IRHO, Departement Selection, GERDAT B.P. 5035 34032 MONTPELLIER CEDEX France

A. MICKE Plant Breeding & Genetics Section Wagramerstrasse 5 Box 100 A-1400 WIEN Austria

L. MITTENPERGHER

PARTICIPANTS

Centro di Studio per la Patologia delle Specie Legnose e Montane Piazzale delle Cascine, 28 50144 FIRENZE Italy

LISA MUNK Dept. Plant University Agrovey 10,

Pathology, The Royal Veterinary & Agric.

H¢jbakkegard DK-2630 TASTRUP Denmark

HANNE ¢STERGARD Ris¢ National Laboratory Postbox DK-4000 ROSKILDE Denmark

O.T. PAGE The International Potato Center Apartado 5969 LIMA Peru

M. PALMAS Or to Botanico Viale Fra Ignazio, 13 09100 CAGLIARI Italy

FRANCOISE PERSON-DEDRYVER INRA - Lab. de Recherches de la Chaire de Zoologie Domaine de la Motte-au-Vicomte, B.P. 29 35650 LE RHEU France

F. PIRO 1st. Sperimentale per il Tabacco Via P. Vitiello, 66 84014 SCAFATI (SA) Italy

PARTICIPANTS 443

S. PORCELLI 1st. Sperimentale per l'Orticoltura Via Piacenza, 21 84098 PONTECAGNANO (SA) Italy

P. PRESTE Institute of Plant Pathology, University P.O. Box 744 S-750 07 UPPSALA Sweden

A. QUACQUARELLI 1st. Patologia Vegetale, Facolta di Agraria Via G. Amendola, 165/A 70126 BARI Italy

P. RADDI Centro di Studio per la Patologia delle Specie Legnose e Montane Piazzale delle Cascine, 28

J.-L. RENARD loR.H.O.

50144 FIRENZE Italy

Boite Postale 8 DABOU Ivory Coast

M. SALERNO 1st. Patologia Vegetale, Facolta di Agraria Via G. Amendola, 165/A 70126 BARI Italy

MARIA CORINNA SANGUINETI 1st. Agronomia Generale e Coltivazioni Erbacee Via Filippo Re, 8 40126 BOLOGNA Italy

F.T. SCARASCIA-MUGNOZZA Facolta di Agraria dell'Universita della Tuscia 01100 VITERBO Italy

M. SCHIAVI Istituto Sperimentale per l'Orticoltura 20075 MONTANASO LOMBARDO (MI) Italy

G. SIDHU The University of Nebraska-Lincoln, Institute of Agriculture & Natural Resources LINCOLN (Nebraska 68583) USA

ANNA MARIA SIMEONE 1st. Sperimentale per la Frutticoltura Via Fioranello, 52 00040 CIAMPINO AEROPORTO (ROMA) Italy

A. SINISCALCO 1st. Patologia Vegetale, Facolta di Agraria Via G. Amendola, 165/A 70126 BARI Italy

444

D. SIPPEL c/o UNDP, P.O. Box 913 KHARTOUM Sudan

D. SISTO 1st. Patologia Vegetale, Facolta di Agraria Via G. Amendola, 165/A 70126 BARI Italy

G.P. SORESSI 1st. Sperimentale per l'Orticoltura 20075 MONTANASO LOMBARDO (MI) Italy

E. TORRES

PARTICIPANTS

Centro Internacional Mejoramiento de Maiz y Trigo LONDRES 40 Mexico 6 D.F.

H. Van der BEEK IPHR (FAO) c/o PUND, CASIER-ONU RABAT Morocco

C.H. Van SILFHOUT Research Institute for Plant Protection Binnenhaven 12, P.O. Box 42 6700-AA WAGENINGEN The Netherlands

J.M. WALLER Commonwealth Mycological Institute, Ferry Lane, KEW, RICHMOND (Surrey TW9 3AF) U.K.

