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245 results for “Rust”
FIGURE 1. Pustula junggarensis. A, B in Pustula junggarensis (Albuginales, Oomycota), a new species of white blister rust on Takhtajaniantha pusilla from Junggar Basin in China
FIGURE 1. Pustula junggarensis. A, B: Disease symptoms and signs of the pathogen in stems and leaves. C: Sporangia; D: Sporogenous hyphae; E: Surface ornamentation of oospores; F: Oospores; G: Oogonium and antheridium; Bar: C, D = 20μm; E, F, G = 50 μm.
FIGURE 3 in Puccinia marrubii (Pucciniaceae), a new rust species on Marrubium globosum subsp. globosum from Niğde and Malatya in Turkey
FIGURE 3. SEM photographs of Puccinia marrubii sp. nov. (Ş.Kabaktepe 8430). A. Outer surface of telium on stem. B. Cross-section of telium. C. Teliospore. D. Teliospore wall surface. E. Mesospore.
FIGURE 2 in Puccinia marrubii (Pucciniaceae), a new rust species on Marrubium globosum subsp. globosum from Niğde and Malatya in Turkey
FIGURE 2. Light microscope photographs of Puccinia marrubii sp. nov. (Ş.Kabaktepe 8430). A. Cross-section of telium. B. Mesospore. C. Teliospores. D. Four-celled teliospore.
FIGURE 1 in Puccinia marrubii (Pucciniaceae), a new rust species on Marrubium globosum subsp. globosum from Niğde and Malatya in Turkey
FIGURE 1. Puccinia marrubii sp. nov. on Marrubium globosum subsp. globosum. A.Type specimen (in herbarium INU). B.Telia on upper surface of leaf. C.Telia on petiole.
FIGURE 4 in Puccinia marrubii (Pucciniaceae), a new rust species on Marrubium globosum subsp. globosum from Niğde and Malatya in Turkey
FIGURE 4. Phylogram of the most likely tree obtained from a Bayesian analysis of 73 taxa based on ITS nrDNA. Thickened branches indicate significant Bayesian posterior probabilities ≥ 95%; numbers refer to MrBayes bootstrap support values ≥ 50%. Melampsora epitea (AY471634) and Cronartium quercuum (DQ190735) were used as the outgroup taxa. Newly sequenced taxa are in bold. The new species are shaded in the clade.
FIGURE 4 in Two new Chrysomyxa rust species on the endemic plant, Picea asperata in western China, and expanded description of C. succinea
FIGURE 4. Phylogram constructed by maximum parsimony and Bayesian analyses based on ITS sequences. Bootstrap values were calculated from 1,000 replications. Parsimony bootstrap (before the slash marks) and Bayesian posterior probabilities (after the slash marks) greater than 50% are shown. Bars: 10 nucleotide substitutions. New species and the holotype of C. qilianensis are shown in bold.
FIGURE 3 in Two new Chrysomyxa rust species on the endemic plant, Picea asperata in western China, and expanded description of C. succinea
FIGURE 3. Chrysomyxa qilianensis (HMAS-52077, holotype). A. Infected needles of P. crassifolia with aecia. B. Aeciospores observed by LM. C. Aeciospores observed by SEM. D. Aeciospores with single echinae on peltate base. E. Aecial peridium with coarsely striate outer surface. F. Aecial peridium with warted inner surface. Scale bars: A = 100um; B = 30 μm; C = 10um; D and E = 10μm; F = 10 μm.
FIGURE 2 in Two new Chrysomyxa rust species on the endemic plant, Picea asperata in western China, and expanded description of C. succinea
FIGURE 2. Chrysomyxa zhuoniensis (BJFC-R00521, holotype). A. Gross features of infected needles. B. Aeciospores observed by LM. C–D. Single aeciospores, showing longitudinal smooth cap with broken, fissured edge. E. Crowded, cylindrical warts with uneven tops. F. Aecial peridium with smooth outer surface. G. Aecial peridium with densely warted inner surface. Scale bars: A = 500um; B = 20 μm; C= 10um; D and E = 5 μm; F and G = 30 μm.
FIGURE 1 in Two new Chrysomyxa rust species on the endemic plant, Picea asperata in western China, and expanded description of C. succinea
FIGURE 1. Chrysomyxa diebuensis (BJFC-R00556, holotype). A. Aeciospores observed by LM. B. Aeciospores observed by SEM. C. Surface ornamentation of single aeciospores. D. Aeciospores with nailhead processes surface. E. Aecial peridium with coarsely striate outer surface. F. Aecial peridium with warted inner surface. Scale bars: A = 30um; B = 20 μm; C= 10um; D = 2 μm; E and F = 10 μm.
FIGURE 5 in Two new Chrysomyxa rust species on the endemic plant, Picea asperata in western China, and expanded description of C. succinea
FIGURE 5. Chrysomyxa succinea (BJFC-R02306). A. Aeciospores observed by LM. B. Aeciospores observed by SEM,showing broad longitudinal area or cap;C. crowded,cylindrical warts with smooth or rough tops. D. Aeciospores with warts cylindrical, 4–6 annuli.E. Aecial peridium with smooth outer surface. F. Aecial peridium with densely warted inner surface. Scale bars: A = 20um; B and C = 10μm; D = 1μm; E = 10 μm; F = 20 μm.
FIGURE 2 in Austropuccinia: a new genus name for the myrtle rust Puccinia psidii placed within the redefined family Sphaerophragmiaceae (Pucciniales)
FIGURE 2. Positions of the Austropuccinia psidii samples (as Puccinia psidii) from several Myrtaceae within Sphaerophragmiaceae. Species assigned formerly to Sphaerophragmiaceae in Cummins & Hiratsuka (1983) are indicated by the arrowheads. The Myrtaceae rust P. cygnorum is indicated by the asterisk. Maximum-likelihood analysis with RAxML version 7.2.6 recovered from ITS-LSU sequence data. Numbers at nodes indicate RAxML bootstrap support, GenBank accession numbers of ITS-LSU in parentheses.
