RF2HA46EN–Common bunt, or stinking smut and covered smut, is a disease of spring and winter wheats caused by Tilletia tritici and laevis.
RMMA7F1D–. Einführung in die Biologie . Fig. 27. a Rost-, b Wintersporen von Puccinia graminis, Getreiderost, c—e Wintersporen von Gymnosporangium juniperinum. 230/1. Zelle der geteilten Wintersporen (c) treibt einen zarten Keimschlauch'(rf), der durch Querwände vier Zellen außer dem Stiel bildet. Und jede der vier Zellen erzeugt seitwärts eine dünne lange Ausstülpung, deren Spitze zu einer eiförmigen, dünnwandigen Spore wird (e). Sind die Sporen reif, so ist alles Plasma mit den rotgelben Öltröpfchen aus dem Keimfaden in sie eingewandert. Der geteilte Keimfaden der Wintersporen heißt Sporenständer (Ba
RM2CDDB5K–. The rusts of Australia, their structure, nature, and classification . !» 5 7 ? His ... r; r CCBrtiLAanJcVA. V M^lpuie.Dwextf RS Brrwv.Gov* Pnxter. CHICORY, PEACH, AND APRICOT RUSTS. 230 Explanation of Plates. PLATE E. (All Figures nat. size.) PUCCINIA CHRYSANTHEMI on CHRYSANTHEMUM.Fig. 21. Uredosori on under surface of leaf. PUCCINIA CALENDULAE ON MARIGOLD (Calendula officinalis). 22. Aecidia and teleutosori on under surface of leaf. 23. Uredo and teleutosori on stem. PUCCINIA HEDERACEAE on NATIVE VIOLETS. 24. Uredo and teleutosori on under surface of leaf of Viola hcderacca. 25. Aecidia on
RME4CBHB–Hollyhock rust, Puccinia malvacearum, severe damage anf spotting on the top surface of a hollyhock leaf
RF2JG5594–Severe yellow or stripe rust Puccinia striiformis on a wheat crop.
RMMCR90E–. Abb. 2,3. Teleutosporenlager von Puccinia, Lolii um die Uredolager gruppiert. (Nach Klebahn). Festuca gigantea: Welwarn (Kabät)! Hole US lanatus: auf Wiesen sehr verbreitet. Hole US mollis: Rovensko! Turnau (Kabät)! Lolium perenne: Ueberall sehr verbreitet! Sie kommt noch auf Alopecurus pratensis, Glyceria aquatica und anderen Gramineen vor. Eriksson und Klebahn unteischeiden folgende Spezialformen: f. sp. Avenae auf Avena sativa. f. sp Lolii auf Lolium perenne. f. .sp. Hole! auf Holcus lanatus, H. mollis. f. sp Festucae auf Festuca pratensis. f. sp. Alopecuri auf Alopecurus pratensis. f. sp
RM2CEG02P–. Journal of Agricultural Research. Journal of Agricultural Research Washington, D. C. Puccinia glumarum and Hosts for Variety tritici Plate 4.
RMJ36FHE–Severe infection black stem rust (Puccinia graminis) on bearded (awned) wheat leaves, stems & ears
RF2JCAGWP–Stripe Rust on Wheat Leaf (Puccinia striiformis)
RMMCTKJB–. Fig. 28. Promycelbildung von Tilletia C'aries (4C0|1). Fig. 29. Promjcelbilduug von Puccinia rubigo vera (390/1). (Nach Tulasne.) (Nach De Bary.) Mycelium. Bei genügender Ernährung wächst der Keimschlauch bei allen Pilzen mit Ausnahme der Chytridineae, wo er unmittelbar den Anfang eines Fruchtkörpers bildet, durch andauerndes Spitzen wachs tum in einen fadenförmigen Schlauch, Hyphe, aus. Gewöhnlich senden diese Hyphen mehr oder weniger reichliche Seiten- zweige ab, welche ganz wie die Haupthyphe durch Spitzenwachstum sich verlängern und w ieder weiter verzweigen können. Bei einer Reihe niede
RM2CEG717–. Journal of Agricultural Research. Journal of Agricultural Research Washlngtcn, D. C, Puccinia glumarum and Hosts for Variety tritici Plate 2
RMMRDE9C–Arum or ramson's rust, Puccinia sessilis, pustules and lesions on leaves of wild arum, lords and ladies, Arum maculatum
RF2JE8BYP–Leaf spot of rye, septoria leaf blotch, speckled leaf blotch of rye. Mycosphaerella graminicola.