F. WILLIAMS Simon Fraser University, Pestology Centre, Biological Sciences Department BURNABY (B.C. V5A 1S6) Canada

G. ZACCHEO Istituto di Nematologia Agraria del C.N.R. Via G. Amendola, 165/A 70126 BARI Italy

GIUSEPPINA ZITELLI 1st. Sperimentale per la Cerealicoltura Via Cassia, 176 00191 ROMA Italy

LECTURERS

J.A. BROWNING Dept. Plant Sciences, Texas A&M University, College of Agriculture COLLEGE STATION (Texas 77843) USA

I.W. BUDDENHAGEN Dept. Agronomy & Plant Pathology, University of California DAVIS (Calif. 95616) USA

O. DE PONTI Institute for Horticultural Plant Breeding Postbus 16 WAGENINGEN The Netherlands

A.B. ESKES FAO Instituto Agronomico, Secao Genetica Caixa Postal 28 13100 CAMPINAS (S.P.) Brazil

R. JOHNSON Plant Breeding Institute Maris Lane, Trumpington CAMBRIDGE (CB2 2LQ) U.K.

J. KRANZ Abt. Phytopathologie und Angew. Entomologie "Justus Liebig-Universitat Giessen" Tropen Institute Schottstrasse 2-4 6300 GIESSEN Fed. Rep. Germany

F. LAMBERTI Istituto di Nematologia Agraria del C.N.R. Via G. Amendola, 165/A 70126 BARI Italy

445

446 LECTURERS

J.E. PARLEVLIET Institute of Plant Breeding, Agricultural University, 166 Lawickse Allee WAGENINGEN The Netherlands

C.B. PERSON Dept. of Botany, University of British Columbia VANCOUVER (B.C.) Canada

C.A.J. PUTTER Pathosystems Research Unit, University of Natal P.O. Box 375 PIETERMARITZBURG 3200 Rep. South Africa

R.A. ROBINSON Simon Fraser University, Pestology Centre, Biological Sciences Dept. BURNABY (B.C. V5A 1S6) Canada

E.V. SHARP Agric. Experiment Station, College of Agriculture Montana State University BOZEMAN (Montana 59717) USA

C.E. TAYLOR Scottish Crop Research Institute Invergowrie, DUNDEE DD2 5DA, Scotland, U.K.

N.A. Van der GRAAFF Plant Protection Service, FAO Via delle Terme di Caracalla

M.S. WOLFE Plant Breeding Institute Maris Lane, Trumpington CAMBRIDGE (CB2 2LQ) U.K.

J.C. ZADOKS

00100 ROMA Italy

Dept. Phytopathology, Agricultural University Binnenhaven 9 6709-PD WAGENINGEN The Netherlands

