Author Institution: Department of Botany and Plant Pathology, The Ohio State University, Columbus 1

Ellett, C. Wayne

The Ohio Journal of Science

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BACTERIA PARASITIC ON PLANTS IN OHIO1C. W. ELLETTDepartment of Botany and Plant Pathology, The Ohio State University, Columbus 10In 1883 Burrill described and named a bacterium as the cause of the fire blightdisease of pear. Since this first report of a bacterium pathogenic on plants,additional species have been described and Elliott (1951) enumerates 178 speciesas plant parasites.This report includes a list of 49 species and 2 varieties of bacteria parasiticon plants in Ohio. Bacterial plant diseases in Ohio, such as alfalfa wilt, cucurbitwilt, corn leaf blight and wilt (Stewart's disease), fire blight of apple and pear,FIGURE 1. Bacterial wilt of carnation.crown gall, soft rot of many vegetables, and carnation wilt have resulted in greatlosses of these crops in many different years. Some of these bacterial diseases areillustrated in figures 1 to 5. Fire blight of pear has all but eliminated commercialpear production in the state, although recent research by Winter and Young'Publication 605, Department of Botany and Plant Pathology, The Ohio State University.THE OHIO JOURNAL OF SCIENCE 58(3): 145, May, 1958.Parasitic BacteriaC. W. EllettPLATE I2. TwTig blight phase of bacterial fire blight of apple.3. Enlargement of a portion of figure two with bacterial exudate on stem.4. Bacterial leaf blight. (Stewart's disease) of corn; small portions of diseased tissue removedfor microscopic examination.5. Small portion of corn leaf with bacterial exudate clouding the water.No. 3 PARASITIC BACTERIA 147(1953, 1954) and others indicates that this disease may soon be effectively con-trolled in Ohio.The following compilation of bacteria parasitic on Ohio plants is based uponspecimens in herbaria of The Ohio State University, reports from the availableliterature, and numerous collections and observations of the author throughoutOhio. The Actinomycetales, sometimes considered to be related to the truebacteria, are included in this compilation.The genera of bacteria are those recognized by Elliott (1951). The nomen-clature for the host plants is from Gray's Manual of Botany, 8th edition, 1950or from Bailey's Manual of Cultivated Plants, revised edition, 1949.EubacterialesAgrobacterium rhizogenes (Riker et al.) ConnPyrus malus L. Hairy root.Agrobacterium tumefaciens (E. F. Sm. &Towns.) ConnBeta vulgaris L. Crown gall; stem and/orroot gall of all hosts.Chrysanthemum frutescens L.C. morifolium (Ramat.) Hemsl.Euonymus kiautschovicus Loes.E. fortunei (Turcz.) Hand.-Mazz.Pelargonium sp.Prunus sp. (cherry)P. americana Marsh.P. persica (L.) BatschPyrus communis L.P. malus L.Rosa sp. (cult.)Rubus sp. (blackberry)Rubus sp. (dewberry)R. idaeus L.R. occidentalis L.R. ursinus Cham. & Schlecht.Salix sp.Vitis sp. (cult.)Wistaria sp.Bacterium stewartii E. F. Sm.Zea mays L. Leaf blight and wilt.Corynebacterium fascians (Tilford) DowsonChrysanthemum morifolium (Ramat.) Hemsl.Fasciation of all hosts.Dianthus caryophyllus L.Gypsophila paniculata L.Lathyrus odoratus L.Nicotiana tabacum L.Pelargonium hortorum BaileyPetunia hybrida Vilm.Corynebacteriumflaccumfaciens (Hedges) Dow-sonPhaseolus vulgaris L. Wilt.Corynebacterium insidiosum (McCull.) H. L.Jens.Medicago sativa L. Wilt.Corynebacterium michiganense (E. F. Sm.) H.L. Jens.Lycopersicon esculentum Mill. Stem can-ker and fruit spot.Corynebacterium sepedonicum (Spieck. &Kotth.) Skapt. & Burkh.Solanum tuberosum L. Ring-rot of tuber.Erwinia amylovora (Burr.) Winslow et al.Amelanchier canadensis (L.) Medic. Fireblight of all hosts.Cotoneaster divaricata Rehd. & Wils.C. foveolata Rehd. & Wils.Cydonia oblonga Mill.Prunus sp. (cherry)Prunus sp. (plum)P. serrulata Lindl.Pyracantha coccinea Roem.Pyrus baccata L.P. communis L.P. malus L.Erwinia atroseptica (Van Hall) JennisonSolanum tuberosum L. Blackleg; stem rot.Erwinia carotovora (L. R. Jones) HollandAllium cepa L. Soft rot of all hosts.Apium graveolens L.Brassica oleracea L.B. rapa L.Cyclamen persicum Mill.Daucus carota L.Hyacinthus orientalis L.Iris germanica L.Lactuca sativa L.Lycopersicon esculentum Mill.Rheum rhaponticum L.Solanum tuberosum L.Zantedeschia