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11 results for “Ravenelia”
Supplementary material 3 from: Ebinghaus M, Maier W, Wingfield MJ, Begerow D (2018) New host associations and a novel species for the gall-inducing acacia rust genus Ravenelia in South Africa. MycoKeys 43: 1-21. https://doi.org/10.3897/mycokeys.43.25090
Table S1 : Explanation note: List of measurements of teliospore characters of R.evansii. Obtained values were sorted by voucher and by individual teliospores. All measurements are given in μm.
Supplementary material 4 from: Ebinghaus M, Maier W, Wingfield MJ, Begerow D (2018) New host associations and a novel species for the gall-inducing acacia rust genus Ravenelia in South Africa. MycoKeys 43: 1-21. https://doi.org/10.3897/mycokeys.43.25090
Table S2 : Explanation note: List of measurements of teliospore characters of R.macowaniana and R.xanthophloeae. Obtained values were sorted by voucher and by individual teliospores. All measurements are given in μm.
Supplementary material 2 from: Ebinghaus M, Maier W, Wingfield MJ, Begerow D (2018) New host associations and a novel species for the gall-inducing acacia rust genus Ravenelia in South Africa. MycoKeys 43: 1-21. https://doi.org/10.3897/mycokeys.43.25090
Figure S2 : Explanation note: Boxplot of measurements of the six defined teliospore characteristics of R.macowaniana and R.xanthophloeae. Values were obtained from teliospores derived from three different host species of in total 10 individual trees. The boxplots are based on mean values calculated for all investigated teliospores for each specimen, respectively.
Supplementary material 1 from: Ebinghaus M, Maier W, Wingfield MJ, Begerow D (2018) New host associations and a novel species for the gall-inducing acacia rust genus Ravenelia in South Africa. MycoKeys 43: 1-21. https://doi.org/10.3897/mycokeys.43.25090
Figure S1 : Explanation note: Boxplot of measurements of the six defined teliospore characters of R.evansii. Values were obtained from teliospores derived from seven different host species of in total 18 individual trees. The boxplots are based on mean values calculated for all investigated teliospores for each specimen, respectively.
Figure 2 from: Ebinghaus M, Begerow D (2018) Ravenelia piepenbringiae and Ravenelia hernandezii, two new rust species on Senegalia (Fabaceae, Mimosoideae) from Panama and Costa Rica. MycoKeys 41: 51-63. https://doi.org/10.3897/mycokeys.41.27694
Figure 2 Raveneliapiepenbringiae. A Telia in chlorotic spots associated with infection of SenegaliahayesiiB, C sori showing uredinio- and teliospores and teliospores, respectively D SEM image of a telium E SEM view of a teliospore F, I LM images of teliospores G SEM image of urediniospores showing equatorially arranged germ pores H drawings of urediniospores. Scale bars: 3 mm (A); 0.1 mm (B); 0.2 mm (C); 40 mm(D); 10 mm (E); 20 mm(F); 5 mm(G); 10 mm(H); 20 mm(I).
Figure 1 from: Ebinghaus M, Begerow D (2018) Ravenelia piepenbringiae and Ravenelia hernandezii, two new rust species on Senegalia (Fabaceae, Mimosoideae) from Panama and Costa Rica. MycoKeys 41: 51-63. https://doi.org/10.3897/mycokeys.41.27694
Figure 1 Maximum likelihood reconstruction of Ravenelia spp. based on 28S rDNA sequence data. Bootstrap values are shown above branches based on 1000 replicates (MLBS and MPBS, respectively), values below 75 are not shown. Names of species collected on neotropical Senegalia hosts including R.piepenbringiae and R.hernandezii are highlighted (bold, red box). For paleotropically distributed species of Senegalia rusts, see black box.
Figure 3 from: Ebinghaus M, Begerow D (2018) Ravenelia piepenbringiae and Ravenelia hernandezii, two new rust species on Senegalia (Fabaceae, Mimosoideae) from Panama and Costa Rica. MycoKeys 41: 51-63. https://doi.org/10.3897/mycokeys.41.27694
Figure 3 Raveneliahernandezii. A Infected leaflets of S.tenuifoliaB Mixed sori containing urediniospores and teliospores C Teliospore seen in LM D telium seen by SEM E Adaxial view of a teliospore by LM, with arrows indicating the uniseriate cysts F SEM view of spinescent teliospores G LM view of the upper surface H drawing of a urediniospore. Scale Bars: 0.5 mm (A); 0.1 mm (B); 20 mm (C–G); 10 mm (H).