INDEX

Adaptation, 8., 82 Aggressiveness, 8, 158, 159 Agrobacterium, 69 Alfalfa

Cor-ynebacterium insidiosum on (bacterial wilt), 113

DityZenchus dipsaci on, 206 MeZoidogyne hapZa (root knot

nematode) on, 206 Uromyces striatus var. medica­

ginis on (rust), 113, 392 Al1oinfection, 46, 47, 52, 96,

97, 160, 244 Anther culture, 383 (see pollen

all culture) Antigens, 254 Apple

Eriosoma Zanigerum (wooly aphid) on, 67

Mildew, 274 Venturia inaequaZis on (Scab),

51, 53, 184, 277, 278 Area under disease progress curve

(AUDPC), 150, 183, 438 ArmiZZaria (ArmiZZarieZZa) meZ­

Zea, 135 Assessment scales, 176, 177 Autoinfection, 45, 52, 53, 96,

97 Avena spp. (see also oats), 206 Avoidance, 57, 58

Banana (,~sa spp.) MycosphaereZZa musicaZa on

(Sigatoka), 154 MycosphaereZZa fijinensis on,

(Sigatoka negra), 278

Barley (Hordeum vuZgare) Aphid complex on, 224 Barley yellow dwarf virus on,

114, 394 Er-ysiphe graminia f.sp. hordei

on (powdery mildew) 64, 67, 69, 81-98, 105-7, 148, 153, 254, 405-7

Heterodera avenae (cyst nema­tode) on, 204, 211-214

Puccinia graminis on, 353 P. hordei (brown rust), 12, 61-

68, 114, 179, 184, 185, 201, 354, 356

P. striiformis on (yellow rust), 57, 64

Fyrenphora teres on (net blotch), 112, 114, 116-118, 134, 397

Rhynchosporium secaZis on (scald), 65, 114, 117

UstiZago unda on (loose smut), 66

U. hordei on (covered smut), 33-35

Xanthomonas transZucens on (bacterial streak, 114

Barley (other Hordeum spp.), 61, 105, 406

Bean (PhaseoZus spp.) bean common mosaic virus on,

~3 CoZZetotrichum Zindemuthianum

on (anthracnose), 11 MeZoidogyne incognita on, 206

Bean (Vicia faha)

447

448

Bean (Vieia faba) Uromyees vieiae-fabae on

(rust), 437 Beet (Beta spp.)

Heterodera sehaehtii on, 203 Black currant (Ribes spp.)

Sphaerotheea mors-uvae on (mil­dew), 277-278

Brassiea spp. (see Cabbage) Breeding (see under appropriate

crop also under selecr tion)

Cabbage (Brassiea spp.) Fusarium oxysporum f.sp. eon­

glutinans on (yellows) 67, 392

Cacao (Theobroma eaeao) Marasmius pernieiousus on

(witches broom), 276 swollen shoot virus on, 276

Carrot (Daueus earota) Psila rosae on, 225

Cereals (see under wheat, barley, oats, etc.)

Citrus (Citrus spp.) trifoliate orange, 206 Tylenehulus semipenetrans on,

206 Clones, 47, 52, 53 Clove sudden death, 276 Coconut (Coeos nueifera)

cadang cadang disease of, 274-275

kaincope disease of, 274 kerala wilt of, 274-275 lethal yellowing disease of,

274 Phloem necrosis disease of,

274 Rhadinaphelenehus eoeophilus

in (red ring), 275 Coevolution, 57, 58, 73 Cohort tables, 131 Coffee (Coffea arabiea)

Antestiopsis spp. on, 273 Cereospora eoffeieola on brown

spot), 272, 274, 330, 331

INDEX

Coffee (Coffea arabiea) (continued) Colletotriehum eoffeanum on

(Coffee berry disease, 10, 151, 272, 273, 321-329, 332-334

cultivars "Agaro', 302-303 'Catuai', 304-305 'Ibaare', 299-301 'Mundo NOvo', 304-305 Gibberella xylarioides on (vascu­

lar wilt, 127, 272, 273, 324, 330

Hemileia eoffeieola on (grey rust, 273

Hemileia vastatrix on (leaf rust), 179-181, 184-188 271, 273, 277, 278, 295, 314, 330, 334

Hemileia vastatrix3 Vertieillium hemileia on, 296

Leueoptera spp. (leaf miner) on, 271, 330

Nematospora eoryli on, 273 phoma tarda on (leaf blight),

271-273, 330, 334, quality, 332 resistance in

to Colletotriehum eoffeanum3 324-329, 332-334

to Hemileia vastatrix3 298-302, 304-307, 311-314

yield, 333 Coffee (Coffea eanephora)3

271-273, 314, 397 cv. "kouillou", 305-309

Coffee hybrids "Catimor", 310, 311 "Icatu", 310

Competition evolutionary, 49 intraspecific, 157

Component analysis, 130, 131, 151 Cotton (Gossypium spp.)