sp.148 C. W. ELLETT Vol. 58Erwinia chrysanthemi Burkholder et al.Chrysanthemum morifolium (Ramat.) Hemsl.Stem rot and wilt.Erwinia dissolvens (Rosen) Burkh.Zea mays L. Stalk rot.Erwinia tracheiphila (E. F. Sm.) HollandCucumis melo L. Wilt of all hosts.C. sativus L.Cucurbita maxima DuchesneC. pepo L.Pseudomonas alliicola Starr & Burkh.Allium cepa L. Soft rot.Reported, but possibly Erwinia cara-tovora, and not this species.Pseudomonas angulata (Fromme & Murray)HollandNicotiana tabacum L. Angular leaf spot;blackfiire.Pseudomonas apii JaggerApium graveolens L. Leaf spot.Pseudomonas atrofaciens (McCull.) F. L. Stev.Triticum aestivum L. Basal glume rot.Pseudomonas berberidis (Thornberry & H.W. Anders.) StappBerberis thunbergii DC. Leaf spot.Pseudomonas cannae (Bryan) StappCanna generalis Bailey Bud rot.Pseudomonas caryophylli Burkh.Dianthus caryophyllus L. Wilt.Pseudomonas coronafaciens (Elliott) F. L. Stev.Avena sativa L. Halo blight; leaf spot.Pseudomonas coronajaciens atropurpurea(Reddy & Godkin) StappBromus inermis Leyss. Leaf spot; blight.Pseudomonas delphinii (E. F. Sm.) StappDelphinium sp. Leaf spot; black spot.Pseudomonas erodii LewisPelargonium sp. Leaf spot.Pseudomonas glycinea CoerperGlycine max (L.) Merr. Leaf spot; blight.Pseudomonas lachrymans (E. F. Sm. & Bryan)CarsnerCucumis sativus L. Angular leaf spot;fruit spot.Pseudomonas marginata (McCull.) StappGladiolus sp. Scab of corms.Pseudomonas medicaginis SackettMedicago sativa L. Stem blight.Pseudomonas mori (Boyer & Lambert)StevensMorus rubra L. Stem and leaf blight.Pseudomonas phaseolicola (Burkh.) DowsonPhaseolus vulgaris L. Halo blight of leaf,stem and pod.Pseudomonas pisi SackettPisum sativum L. Stem, leaf and podblight.Pseudomonas rhizoctonia (R. C. Thomas)Burkh.Lactuca sativa L. Rosette.Pseudomonas striafaciens (Elliott) Starr &Burkh.Avena sativa L. Stripe blight.Pseudomonas syringae Van HallPhaseolus lunatus L. Brown-spot blight.Trifolium repens L. Leaf spot.Pseudomonas tabaci (Wolf & Foster) StevensGlycine max (L.) Merr. Wildfire; leaf spot.Nicotiana tabacum L. Wildfire; leaf spot.Pseudomonas tomato (Okabe) AlstattLycopersicon esculentum Mill. Speck (fruit,stem, and leaf).Pseudomonas viburni (Thornberry & Ander-son) StappViburnum opulus L. Leaf spot.Pseudomonas woodsii (E. F. Sm.) StevensDianthus caryophyllus L. Leaf spot.Xanthomonas campestris (Pam.) DowsonBrassica oleracea L. Black rot, blight ofall hosts.B. juncea (L.) Coss.B. rapa L.Raphanus sativus L.No. 3 PARASITIC BACTERIA 149Xanthomonas gummisudans (McCull.) Starr& Burkh.Gladiolus sp. Leaf blight.Xanthomonas hederae (Arn.) DowsonHedera helix L. Leaf spot.Xanthomonas papavericola (Bryan & McWhor-ter) DowsonPapaver rhoeas L. Leaf and stem blight.P. somniferum L.Xanthomonas pelargonii (N. A. Brown) Starr& Burkh.Pelargonium hortorum Bailey Leaf blight.P. peltatum Ait.Xanthomonas phaseoli (E. F. Sm.) DowsonPhaseolus lunatus L. Leaf, stem and podblight.P. vulgaris L.Xanthomonas phaseoli sojense (Hedges) Starr& Burkh.Glycine max (L.) Merr. Pustule; leaf spot.Xanthomonas pruni (E. F. Sm.) DowsonPrunus americana Marsh. Leaf spot,fruit spot and stem canker.Prunus persica (L.) BatschXanthomonas solanacearum (E. F. Sm.) Dow-sonLycopersicon esculentum Mill. Wilt ofall hosts.Nicotiana tabacum L.Solanum tuberosum L.Xanthomonas translucens (L. R. Jones, A. G.Johns. & Reddy) DowsonHordeum vulgare L. Leaf blight.Triticum aestivum L. Leaf blight; blackchaff.Xanthomonas vesicatoria (Doidge) DowsonLycopersicon esculentum Mill. Fruit spot;leaf spot.ActinomycetalesStreptomyces scabies (Thaxt.) Waksman &HenriciBeta vulgaris L. Root scab.Raphanus sativus L. Root scab.Solanum tuberosum L. Tuber scab.REFERENCESBurrill, T. J. 1883. New species of Micrococcus (Bacteria). Amer. Nat. 17: 319-320.Elliott, Charlotte. 1951. Manual of Bacterial Plant Pathogens. 2nd. ed. Chronica BotanicaCo., Waltham, Mass. 186 pp.Winter, H. F. and H. C. Young. 1953. Fireblight control may be achieved by antibiotics.Ohio Farm and Home Research 38: 84-85.and . 1954. Streptomycin most effective in controlling fire blight of apple andpear. Phytopath. 44: 511.

Bacteria Parasitic on Plants in Ohio

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Bacteria Parasitic on Plants in Ohio

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