RMMAAH3M–. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz . Etidoiihyllum. Im Bau ganz gleich den Aecidien Von Puccinia und Uromyces. Aber die Sporen bilden bei der Keimung ein Promycelium mit Sporidien. Fig. 1. Endophyllum Euphorbiae silvaticae, Spore; (nach Tulasne). Keimende XT. Uroiuyces Link (Obs. in Ord. plant, nat. IL in: Magaz. d. Gesellsch. natiirf. Freunde zu Berlin. Bd. VIL pag. 28). TeleutoSporenlager horizontal ausgebreitet, aus unter sich freien Sporen bestehend, daher mehr oder weniger locker-pulverig. Teleuto- Sporen einzellig. Wie bei den meisten Ure
RM2CEG1KW–. Journal of Agricultural Research. Journal of Agricultural Research Washington, D. C. Puccinia glumarum and Hosts for Variety tritici Plate 4
RMMRDEA8–Arum or ramson's rust, Puccinia sessilis, pustules and lesions on leaves of wild arum, lords and ladies, Arum maculatum
RF2JE8BY8–Leaf spot of rye, septoria leaf blotch, speckled leaf blotch of rye. Mycosphaerella graminicola.
RMMCR8YF–. Abb. -il. Puccinia fuäca. 1.—3. Teleutosporen. 4. Anemone nemorosa mit Tekuitosporenlagern. '). Vergrösserten Teleutosporenlagern. Von Mitte März bis Ende Juni auf Anemone nemorosa viel verbreitet. Das Mycel überwintert im Rhizom und dringt im Frühjahre in die Blätter ein, welche bleicher werden und nur schmale Blattzipfel entwickeln. 200. Puccinia Pulsatillae (Opiz) Rostrup. — D i c a e o m a P u 1 s a t i 11 a e Opiz. — Puccinia subfusca Holway. Spermogonien selten entwickelt, blattoberseits, braun. Teleutosporenlager blattunterseits gleichmässig verteilt, lange von dünner, weisslicher Epi
RM2CEFTBR–. Journal of Agricultural Research. Journal of Agricultural Research Washington, D. C. Puccinia glumarum and Hosts for Variety tritici Plate 6.
RMMRDEA7–Arum or ramson's rust, Puccinia sessilis, pustules and lesions on leaves of wild arum, lords and ladies, Arum maculatum
RF2JE8C00–Leaf spot of rye, septoria leaf blotch, speckled leaf blotch of rye. Mycosphaerella graminicola.
RMMCKCBJ–. I'iG. 87.—Puccinia asparagi. 1, aecidium stage on a young shoot of asparagus ; 2, teleutospore stage on a summer plant; 3, aecidiospores; 4, uredospores; 5, teleutospores. l*"ig- 2 reduced, remainder variously mag. bright orange spores. The pustules of summer-spores and winter-spores develop at a later stage, and arc mostly con- fined to the leaves, where they appear under the form of minute brown or blackish pustules which soon become powdery. I. Forming large orange patches on stem and leaves. Spores subglobose, minutely warted, pale yellow, 35-45 X 18-25 /i. II. Small brown pustules
RM2CEG4DG–. Journal of Agricultural Research. Journal of Agricultural Research Washlngtcn, D. C, Puccinia glumarum and Hosts for Variety tritici Plate 2.
RMMRDE9B–Arum or ramson's rust, Puccinia sessilis, pustules and lesions on leaves of wild arum, lords and ladies, Arum maculatum
RF2JE8BYX–Leaf spot of rye, septoria leaf blotch, speckled leaf blotch of rye. Mycosphaerella graminicola.