aphids on, 231, 232 Bemisia tabiea (white fly) on,

231, 232, 235-240 Fusarium oxysporum f.sp. vas in­

feetum on (wilt), 126-127

INDEX

Cotton Heliothis spp. (Bollworm) on,

231-232 Jassids on, 231-232 Meloidogyne spp. (root knot ne­

matode) on, 126-127, 206 morphological characters of,

234-236 resistance to insects in, 231,

232, 237-240 Spodoptera spp. (Bollworm) on,

232 stickiness, 235-236 yield, 231

Computers, 43, 48, 54 Constant ranking, 28, 30, 35, 50 Crop uniformity, 243 Cross

composite, 114 pollination, III recurrent polycross, 17

Cryptic error, 408 Cucumber (Cucumis sativa)

Cladosporium cucumerinum on (scab), 67, 352, 392

cucumber mosaic virus on, 353 Erwinia traeheiphila on (bac­

terial wilt, 392 Fusarium oxysporum f.sp. cu~

eueumerinum on (wilt), 186

Tetranyehus urtieae (red spi­der mite) on, 218, 222

Trialeurodes vaporariorum (Glasshouse white fly on, 223

Cucurbitaceae (see also Melon) Colletotriehum lagenarium

(anthracnose) on, 189

Date, Bayoud disease of, 276 Defense mechanisms, 57-59 Differential interaction, 50, 63,

Disease

65, 66, 69, 72, lSI, 157, 169, 260

complexes, 123-128 parameters, lSI, 158-160 systemic, binomial distribu-

tion of, 443-444

449

Dilatory resistance, 367-369 Double monoploids (or haploids),

246, 387 Drosophila pseudoobscura, 43

Ecosystem balance, 410 Elm (UUnus) spp.

Ceratoeystic ulmi on (Dutch elm disease, 278, 281-284

Epidemic competence, 157 patterns, 148, 150, 151 processes, 148, 150

Epidemiological units, 370 Esodemic, 52 'Ethrel' (Ethephon), 376-379,

383 Exodemic, 52-53, 157, 160

Faba bean (see Bean, Vicia faba) Flax (Linum usitatissimum)

Fusarium oxysporum f. sp. lini, 353

Melampsora lini (rust), 9, 354 Fitness (of pathogen - see patho­

gen) Fungicide, 139 Fig (Ficus spp.) 269

Genes additive action of, 112 dissociation of pathogenicity

in, 19 flow, 42, 43 frequencies, 156 interaction (see also pathogen/

host interactions), 9, 12, 29, 41, 46, 47, 65-69, 72, 73, 75, 94, 156, 159, 262, 263

major, 28, 35, 61, 65, 67, 71, 176, 188, 189, 358-361

management, 369 minor, 16, 17, 28, 29, 117, 175,

188, 359, 395, 396 poly genes , 28, 29, 35, 58, 61,

65, 67 pyramiding, 114, 115, 153, 420,

421

450

Genes (continued) specificity, 13, 262 unidentified resistance, 19

Genetic background, 188, 397 Genetic code, 48-54 Genetic diversity, 114, 115, 156 General Linear Interactive model,

442 Grapes (Vitis vinifera) Elsin~e amplina on (anthrac­

nose), 270 Guignardia bidWellii on (b1ack­

rot), 270 Meloidogyne incognita on, 206 Phylloxera virifolia (root

aphid on, 270 Plasmopara viticola on (downy

mildew), 270 Uncinula necator on (powdery

mildew), 270 vitis amurensis~ 278

Homeostasis, 170 Host/pathogen interaction (see

under pathogen) Host population heterogeneity,

47

Incubation period, 157 Infection

cycle, 130-132 efficiency, 102, 103, 152, 158 frequency, 61, 62 rates, 132, 149-151, 182, 183 time, 158 types of, 61, 62, 129, 152,

177-192 Infectious period, 153 Inoculation methods, 124, 291,

298-300, 308, 309, 326, 327, 442

Inoculum, 102, 153, 158 Insects

biotypes, 219 resistance to, 112, 113, 215-

217, 225, 231, 232, 237-240, 410

Interp10t interference, 244, 360

Kin selection, 159

INDEX

Larius spp. (seed head weevils), 71

Latency, 152, 158 Latent period, 152, 153, 155, 158 Lathyrus spp.

