Pests, diseases, and disorders of peas and beans : a colour handbook

Contents......Page 4
Foreword......Page 6
Acknowledgements......Page 8
P......Page 9
Z......Page 10
Section 1 Introduction......Page 11
Peas and beans in agriculture......Page 12
Pea and bean production......Page 14
Quick guide to diagnosis......Page 18
Section 2 Diseases of Seedlings and Young Plants......Page 21
Pythium seedling rot: Pythium spp.......Page 22
Pythium and Rhizoctonia spp. root rot: Pythium ultimum and others, and Thanatephorus cucumeris syn. Rhizoctonia solani......Page 24
Black root rot: Thielaviopsis basicola......Page 25
Section 3 Pests of Seedlings and Young Plants......Page 27
Wireworms: Agriotes spp.......Page 28
Bean seed fly (seed corn maggot): Delia platura......Page 29
Pea and bean weevil: Sitona lineatus......Page 30
Field thrips: Thrips angusticeps......Page 32
Leatherjackets: Tipula spp.......Page 34
Section 4 Fungal and Bacterial Diseases......Page 37
Alternaria leaf spot: Alternaria alternata......Page 38
Common root rot: Aphanomyces euteiches......Page 39
Bean leaf and pod spot: Ascochyta fabae = Didymella fabae......Page 40
Pea leaf and pod spot: Ascochyta pisi, Mycosphaerella pinodes, and Phoma medicaginis var. pinodella......Page 42
Botrytis pod rot: Botrytis cinerea......Page 44
Chocolate spot: Botrytis fabae, B. cinerea......Page 46
Anthracnose: Colletotrichum lindemuthianum......Page 48
Powdery mildew: Erysiphe pisi......Page 50
Fusarium wilt: Fusarium oxysporum f. sp. pisi Races 1, 2 and 5......Page 52
Pea foot rot: Fusarium solani f. sp. pisi and Phoma medicaginis var. pinodella......Page 54
Fusarium root rot (Fusarium yellows): Fusarium solani f. sp. phaseoli......Page 56
Bean foot rot: Fusarium solani, Phoma medicaginis var. pinodella, and Fusarium culmorum......Page 57
Bean downy mildew: Peronspora viciae......Page 59
Pea downy mildew: Peronspora viciae......Page 61
Ascochyta leaf spot: Phoma exigua var. exigua = Ascochyta phaseolorum, Ascochyta bolthauseri......Page 63
Halo blight: Pseudomonas syringae pv. phaseolicola......Page 64
Pea bacterial blight: Pseudomonas syringae pv. pisi......Page 66
White mould, Sclerotinia: Sclerotinia sclerotiorum......Page 68
Stem rot: Sclerotinia trifoliorum......Page 70
Bean rust: Uromyces appendiculatus......Page 71
Bean rust: Uromyces fabae......Page 72
Common blight: Xanthomonas campestris pv. phaseoli......Page 74
Section 5 Viral Diseases......Page 75
Alfalfa mosaic virus (AMV)......Page 76
Broad bean stain virus (BBSV) and broad bean true mosaic virus (BBTMV)......Page 77
Bean common mosaic virus (BCMV)......Page 78
Bean curly top virus (BCTV)......Page 79
Bean leaf roll virus (BLRV)......Page 80
Bean yellow mosaic virus (BYMV)......Page 81
Cucumber mosaic virus (CMV)......Page 82
Pea early browning virus (PEBV)......Page 83
Pea enation mosaic virus (PEMV)......Page 84
Pea seed-borne mosaic virus (PSbMV)......Page 86
Pea streak virus (alfalfa mosaic/red clover vein virus) (PSV)......Page 88
Pea top yellows virus (PTYV) syn. pea leaf roll virus, bean leaf roll virus (BLRV)......Page 89
Section 6 Pests of Stem, Foliage, and Produce......Page 91
Pea aphid: Acyrthosiphon pisum......Page 92
Cutworms: Agrotis segetum......Page 94
Black bean aphid: Aphis fabae......Page 95
Silver Y moth: Autographa gamma......Page 97
Pea seed beetle: Bruchus pisorum......Page 98
Bean seed beetle: Bruchus rufimanus......Page 100
Tortrix moth: Cnephasia asseclana......Page 102
Pea midge or pea gall midge: Contarinia pisi......Page 103
Pea moth: Cydia nigricana......Page 105
Slugs and snails: Deroceras reticulatum, Cernuella sp.......Page 107
Stem nematode: Ditylenchus dipsaci......Page 109
Heliothis caterpillar (corn earworms): Helicoverpa armigera and other Helicoverpa spp.......Page 110
Pea cyst nematode: Heterodera gottingiana......Page 112
Pea thrips: Kakothrips pisivorus......Page 114
Leaf miners: Lyriomyza spp.......Page 115
Root knot nematode: Meloidogyne spp.......Page 116
Two-spotted spider mite: Tetranychus urticae......Page 117
Stubby root nematode: Trichodorus spp. and Paratrichodorus spp.......Page 118
Section 7 Seedling and Crop Disorders......Page 121
Manganese deficiency......Page 122
Seed vigour......Page 124
Sulphur deficiency......Page 125
Iron deficiency......Page 126
Further Reading......Page 128
L......Page 129
X......Page 130