RMME6KGR–. Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet . Fig. 41. A — C J'ucchiia Hflianthi &chw. ii Teleutosiiorenlauer auf l/</i'nii</i«s a)i»«MS. Nat. Gr. £ einige Sporen- Ittger schwach vi-rgr. C eine Teloutdspore 500(1. JJ—F I'uccinia Aspaiai/i Dt'. JJ Abgestorbener Zweig ou Aspa- rniius officinuHs mit Teleutügporenpolstern. Nat Gr. E Uredosporu 5U0/1. /' Teleutospore .500/1. 0—J Puccinia Mlii (DC). 0 u. U Teleuto- und ÜrodoBporenlager auf AUiuiii sativum
RM2CEFX4H–. Journal of Agricultural Research. Journal of Agricultural Research Washington, D. C. Puccinia glumarum and Hosts for Variety tritici Plate 6
RMAPEXTX–Severe infection of wheat leaf or brown rust Puccinia triticina (recondita) on a bearded wheat Kansas USA
RF2JE8BYG–Leaf spot of rye, septoria leaf blotch, speckled leaf blotch of rye. Mycosphaerella graminicola.
RMMAAH88–. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz . Darluea Filum (Bivon.) Gast a. Ein Blatt von Chondrilhi mit Easen von Piu'cinia, auf welchen der Pilz sitzt, in nat. Grösse. h. Ein schwach vergrösscrter Puccinia-Easen mit dem Pilze. c. Zwei Fruchtgehäuse von der Seite gesehen, ziemlich stark vergrüssert. d. Ein stark vergrössertes Fruchtgehäuse von oben. e. Sehr stark vergrösserte Sporen. Alles nach Saccardo, Fung. ital. del. Taf. 1473. Die Species dieser Gattung unterscheiden sich von jenen der anderen Gattungen mit zweizeiligen hyalinen Sporen durch die
RM2CDD8E2–. The rusts of Australia, their structure, nature, and classification . 0 G. H. Kobinson, Phot.. PUCCINIA, UROMYCLADIUM, AND UROMYCES. 328 Explanation of Plates. PLATE XLIV. RUST-RESISTING and RUST-LIABLE WHEATS. Fig. 320. Rerraf, a variety of wheat generally found to be rust-resisting, and the straw is shown to be perfectly clean. 321. Queens Jubilee, a rust-liable variety, grown alongside of the other, and badly attacked by Puccinia graminis. Plate XLIV
RMA79HHK–Wheat leaf or brown rust Puccinia triticina (recondita) infection on a awned wheat crop in Kansas USA
RF2JR2730–Rust caused by Puccinia komarovii on green leaf of Impatiens parviflora (Small balsam)
RMME6KFH–. Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet . D + ff Fig. 44. AâD Puccinia ftisca (Kelh.) auf Anemone nemorosa. A v. C in nat. GröÃe. B n. D schwach vergr. E u. F Pvcci)iia üeranit silvaiici Karst, auf einem durch den Pilz getöteten Blatte von Geranium silvaticiim, besonders auf dem stark deformierten Stiele. Die pulverigen Sporenmassen überziehen die erkrankten Stellen vollsländig. (Original.) P. Sect. Leplopuccinia. Diese Section lässt sich von der vo
RM2CDD8MF–. The rusts of Australia, their structure, nature, and classification . omewhatspherical, and be divided longitudinally and obliquely, so as to resemblea Sfhaerofhragmium. The variation even in the same sorus is sometimesgreater than it is between some different species. PUCCINIA LUDWIGII. 300. Teleutospores may be divided generally as in the above, although the four- celled forms are not quite so frequent. PUCCINIA GRAMINIS. 301. Teleutospores are also one to four celled, but the septa are generally transverse, while the upper cell may occasionally be longitudinally divided. PUCCINIA TRITICIN
RMMTF1EY–Leek rust, Puccinia allii (syn P. porri), fungal disease infection and orange pustules on leaves of leek, May
RF2JR272N–Rust caused by Puccinia komarovii on green leaf of Impatiens parviflora (Small balsam)