Uromyces viciae-fabae on (rust), 437

Lens esaulentus (lentil) Uromyces viciae-fabae on (rust),

437 Lesion growth, 153 Lesion type (see infection type) Lettuce (Lactuca sativa)

Bremia lactucae on (downy mil­dew),254

lettuce mosaic virus on, 353 Myzus persicae on, 224

Life table, 131 Limonium vulgare (sea lavender)

Uromyces limonii (rust) on, 133

Linkage disequa1ibrium, 88, 96

Male gametocide, (see Ethre1) Male sterility, 113, 114, 119 Maize (Zea mays)

Diplodia zeae on (stalk rot), 112

Drechslera (Helminthosporium) carbonum on, 9, 10, 67, 392-393

Drechslera (Helminthosporium) turciaum on (northern leaf blight), 67, 112, 171

Ostrinia nubalis (European corn borer) on, 113

Puccinia sorghi on (rust), 392 Melon (see also Cucurbitaceae

Corynespora melonis on (leaf spot), 352

Sphaerotheca fuligena on (pow-dery mildew), 69

Millet (see Pear1mi11et) Mu1ti1ines, 97, 159 Mu1ti1ocation testing, 367-371,

442 Myxoma virus, 73, 74

Nematodes, 123-128, 201-209, 211-214

INDEX

Nematodes (continued) pathotypes and races of, 204-

206, 212 Non-host reaction, 64 Nursery

race, 14 screening, 368-370 trap, 370-371

Oats (Avena) spp. Erysiphe graminis on (powdery

mildew, 179 Fusarium avenaceum on, 59 Gaeumannomyces graminis var.

avenae on, 60 Helminthosporium (Drechslera)

victoriae on (leaf blight), 70, 353, 390-391

Heterodera avenae (cyst nema-tode) on, 204

Puccinia coronata on (crown rust), 67, 157, 183, 185, 187, 359, 393

Puccinia graminis on (stem rust),186

Oil palm (Elaeis spp.) Fusarium oxyporum f.sp. elaei­

dis on (vascular wilt), 291-294

disease index of, 291-292 Onion (Allium cepa)

Pyrenochaeta terrestris on (pink root), 392

Overseasoning rate, 158-160

Parasite efficiency, 232 Passif10raceae

Heliconius butterflies on, 59, 71

Pathogen aging, 156 competition, 157 fitness, 81-99, 101-104,

131, 154, 156-158 generations, 154, 155 genetics of, 33, 34, 343, 348 hybrids, 290 population models, 84-86, 101-

104 relative growth rate of, 131

451

Pathogen (continued) reproductive rate, 131, 156 specialization in, 41-44, 59-

61, 71-75, 137-139 specificity of, 8, 13-17, 67 training of, 135 virulence in, 8, 42, 43, 106,

156, 157, 160 Pathogen/host interactions (see

also resistance) compatibility of, 69-70, 72,

75, 86, 87, 344, 346 with environment, 187 small interaction phenomenon,

134 types of, 7-9, 127, 129 typical interaction phenomenon,

137 unnamed interaction phenomenon,

133 Pathosystem

crop, 53, 149, 241-243, 257-260, 297, 443, 444

terminology, 49-53 wild, 133, 150, 241-243, 247,

296, 416 Pea (pisum sativum)

Fusarium oxysporum f.sp. pisi on (wilt), 392

Uromyces viciae-fabae on (rust), 437

Pearl Millet (Bu11rush millet) (Pennisetum typhoides)

SclePOspora graminicola on, (downy mildew), 441-444

Peasant farming, 256-258 Pepper (Capsicum spp.)

