Histopathology of Seed-Borne Infections - Applied Research Center ...

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Seed Infection by Viruses 211TABLE 7.4Virus Distribution in Floral Parts and Ovule and Seed of Crop PlantsVirus Host PartsImportantReferencesAlfalfa mosaic(AMV)Bean common mosaic(BCMV)Barley stripe mosaic(BSMV)Bean pod mottle(BPMV)Cowpea mosaic(CPMV)Lettuce mosaic(LMV)Maize dwarf mosaic(MDMV)Pea seed-bornemosaic (PSbMV)Medicago sativaPhaseolus vulgarisAnther, pollen, ovary wall,ovule integument; seedcoat, embryoBud, ovary, ovule (not inembryo sac)Seed, embryoWilcoxson et al.,1975; Pesie andHiruki, 1986; Pesicet al., 1988; Bailissand Offei, 1990Crowley, 1957;Schippers, 1963Ekpo and Saettler,1974Vigna mungo Embryo Agarwal et al., 1979V. unguiculata Seed coat, embryo Patil and Gupta, 1992;Gillaspie et al., 1993Arachis hypogaea Seed coat, embryo(cotyledon and plumule)Demski and Lovell,1985; Xu et al., 1991Hordeum vulgareAnther cells, pollen grainsincluding sperms; ovuleintegument,nucellus,female archesporium andgametophytes includingegg, synergids, antipodals,zygote, endosperm,embryo-plumule, scutellumCarroll, 1969, 1974,1981; Carroll andMayhew, 1976a,b;Mayhew and Carroll,1974; Brlansky et al.,1986Phaseolus vulgaris Seed coat, embryo Zaumeyer andThomas, 1948Vigna unguiculata Seed coat, embryoPatil and Gupta, 1992(cotyledons, embryonicaxis)Lactuca sativa Ovary wall, integument, Hunter and Bowyer,endosperm, embryo, 1991, 1993, 1994pericarpZea maysPisum sativumAnther (not in pollen grains),silks, unfertilized ovaries,immature kernels (pericarp,endosperm, embryo;mature kernel) rarely inendosperm, pericarp, not inembryoFlower parts, anther, ovary,immature seed-embryo,endosperm, seed coat;mature embryo, seed coatMikel et al., 1982Nemchnov et al.,1990Wang and Maule,1992, 1994Plum pox (PPV) Prunus sp. Seed coat, rarely embryo Eynard et al., 1991(continued)
212 Histopathology of Seed-Borne InfectionsTABLE 7.4 (CONTINUED)Virus Distribution in Floral Parts and Ovule and Seed of Crop PlantsVirus Host PartsImportantReferencesPrune dwarf (PDV) Prunus avium Pollen grains, seed — seedcoat, endosperm, embryo(cotyledons, hypocotyl)radicle axisSoybean mosaic(SMV)Southern bean mosaic(SBMV)Squash mosaic(SqMV)Tobacco mosaic(TMV)Tobacco ringspot(TRSV)Glycine maxPhaseolus vulgarisFlowers, green pods,immature seeds — seedcoat, embryo; matureembryoFlower, fruit all parts,immature seed — seedcoat, embryo; mature seed— seed coatSeed coat, endosperm,embryoKelley and Cameron,1986Galver, 1963; Bowersand Goodman, 1979Cheo, 1955; Crowley,1957; McDonald andHamilton, 1972Cucumis meloAlvarez andCampbell, 1978Lycopersicon Seed coat, endosperm Taylor et al., 1961;esculentumBroadbent, 1965Capsicum annuum Seed coat, rarely endosperm, Demski, 1981embryoMalus sylvestris Seed coat, embryo Gilmer and Wilks,1967Glycine max Pollen grain-intine,Athow and Bancroft,generative cell, ovuleintegument,1959; Yang andnucellus, wall Hamilton, 1974and cells of embryo sac,embryoTobacco rattle (TRV) Lycopersicon Microspore mother cells, Gasper et al., 1984esculentum pollen grainsTobacco streak (TSV) Glycine max Seed coat, embryo Fagbenle and Ford,1970; Ghanekar andSchwenk, 1974in cytoplasm of the zygote and in synergids. Virus particles have been recorded inthe endosperm, embryo, and pericarp (Carroll, 1969, 1972). Although the chancesfor infection of the egg and zygote from pollen tube discharge is not completelyruled out, the presence of virus in the egg secures its transmission from the femalegametophyte.Contrary to the seed-transmitting strain, the plants mechanically infected with theNSP strain of BSMV usually did not reveal the presence of virus particles in youngand mature anthers, ovules, embryo sacs, and embryos (Carroll and Mayhew, 1976a,b).Seed-transmitted strains of AMV seem to resemble BSMV (MI-1) in theirbehavior. Wilcoxson, Johnson, and Frosheiser (1975) detected AMV particles in theepidermis, parenchyma, and vascular parenchyma of the ovary wall, anthers, pollengrains, and embryo (cotyledons). Using ELISA and ISEM, the occurrence of AMV
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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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14 Histopathology of Seed-Borne Inf
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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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Structure of Seeds 79Vries, M.A. de
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100 Histopathology of Seed-Borne In
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TABLE 5.6Location of Mycelium of St
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Page 238 and 239: Seed Infection by Viruses 223REFERE
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