RMME83HA–. Die Krankheiten der Pflanzen; ein Handbuch für Land- und Forstwirte, Gärtner, Gartenfreunde und Botaniker . ieleutofporenlartcr uon Paccinia coronata; '2tüd cineS S)urd)-- ld)nittco burd) ein -Oafcrblatt, uiü man bic ':Ieleutofporcn uutcr= l)alb bcr nidjt burd)brod)cncn CSpibermis e, ^luifd^cn bicfcr unb ben 5DRcfopl)i)U3eUcn bec 23lattcö p ftcl)cn fte^t; bei x unaue-- gebilbet gebliebene, cbcnfalio gebräunte 2:c(eutüfporeu. 48üfad) oergvöfiert. and) luiriua) ui mana;cii oiiijieu epibcmifd) uoui 5(cibium befallen finb, biejclbe JKüUc u>ic bcr 2aucrbürn für bic Puccinia j^^raminis, "J
RM2CDC2XT–. Introduction to the study of fungi, their organography, classification, and distribution for the use of collectors . sne. ^nd couvcrscly the promycehal spores of Puccinia graminis (Fig 118) may be usedto inoculate the leaves of the berberry, and produce thereonAecidium herheridis. This is the theory and its application,which we will here leave as itstands. In another group, theBraclnj - pueciniae, spermogonia,uredospores, and teleutospores arefound on the same species of plant,but the aecidia are unknown. Tothis succeeds the Hcmi-fuecinia,in which uredospores and teleuto-spores occur on the
RMMTF1E8–Leek rust, Puccinia allii (syn P. porri), fungal disease infection and orange pustules on leaves of leek, May
RF2HA77FG–Stem rust, also known as cereal rust, black rust, red rust or red dust, is caused by the fungus Puccinia graminis.
RMMCR92G–. Abb. 13. Schrocleriaster alpinus. 1. Eine Uredospore. 2. Schnitt durch ein Teleutobporenlager. 3. Zwei Etagen von Teleutosporen. Ob dieses Aecidium hierher oder nur zu Puccinia Phragmitis gehört, ist allerdings noch fraglich. Die Teleutosporen sind dicht zusammengeklebt und weil sich immer neue und neue Sporen aus der Basalschicht entwickeln, so entstehen auf diese Weise 4 —5schichtige Lager. Puccinia Persoon. Spermogonien wie bei Uromyces. A e c i d i e n ebenso; nur bei einigen Arten fehlt das Pseudoperidium und anstatt dessen sind die Aecidien an der Aussenseite von einem Hy p h e n m ant
RM2CEXNBP–. The vegetable kingdom : or, The structure, classification, and uses of plants, illustrated upon the natural system. are little excrescencesupon the roots, and the celebrated Ergot is producedby the action of a minute parasite. There is indeed adifficulty about such species as Sclerotium scutellatum ;but there is little doubt that, in the main, Leveillesobservations, even though from tlie nature of the sub-ject the proof is not rigorous, are fomided in fact.Some supposed species of Uredo are merely the youngof Puccinia, Aregma, &c. ; but there are also truespecies of the genus. See Henslow, J
RMMTF1ET–Leek rust, Puccinia allii (syn P. porri), fungal disease infection and orange pustules on leaves of leek, May
RF2HA77HB–Stem rust, also known as cereal rust, black rust, red rust or red dust, is caused by the fungus Puccinia graminis.
RM2CEGGH4–. The Gardeners' Chronicle : a weekly illustrated journal of horticulture and allied subjects. eterce:ioas Uredinese belong to thegeiius Puccinia, and in this group it is a noteworthyfact that the uredospores and teleutospores in allthe species described are only to be found on mono-cotyledons—generally grasses, sedges, or rnshes. A somewhat remarkable exception, however, hasfallen under my notice. The species referred to isPuccinia Bistortse, Ser. = Puccinia Bistortaa, DC,which is classed in Plowrights Monograph of theBritish Urcdinem and Uitilaginem under Hemi-pucciaia, a group that is suppo
RMMTF1D6–Leek rust, Puccinia allii (syn P. porri), fungal disease infection and orange pustules on leaves of leek, May
RF2HA77H9–Stem rust, also known as cereal rust, black rust, red rust or red dust, is caused by the fungus Puccinia graminis.