FIGURE 1 in Austropuccinia: a new genus name for the myrtle rust Puccinia psidii placed within the redefined family Sphaerophragmiaceae (Pucciniales)
FIGURE 1. Position of the new genus Austropuccinia (as Puccinia, indicated by the black bar) within Pucciniales and Sphaerophragmiaceae. The various septation types of teliospores are indicated by pictograms (see legend). Species assigned formerly to Sphaerophragmiaceae in Cummins & Hiratsuka (1983) are indicated by the arrowheads. Maximum-likelihood analysis with RAxML version 7.2.6 recovered from combined LSU-SSU sequence data. Numbers at nodes indicate RAxML bootstrap support, GenBank accession numbers of LSU/SSU in parentheses.
FIGURE 4 in A new rust species of Diaphanopellis on Rhododendron oreodoxa from Southern China
FIGURE 4. Phylogenetic tree constructed by maximum parsimony and Bayesian analyses based on ITS sequences of related rust genera. Bootstrap values were calculated from 1,000 replications. Parsimony bootstrap (before the slash marks) and Bayesian posterior probabilities (after the slash marks) greater than 50% are shown. Bars: 10 nucleotide substitutions. New species are shown in bold.
FIGURE 3 in A new rust species of Diaphanopellis on Rhododendron oreodoxa from Southern China
FIGURE 3. Phylogenetic tree constructed by maximum parsimony and Bayesian analyses based on ITS sequences of rust species of Coleosporiaceae. Bootstrap values were calculated from 1,000 replications. Parsimony bootstrap (before the slash marks) and Bayesian posterior probabilities (after the slash marks) greater than 50% are shown. Bars: 10 nucleotide substitutions. New species are shown in bold.
FIGURE 2 in A new rust species of Diaphanopellis on Rhododendron oreodoxa from Southern China
FIGURE 2. Diaphanopellis purpurea on Rhododendron oreodoxa (BJFC-R01698). A. Telia in large groups, gelatinous, orange, erumpent; B. Showing transparent sheaths extending beyond teliospores; C. Cross section of telium, showing transparent sheaths around teliospores; D. Globose to subglobose urediniospores; E. Urediniospores; F. Urediniospores showing warts coronate, fingerlike, or irregular in shape; G. Concave outer surface of peridial cells; H. Warted inner surface of peridial cells. Scale bars: A = 200 μm; B = 50 μm; C, D, E, G = 10 μm; F = 0.5 μm; H = 20 μm.
FIGURE 1 in A new rust species of Diaphanopellis on Rhododendron oreodoxa from Southern China
FIGURE 1. Diaphanopellis purpurea on Picea purpurea (BJFC-R02299). A. Oblong-ellipsoid aeciospores (LM); B. Aecial peridium with smooth inner surface; C. aeciospores; D. Aecial peridium with deeply convex, striate or rugulose outer surface; E. Densely echinulate on aeciospores surface. Scale bars: A, C, D, E = 10μm; B = 20 μm.
FIGURE 1 in Redetermination of host plants reveals that the rust fungi Aecidium annonae, Aecidium chrysophaeum and Cerotelium xylopiae occur on Diospyros species (Ebenaceae) instead of Annonaceae
FIGURE 1. Micromorphological characteristics distinguishing Ebenaceae and Annonaceae: a. Diospyros sericea, surface of trichome tip covered with elongated spindle shaped warts; b. Annona holosericea Saff., section through leaf showing two globular secretory cells.
FIGURE 2 in Redetermination of host plants reveals that the rust fungi Aecidium annonae, Aecidium chrysophaeum and Cerotelium xylopiae occur on Diospyros species (Ebenaceae) instead of Annonaceae
FIGURE 2. Aecidium annonae: a. Infected leaves of Diospyros hispida (holotype). b–d. Aecia: b. peridial cells in longitudinal section (inner side on the left); c. inner side of peridial cells in face view; d. aeciospores in face view and optical sections.
FIGURE 3 in Redetermination of host plants reveals that the rust fungi Aecidium annonae, Aecidium chrysophaeum and Cerotelium xylopiae occur on Diospyros species (Ebenaceae) instead of Annonaceae
FIGURE 3. Aecidium chrysophaeum: a. Infected leaves of Diospyros artanthifolia (lectotype). c. Subepidermal spermogonium in section. c–f. Aecia: c. aecium in section; d. aeciospores with enlarged distal wall, insert shows single spore with lumen stained by cottonblue; e. inner side of peridial cells in face view; f. outer side of peridial cells in face view and optical section.
FIGURE 4 in Redetermination of host plants reveals that the rust fungi Aecidium annonae, Aecidium chrysophaeum and Cerotelium xylopiae occur on Diospyros species (Ebenaceae) instead of Annonaceae
FIGURE 4. Cerothelium diospyri: a–b. Comparison of size and shape between leaves of a. Xylopia sericea A. St.-Hill. (Annonaceae) infected by Dasyspora winteri (Pazschke) Beenken and b. Diospyros sericea (Ebenaceae) infected by Cerothelium diospyri. Upper leaf side is shown on the left and lower side is shown on the right. c–f. Telia of Cerotelium diospyri on Diospyros sericea (holotype); c. Telium breaking through the papillate leaf epidermis, in section; d. teliospores in gelatinous matrix; e. germinating teliospore; f. drawings of two teliospores germinating with basidia, with two of the six basidiospores germinating.
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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