Meloidogyne spp. on, 206 Perennial crops, 267-280 Pest

chemical control, 231 integrated control, 215, 231 management, 215

Pesticide umbrella, 224 Ph1eum mottle virus, 73 Phenotypic damping, 32 Pines (Pinus spp.)

Cronartium flaccidum on (rust), 285-286

Cronartium ribicola on, 167

452

Pines (Pinus spp.) Neodiprion sertifer (sawfly)

on, 60 Pollen cell culture (see also An­

ther culture), 246 Po1ygenes (see under Genes) Poplar (Populus spp.)

Melampsora larici-populina on (rust), 140, 184, 188

Potato (Solanum tuberosum) breeding, 340, 341 Globodera pallida (cyst nema­

tode) on, 202 Globodera rostochiensis (cyst

nematode) on, 202, 203, 206

Meloidogyne incognita on, 340 Myzus persicae on, 224 Phytophthora infestans on (late

blight), 8, 12, 28, 63, 67, 169, 178, 184, 185, 187, 188, 260, 263, 343-348, 353, 356, 357

potato leaf roll virus on, 359 potato virus A on, 67, 353 potato virus X on, 11, 341, 353 potato virus Yon, 340, 341,

353, 359 Pseudomonas solanacearum on

(bacterial wilt), 341 Rotylenchus reniformis on, 203 Solanum sparsipilim, 341 Synchytrium endobioticum on,

353, 358 true seed, 342 var. "maritta", 169 wild, 339

Plant behaviour, 48 morphology, 155

Pseudomonas solanacearum (see al-so under Potato), 69

Pseudospecificity, 169, 170 Phytoa1exins, 60, 264 Pyrethium

Meloidogyne hapla (root knot nematode) on, 359

Quadiatic check, 262

Resistance additive, 118

INDEX

'breakdown' of, 48, 63, 170 417-422

characteristics of types, 12, 14, 28, 61-68, 71-72, 174-192, 295-314

components of, 148-155, 180-182, 298-312

detection and evaluation of, 153, 155, 176-183, 329, 358, 390, 414, 416, 421

effect of cropping on, 186 effect of environment on, 167,

185, 186, 295 effect of plant age on, 148,

155, 160, 183, 185 inheritance of 110, 167, 168,

188, 189, 306-308, 314, 358-362

longevity of, 159 management of, 155, 156, 159 models of, 51, 57-76, 190-192 residual, 354-356 specificity of, 13-17, 61-63,

67-71, 189, 262-264 strength of, 244 terminology of, 6-8, 50, 58,

259-261 types of insects, 215-217,

231-232 types to nematode, 206, 207 variation of, 167-168

Rhizobium, 69 Rice (Oryza sativa)

breeding, 413, 414 Cercospora oryzae on (narrow

leaf spot), 414 grassy stunt on, 427 Hebninthosporium (Drechslera)

sativa on (brown spot), 414

Hoja blanca virus on, 426, 428 Nephotettix spp. (Green leaf

hopper) on, 425, 431 Nilaparvata lugens (brown

p1anthopper) on, 431 Orseolia (Pachydiplosis) oryzae

(gall midge) on, 430, 431

INDEX

Rice (continued) Oryzae spp. (wild), 416, 417,

429 PyriauZaria oryzae on (blast),

67, 180, 354, 411, 412, 415-422

Rhizoatonia spp. on (sheath blight), 412, 415

Rhynahosporium oryzae on (scald), 423

SaroaZadium spp. on, 423 SaZerotium oryzae on (stem

rot), 409 Sogatodes spp. (p1anthopper)

on, 425, 426, 428, 430 temperate viruses on, 429 tungro virus on, 412, 425, 426 vector resistance in, 426, 428,

430 xanthomonas oryzae (bacterial

blight), 412, 413, 424 xanthomonas transZuaens on

(bacterial streak), 412, 413, 424

Rubber (Hevea brasiZiensis) ~aroayaZis uZei on (South

American leaf blight), 268, 269

Oidium heveae on (mildew), 155

Seed size, 119 Selection

coefficient of, 83, 95, 158 in coffee, 324, 325, 334 group, 54 mass, 151 recurrant, 111-115, 119, 151,