RM2CDD90Y–. The rusts of Australia, their structure, nature, and classification . G. H. Robinson, Phot. x 2.in - ..mi. PUCCINIA AND PHRAGMIDIUM. LORANTHACEAE AND ROSACEAE. 3° 4 Explanation of Plates. PLATE XXXII. UROMYCLADIUM.Fig. 27V Leaves of Acacia longiJolia, with the tuberculate spermogonial M>ri of Urotny-cladium maritimum ... ... ... ... ... Dat. size 274. Leaves of Acacia melanoxylon, the upper with tuberculate spermogonial sori, and the lower with minute pulverulent sori, both of U. robinsoni. ... nat. size 1 275. Leaf of Acacia fycnantha, with the minute powdery sori of U. simplex, oat. si
RMMTF1DX–Leek rust, Puccinia allii (syn P. porri), fungal disease infection and orange pustules on leaves of leek, May
RF2HA77FN–Stem rust, also known as cereal rust, black rust, red rust or red dust, is caused by the fungus Puccinia graminis.
RMMCTNPB–. Percentages of smut . , . in crop . Seed lot B Seed lot A 85.. 1 55-4 56.7 .82.4 5^.7 79'7 93.2 6.0 0.0 0.0 0.4 9.2 0.2 0.0 a.o 7.G Seed lot B 2,8 0.0 0.0 0.0 5-4 0.0 0.0 0.0 ZL.8 Stem rust caused by Puccinia graminis Pers. Stem rust of,, o^ts. occurred over, a wi.de ra.r^ge ,in I919 as previous years. In a number of states, notably Minnesota, the Dakotas, and Nebraska, the disease caused considerable losses,whi le in many others the .losses from this disease on oats was negligible. On. the accompanying map are'indicated the ocairrence and estimated percentages of reduction in yield in the v
RM2CEFNP0–. Journal of Agricultural Research. Journa! of Agricultural Research Washington, D. C, *f fe ^ > PLATE 6 Portions of inoculated leaves showing effects of inoculation with Puccinia glumarumtritici. A.—Distal portions of leaves of Red Winter spelt (C. I. No. 1772), showing normaluredinia, but few and scattered, with leaf tissue abundantly discolored. This con-dition represents grade 2 of the five gradations in susceptibility to infection by striperust. B.—Distal portions of leaves of Bromus sterilis, showing uredinia normal andmoderately abundant, with but little discoloration of leaf tissue
RMMTF1ED–Leek rust, Puccinia allii (syn P. porri), fungal disease infection and orange pustules on leaves of leek, May
RF2HA77GN–Stem rust, also known as cereal rust, black rust, red rust or red dust, is caused by the fungus Puccinia graminis.
RM2CDD930–. The rusts of Australia, their structure, nature, and classification . G. II. Robinson, Phot. UREDO. Explanation of Plates. PLATE XXIX. (All Figures X 250.) ADDENDA TO PUCCINI A.Fig. 250. Uredospores and lelcutospores of Puccinia menthae on Metitha fulegium. 251. Uredospores of P. ehrysanihemi on Chrysanthemum indicum, from New South Wales. 252. Isolated teleutospore found associated with the same. 253. Uredospores and teleutospores of P. chrysanthemi on Chrysanthemum cult., Japan. (Herbarium A. Ideta.) 254. Abnormal teleutospore associated with uredospores and teleutospores of same. 255. Mes
RMMTF1DY–Leek rust, Puccinia allii (syn P. porri), fungal disease infection and orange pustules on leaves of leek, May
RF2HA77FW–Stem rust, also known as cereal rust, black rust, red rust or red dust, is caused by the fungus Puccinia graminis.
RM2CDD9YE–. The rusts of Australia, their structure, nature, and classification . (J. H. Itoliin-oii, lhot PUCCINIA. CARYOPHYLLACEAE, MALVACEAE, and GERANIACEAE. 266 Explanation of Plates. Fig. 106. 108. PLATE XIII. {All Figures X 250 unless otherwise stated.)PUCCINIA. Teleutospores of Pitccinia eriostemonis on Eriostcmon myoporoidrs. Teleutospores of P. correae on Correa lawrenciana. Teleutospores and mesospores of P. boroniae on Boronia s-pinescens. Teleutospores and mesospores of P. ?pritzeliana on Tremandra sielligcra, someteleutospores having germinated. lorj. Teleutospores of P. hedcraceae on Viol
RMMTF1CW–Leek rust, Puccinia allii (syn P. porri), fungal disease infection and orange pustules on leaves of leek, May
RF2JG554G–Severe yellow or stripe rust Puccinia striiformis on a wheat crop.