Figure 4 from: Ebinghaus M, Maier W, Wingfield MJ, Begerow D (2018) New host associations and a novel species for the gall-inducing acacia rust genus Ravenelia in South Africa. MycoKeys 43: 1-21. https://doi.org/10.3897/mycokeys.43.25090
Figure 4 Infected host organs and spore images of R.xanthophloeae (A–H), R.natalensis (I), R. evansii (J) and R.macowaniana (K) A Infected individual of V.xanthophloea. Leaves were prematurely shed in comparison with uninfected trees B Telia on leaflets of V.xanthophloeaC SEM of an aeciospore showing scattered germpores D SEM of an urediniospore E Urediniospores seen in LM F SEM view of a teliospore of R.xanthophloeae. The arrows indicate irregularly arranged verrucose ornamentations G Telium of R.xanthophloeae seen in SEM H LM view of a teliospore. The arrow indicates irregularly arranged verrucose ornamentations I Teliospores of R.natalensis with long pedicels J SEM picture of median section of a teliospore of R.evansii. Arrows indicate 2-celled probasidial cells K LM picture of teliospores of R.macowaniana. Scale bars: 1 mm (B), 4 μm (C), 2 μm (D), 20 μm (E), 20 μm (F–H, J–K), 40 μm (I).
Figure 3 from: Ebinghaus M, Maier W, Wingfield MJ, Begerow D (2018) New host associations and a novel species for the gall-inducing acacia rust genus Ravenelia in South Africa. MycoKeys 43: 1-21. https://doi.org/10.3897/mycokeys.43.25090
Figure 3 Radarchart of mean values of the morphological investigations of teliospore characteristics of Raveneliamacowaniana originated from Vachelliakarroo (red), V.natalitia (green) and R.xanthophloeae on V.xanthophloea (blue). Numbers on y-axis represent the respective minimum and maximum values. This radarchart reveals the morphological differences between R.macowaniana and R.xanthophloeae.
Figure 1 from: Ebinghaus M, Maier W, Wingfield MJ, Begerow D (2018) New host associations and a novel species for the gall-inducing acacia rust genus Ravenelia in South Africa. MycoKeys 43: 1-21. https://doi.org/10.3897/mycokeys.43.25090
Figure 1 Phylogenetic reconstruction of Ravenelia species on different Vachellia hosts A Maximum likelihood tree with 1000 bootstrap repeats based on combined nrITS and LSU rDNA sequence data. Bootstrap values below 75 are not shown. Three highly supported groups represent R.evansii, R.macowaniana and R.xanthophloeae sp. nov., respectively. Specimens that originated from formerly unreported host species are highlighted in bold B Parsimony network analysis based on the same dataset as in the ML-analysis. Each line represents one base substitution while small circles represent intermediate but missing sequences. Numbers next to lines indicate the positions of the substitutions in the alignment. Sequences in rectangular boxes were inferred as ancestral by this analysis.
Figure 2 from: Ebinghaus M, Maier W, Wingfield MJ, Begerow D (2018) New host associations and a novel species for the gall-inducing acacia rust genus Ravenelia in South Africa. MycoKeys 43: 1-21. https://doi.org/10.3897/mycokeys.43.25090
Figure 2 Biplots of a principal component analysis (PCA) of six teliospore characteristics of specimens of ARaveneliamacowaniana originating from Vachelliakarroo (red) and V.natalitia (green) and B in comparison with R.xanthophloeae sp. nov. collected from V.xanthophloea (blue) C, D represent R.evansii originating from seven distinct Vachellia species. Each dot represents an individual teliospore for which mean values of multiple measurements of all six defined morphological characteristics were calculated. Each colour represents the host species of the individual rust specimen. In D only spore representatives collected from V.borleae, V.exuvialis and V.davyi were highlighted to gain better visibility.
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