Index 281Sugar beets, see also Beetscolonization, 110, 124nematodes, 244ovary and fruit wall infection wall, 90Sunflowercolonization, 110, 119, 149flowers, 7, 9severity <strong>of</strong> infection, 102Sunn hemp seeds, 147Survival, bacterial infections, 190–191Suspensor, 27–28Syngamy, 23TTagetes, 68Tegmic type seeds, 31, 55TEM, see Transmission electron microscopy(TEM)Tenuinucellar ovules, 20, see also OvulesTestal type seeds, 31, 55Testa nematodes, 239–241Threshed seeds, 92–93, 177–178Tiliaceae, 25Tilletia, 7TMV, see Tobacco mosaic virus (TMV)Tobacco, 132Tobacco mosaic virus (TMV), 222Tobacco ring spot virus (TRSV), 208, 213Tolyposporium, 7Tomatobacterial infection, 170–171, 173–174, 176,188colonization, 145flowers, 7infection penetration, 94stigma and style infection, 88viral infection, 207–208Tradescantia, 53Transmission electron microscopy (TEM), 3, 13,241Transport systems, viral infection, 205–206Trichothecium spp., 61, 104, 141Trifolium, 85Trigonella, 60–61Triticum spp., 20, 39–40, 70, 73, see also WheatTropaelum majus, 253TRSV, see Tobacco ring spot virus (TRSV)Tube cells, 40Turnera ulmifolia, 51Turnip seeds, 111UUniola, 9Unisexuality, 9Unitegmic seeds, 55Urdbean, 217Uredinales, 82Ustilaginales, 82Ustilago spp.infection, 101ovary and fruit wall infection wall, 90ovule and seed infection, 92penetration, 93seed formation, 7VVandezeia subterranea, 61Vascularization, 9–10, 10Vascular supply, 18, 174Verticillum spp., 83, 140–141Vicia faba, 253Vigna spp.host–pathogen interactions, 104ovules, 20seed structure, 61viral infections, 217Viola tricolor, 27Viral infectionsbarley stripe mosaic virus, 209–210, 212–213basics, 2, 199, 199–203, 222bean common mosaic virus, 217cellular contacts, 205–206cryptoviruses, 2, 205, 209cytopathological effects, 219–221inactivation and longevity, 221–222infected plants, 206–207infection and multiplication, 199, 203–205isolation, 205–206lettuce mosaic virus, 217, 218localization, 209–219, 213–216movement, 206–209ovule and seed, 207–209pea seed-borne mosaic virus, 217, 219,219–220storage, 221–222transport systems, 205–206Viroids, 2WWalnut blight, 172Western wheatgrass nematodes, 238
282 <strong>Histopathology</strong> <strong>of</strong> <strong>Seed</strong>-<strong>Borne</strong> <strong>Infections</strong>Wheat, see also Triticum spp.bacterial infection, 170, 177, 188, 192colonization, 120–122, 124, 134, 146ear cockle disease, 231–235flowers, 7, 9host–pathogen interactions, 104–105infection penetration, 93mineral deficiency, 249nematodes, 231, 241ovary and fruit wall infection wall, 90ovule and seed infection, 92Puccinia graminis, 3seed coat surface, 49severity <strong>of</strong> infection, 102White tip nematodes, 239, 242Whole-mount method, 263–264Wings, 51, 178Wounds, bacterial infection, 173XXanthomonas spp., 3, 169–178, 182–185,190–191ZZea spp.embryo, 27infection, 101ovules, 20seed structure, 70, 73Zygotes, 27
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Histopathology ofSeed-Borne Infecti
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PrefaceThe book deals with only one
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The AuthorsDalbir Singh, Ph.D., for
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ContentsChapter 1 Introduction ....
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4.3.2 Routes for Infection from Ova
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8.4 Survival in Seed ..............
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2 Histopathology of Seed-Borne Infe
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4 Histopathology of Seed-Borne Infe
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2Reproductive Structuresand Seed Fo
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Reproductive Structures and Seed Fo
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3Structure of SeedsThe seed habit i
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Structure of Seeds 49(1971) of usin
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Structure of Seeds 51is found in as
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Structure of Seeds 53dry seed of Ly
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Structure of Seeds 553.3.2 SEED COA
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Structure of Seeds 57Endosperm: One
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Structure of Seeds 59scendembepsmuA
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Structure of Seeds 61Endosperm: Sca
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Structure of Seeds 63Chalaza simple
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Structure of Seeds 65stystypmerA Bc
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Structure of Seeds 67epsent endCADB
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Structure of Seeds 69perhscendembpe
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Structure of Seeds 71eposgepi′epo
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Structure of Seeds 73(Zea and Sorgh
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Structure of Seeds 75Baker, D.M. an
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Structure of Seeds 77Maheshwari Dev
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TABLE 5.6Location of Mycelium of St
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7Seed Infection by VirusesViruses a
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Seed Infection by Viruses 201TABLE
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Seed Infection by Viruses 203TABLE
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Seed Infection by Viruses 205Unlike
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Seed Infection by Viruses 2073. The
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Seed Infection by Viruses 209Wilcox
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Seed Infection by Viruses 213floret
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Seed Infection by Viruses 215ptowvv
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Seed Infection by Viruses 2177.4.2
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Seed Infection by Viruses 219seed(s
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Seed Infection by Viruses 221AMV fo
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Seed Infection by Viruses 223REFERE
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Seed Infection by Viruses 225Hunter
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