RM2CDDA40–. The rusts of Australia, their structure, nature, and classification . gures X 250.)PUCCINI A. Fig.77. Teleutospore of Puccinia oliganthae on As ferula ohganlha. -8. Teleutospores, some having germinated, of P. cofrosmae, en Coprosma hirtella. 79. Uredospore> and teleutospores of P. efilobii-tctragoni on Efilobium glabelluni, Murramurrangbong Ranges, Victoria. 80. Uredospores and teleutospores of P. efilobii-tetragoni on Efilobium montanum. (Sydow, Uredineen, 1369.) Si. Teleutospores of P. efilobii DC. on Efilobium roseicm, the teleutospores havingmuch thinner walls, and being more variabl
RMAPG2YY–Powdery mildew Blumeria graminis f.sp. hrdei brown rust Puccinia hordei infection on seedling barley leaf
RF2JG554W–Severe yellow or stripe rust Puccinia striiformis on a wheat crop.
RM2CDD9YW–. The rusts of Australia, their structure, nature, and classification . <;. II. Robinson, Phot. x -50- PUCCINiA.FICOIDEAE, POLYGONACEAE, and CHENOPODIACEAE. 264 /Explanation of Plates. PLATE XII. [All Figures X £50.) PUCCINIA.Fig. 97. Teleutospores of Puccinia arenariae on Stellaria media. 98. Teleutospores of P. flagianthi on Plagianthus sidoides, the epispore being slightly channelled. 99. Teleutospores (stained; of P. malvacearum on Malva rotundifi 100. Teleutospores and mesospore of P. malvacearum on Lavatcra flfbcia. 101. Teleutospores, mostly one-celled, of P. liettrospora on Abutilon
RM2A5J9EC–Brown rust or wheat leat rust (Puccinia triticini) a severe infection of this fungal disease in a French wheat crop
RF2JG5599–Severe yellow or stripe rust Puccinia striiformis on a wheat crop.
RM2CDCB21–. Fungous diseases of plants, with chapters on physiology, culture methods and technique . Fig. 202. PucciNiA graminis. (After Ward)rt, section of barberry leaf showing spermogonia and aecidia; h, aecidium stage, which breaks through the epidermis in somewhat similarmanner. The spermogonium shows a very simple development,resulting by the gradual growth in extent of a small mass of fila-mentous hyphae developing in an intercellular manner just beneath 412 FUNGOUS DISEASES OF PLANTS the upper epidermis. At maturity the flask-shaped body consistsof an indefinite wall, later giving rise to numero
RMJ36FH9–Black stem rust, Puccinia graminis f.sp. tritici, infection on durum awned wheat in green ear, Minnesota, USA, July
RF2T5PJDG–Rust of sunflower. Spores visible under magnification. A fungal disease of sunflowers caused by Puccinia helianthi.
RM2CDDACE–. The rusts of Australia, their structure, nature, and classification . I I from a On ? G. II Robinson, Ihot x 250 PUCCINIA. APOCYNACEAE, GOODENIACEAE, and CAMPANULACEAE. 254 Explanation of Plates. PLATE VII. (All Figures X J50.)PUCCINIA. rig. 52. Teleutospores and mesospores of Puccinia tasmanica on Senccio vulgaris, one teleutospore being three-celled. 53. Teleutospores and mesospores of P. angustijoliae on Scorzonera angustijolia. 54. 55. Sections of teleutosori of P. lagcnefhorac on Lagenofhora billardieri, show- ing mesospores and teleutospores. 56. Teleutospores and mesospoies of P. heli
RM2C0292W–Garlic or leek rust (Puccinia allii) fungal disease pustules on garlic leaves and stem, Berkshire, June
RF2WK8EN3–Wheat leaf or brown rust Puccinia trticina (recondita) erupting sporulating pustules on a cereal.