393, 415 stabilizing, 28, 170, 192,

260, 420 Simulators, 151 Slow rusting, 67, 149, 150, 367,

391, 437 Sorghum

breeding, 113 Periaonia airmnata on (milo

disease), 9, 352 Soybean (GZyaine max)

bacterial pustule, 205

453

Soybean (GZyaine max) (continued) Heterodera gZyaines (cyst nema-

tode) on, 204, 205 MeZoidogyne spp. on, 204, 205 Phytophthora root rot of, 205 RotyZenahus reniformis on, 204,

205 Spore

catch, 16 crop, 153 production (sprou1ation), 61

62, 102, 103, 153, 157, 158

trap, 92 Subsistence farming, 254, 255 Sugarbeet (Beta sp.)

Aphis fabae on, 222 Ceraospora betiaoZa on, 178 MYzus persiaae on, 222

Sugarcane (Saaaharum offiainarum) pathosystem, 247

Puaainia meZanoaephaZa on (rust), 248

UstiZago saitaminea on (smut), 248

Systems analysis, 147 durability, 98 levels, 49 theory, 48

Tea (CameZZia sinensis) Exobasidium vexans on (blister

blight), 276 Tobacco (Niaotiana tobaaaum)

MeZoidogyne inaognita on, 206 Peronospora tabamna on (blue

mould), 245, 246 Tolerance, 57, 58, 353, 379, 412,

427 Tolremicity, 412, 419, 429 Tomato (Lyaopersiaon esauZentum)

FuZvia fuZva on (leaf mould), 354

Fusarium oxysporum f.sp. Zy­aopersiai on (wilt), 124-126, 169, 205, 392

Lyaopersiaon peruvianum, 205 MeZoidogyne spp. on 123-125,

205 tomato mosaic virus on, 11

454

Tomato (continued) Trialeurodes vaporariorum

(white fly) on, 223 Vertiaillium albo-atrum on,

205, 392 wilt severity index of, 125,

126 Transgressive segregation, 395,

398

Variance additive, 167, 168 non-heritable, 167, 168

Variation, continuous, 167 Variety diversification, 97 Variety mixtures, 97, 159 Vertifo1ia effect, 244, 356, 357

Wheat (Triticum spp.) aphids on, 382, 387 barley yellow dward virus on,

382 breeding, 248, 367, 371, 373-

380, 381-388 Erysiphe graminis on (mildew),

67, 382, 386, 387 Gaeumannomyaes graminis on

(take all), 60, 133, 382 Gibberella zeae on, 382 Helminthosporium (Dreahslera)

sativum on, 375-377, 382, 386, 387

Heterodera avenae on, 204 Maarotermes spp. on, 377 Mayetiola destruator (hessian

fly) on, 67

INDEX

Wheat (Triticum spp. (continued) po1ycross, 376-379, 383 Pseudoaeraospora herpotriahoides

on (eyespot), 10 Puaainia gramminis on (stem

rust), 18-20, 41, 42, 67, 168, 176, 179, 181, 184, 186, 187, 354, 375, 381, 387, 392, 393

Puaainia reaondita on (leaf rust), 41, 63, 67, 130-132, 183, 186-189, 354, 356, 367-371, 375, 381, 387

Puaainia striiformis on (yellow rust), 6, 13-17, 137, 138, 178, 184, 186-188, 355, 356, 394-397

Septoria (Leptosphaeria) nodorum on, 10, 359, 382, 386, 387

Septoria tritiai on, 65, 382, 386, 387

single seed descent, 383, 384, 388

Sitobion avenae (cereal aphid) on, 224

soil borne mosaic virus on, 382 Tilletia aontraversa on (dwarf

smut), 395 Tilletia Timopheevi, 18 Usti1ago tritici on (loose smut),

392

Yield, 183