RM2CDDAPY–. The rusts of Australia, their structure, nature, and classification . G. H. Robinson, Phot, PUCCINIA. GRAMINEAE. 246 Explanation of Plates. PLATE III. (All Figures X 250.) PUCCINIA. Fig. 20. Section of teleutosorus of Fuccinia anlhoxanthi on Anthoxanthum odoratum, one- spore with a septate pedicel laterally inserted. 21. Group of teleutospores of the same, one with a much inflated pedicel. 22. Teleutospores of F. foarum on Poa annua. 23. Teleutospores of P. perplexans on Alofecurus geniculates. 24. Teleutospores of P. cynodonlis on Cynodon dactylon. rtion of teleutosorus of P. agropyri on Ag
RM2C02927–Garlic or leek rust (Puccinia allii) fungal disease pustules on garlic leaves and stem, Berkshire, June
RF2WK8EDX–Wheat leaf or brown rust Puccinia trticina (recondita) erupting sporulating pustules on a cereal.
RM2CDDB2K–. The rusts of Australia, their structure, nature, and classification . R. S.BrojMs GovtPrtnUr. CCBrtideboAkJil D2feAlfii/ie.DirerU, CHRYSANTHEMUM, MARIGOLD, VIOLET, AND DAISY RUSTS. 232 Explanation of Plates. PLATE F. (All Figures nat. size.) PUCCINIA LAGENOPHORAE ON LAGENOPHORA BILLARDIERI. Fig. 27. Aecidia and teleutosori on both surfaces of leaves. PUCCINIA MALVACEARUM on LAVATERA PLEBEIA. 2S. Teleutosori on under surface of leaf and on leaf-stalk. PUCCINIA MORRISONI ON PELARGONIUM AUSTRALE.29. Aecidia, uredo, and teleutosori on under surface of leaf, and teleutosori on stem. PLATE F. CCBr
RM2C4X4FP–Corn, maize or sorghum rust (Puccinia sorghi) fungus disease pustules on maize or corn leaf, Illinois, USA
RF2WK8EMR–Wheat leaf or brown rust Puccinia trticina (recondita) erupting sporulating pustules on a cereal.
RM2CDDAGP–. The rusts of Australia, their structure, nature, and classification . PUCCINIA. CYPERACEAE and JUNCACEAE. 1 2 .250 Explanation of Plates. PLATE V. {All Figures X 250.) PUCCINIA.Fig.37. Teleutospores and mesospores of Puccinia wurmbeae on Wurmbea dioica ]S. Uredospores of P. bur chardiae on Burchardia umbellata. 39. Teleutospores, one three-celled, of the same. .40. Teleutospores and mesospores of P. haemodori on Haemodorum sp. 41. Teleutospores and mesospores of P. hyfoxidis on Hyfoxis glabella. 42. Teleutospores, two three-celled, of P. dichondrae on Dichondra re-pens. 43. Teleutospore and
RM2E31TMX–Wheat leaf rust or brown rust (Puccinia triticina) infection on the flagleaves and crop of a winter wheat in ear
RF2WK8EE5–Wheat leaf or brown rust Puccinia trticina (recondita) erupting sporulating pustules on a cereal.
RM2CECW82–. The book of wheat : an economic history and practical manual of the wheat industry. ttack wheat.Puccinia coronata, the crown rust,is comparatively unimportant. Thetwo distinctive rusts are Pucciniaruhigo-vera, the early, orange leaf-rust, and P. gram-inis, the late, stem-rust. The former is popularly called redand the latter black rust. Both species, however, producefirst reddish and then black spores, but in the orange leaf-rustthe red spores are far more abundant than the black ones, Avhilein the stem-rust the black spores arc the more abundant. Life History.—The wheat rusts belong to that
RM2E31TN2–Wheat leaf rust or brown rust (Puccinia triticina) infection on the flagleaves and crop of a winter wheat in ear
RF2WK8EDH–Wheat leaf or brown rust Puccinia trticina (recondita) erupting sporulating pustules on a cereal.
RM2CDDAFT–. The rusts of Australia, their structure, nature, and classification . % G. U. Robinson, Phot. x 250. PUCCINIA. LILIACEAE, HAEMODORACEAE, AMARYLLIDEAE, and ACANTHACEAE. 2^2 Explanation of Plates. PLATE VI. (All Figures X 250.) PUCCINIA.Fig. 45. .roup of teleutospores of Puccinia carissae on Carina ovata. 46. Section of teleutosorus of P. alyxiae on Alyxia buxijolia, with telcutospores .irnl mesospores. 47. Telcutospores of P. gilgiana on Leschcnaultia linarioides. 48. 49. Telcutospores and mesospores of P. saccardoi on Goodenia geniculate 50. Teleutospores and mesospores of P. brunoniae on Br
RM2BYMT2R–Mallow rust (Puccinia malvacearum) necrotic lesions on the upper surface of a common mallow (Malva neglecta) leaf, Berkshire, June
RF2WK8EEW–Wheat leaf or brown rust Puccinia trticina (recondita) erupting sporulating pustules on a cereal.
RM2CDD9YK–. The rusts of Australia, their structure, nature, and classification . 0. II. Robinson, Phot PUCCINIA. RUTACEAE, TREMANDREAE, and VIOLACEAE 268 Explanation of Plates. PLATE XIV. {All Figures X ^50.) PUCCIXIA GRAMINIS on VARIOUS GRASSES.Fig. 113. Teleutospores and mesospores on wild oat, Avena fatua. 114. Teleutospores on barley, Hordeum vulgare. 115. 116. Teleutospores, mesospores, and uredospore, one of the first three-celled, on native barley, Echinofogon ovatus. 117. Teleutospores on cocksfoot, Dactylis glomcrata. 118. Teleutospores and uredospores on silver grass, Fesiuca bromoides. 1 hi.
RM2BYMT1X–Mallow rust (Puccinia malvacearum) necrotic lesions on the upper surface of a common mallow (Malva neglecta) leaf, Berkshire, June
RF2WK8E9R–Wheat leaf or brown rust Puccinia trticina (recondita) erupting sporulating pustules on a cereal.
RM2CDDA9K–. The rusts of Australia, their structure, nature, and classification . •• mm y. G. H. Robinson, Phot 256 Explanation of Plates. PLATE VIII. (All Figures X 250.) PUCCINIA.Fig. 60. Section of teeutosorus of Puccinia cinerariae on Cineraria sp. cult, with teleuto- spores and mesospores. 61. Three uredospores and several teleutospores of P. cichorii on Cichorium intybus. 62. Uredospores and teleutospores of P. hyfochocridis on Hypochoeris radicala. 63. Teleutospores of the same. 64. Two uredospores and numerous teleutospores of P. cyani on Cenlaurea cyanus.*>;. Due mesospore and several teleut
RM2BYMT2H–Mallow rust (Puccinia malvacearum) disease pustules on the lower surface of a common mallow (Malva neglecta) leaf, Berkshire, June
RF2WK8EEM–Wheat leaf or brown rust Puccinia trticina (recondita) erupting sporulating pustules on a cereal.
RM2CDD90B–. The rusts of Australia, their structure, nature, and classification . ,•-? o oc (#* o .« !? esa w m v . ^ PUCCINIA AND UREDO. 302 Explanation of Plats. PLATE XXXI. {All Figures X 250 unless otherwise stated.) ADDENDA to PUCCINIA and PHRAGMIDIUM.Fig.26S. Leaf of Loranthus celastroides, showing uredosori and teleutosori of Puccinia loranthicola ... ... ... ... ... ... ... nat. size 269. Teleutospores from same. 270. Uredospores from s;.me. 271. Leaf of Loranthus celastroides, with aecidia of same ... ... nat. size 2-2. Teleutospores of Phragmidiitm longissimum. a. Four and five celled spores,
RMA52RJN–White rust Puccinia horiana on the underside of a Chrysanthemum leaf
RF2WK8EEF–Wheat leaf or brown rust Puccinia trticina (recondita) erupting sporulating pustules on a cereal.
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