2016
DOI: 10.18781/r.mex.fit.1603-2
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Germinación de esclerocios y formación de ascoporas de Claviceps gigantea Fuentes, De la Isla, Ullstrup y Rodríguez

Abstract: La enfermedad “diente de caballo” del maíz (<em>Claviceps gigantea</em>) afecta hasta 90 % del grano. Se estudiaron condiciones para germinación de esclerocios, formación de estructuras sexuales y se describe parte del ciclo del hongo en laboratorio y campo. Se estableció un diseño con sustrato y tiempo de incubación a 4 °C. Se evaluaron porcentaje de esclerocios germinados, tiempo de germinación y formación de cabezuelas estromáticas. En laboratorio, los esclerocios germinaron solamente en carbón … Show more

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Cited by 4 publications
(4 citation statements)
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“…Plants are always prone to interact with various microbes in different ways which include phytopathogenic and symbiotic associations. In phytopathogenic associations fungi interact with different lifestyles, namely necrotrophic (e.g., Alternaria alternata, A. solani, A. brassicae, Aspergillus flavus, Bipolaris sorokiniana, Botrytis cinerea, Claviceps gigantean, Colletotrichum beeveri, C. gloeosporioides, C. graminicola, C. musae, Sclerotinia sclerotiorum, Stenocarpella maydis, Zymoseptoria tritici) [4][5][6][7][8][9][10][11][12][13][14][15][16]; biotrophic (e.g., Blumeria graminis, Cladosporium fulvum, Hemileia vastatrix, Melampsora lini, Phakopsora pachyrhizi, Puccinia arachidis, Puccinia graminis, Puccinia kuehnii, Puccinia striiformis, Sporisorium scitamineum, Ustilago maydis) [17][18][19][20][21][22][23][24][25][26][27][28]; and hemibiotrophic (e.g., Colletotrichum higginsianum, C. trifolii, Fusarium equiseti, F. oxysporum, F. sacchari, Ganoderma boninense, Magnaporthe oryzae, Phomopsis longicolla) [29][30][31][32][33][34][35][36]. A plethora of fungi also live as symbiotic, e.g., Funneliformis mosseae, Glomus albidum, G. etunicatum, G. mosseae, G. fasciculatum, Glomus albidum, G. etunicatum, G. mosseae, G. fasciculatum, Glomus mosseae, Trichoderma virens [37][38][39][40][41]…”
Section: Introductionmentioning
confidence: 99%
“…Plants are always prone to interact with various microbes in different ways which include phytopathogenic and symbiotic associations. In phytopathogenic associations fungi interact with different lifestyles, namely necrotrophic (e.g., Alternaria alternata, A. solani, A. brassicae, Aspergillus flavus, Bipolaris sorokiniana, Botrytis cinerea, Claviceps gigantean, Colletotrichum beeveri, C. gloeosporioides, C. graminicola, C. musae, Sclerotinia sclerotiorum, Stenocarpella maydis, Zymoseptoria tritici) [4][5][6][7][8][9][10][11][12][13][14][15][16]; biotrophic (e.g., Blumeria graminis, Cladosporium fulvum, Hemileia vastatrix, Melampsora lini, Phakopsora pachyrhizi, Puccinia arachidis, Puccinia graminis, Puccinia kuehnii, Puccinia striiformis, Sporisorium scitamineum, Ustilago maydis) [17][18][19][20][21][22][23][24][25][26][27][28]; and hemibiotrophic (e.g., Colletotrichum higginsianum, C. trifolii, Fusarium equiseti, F. oxysporum, F. sacchari, Ganoderma boninense, Magnaporthe oryzae, Phomopsis longicolla) [29][30][31][32][33][34][35][36]. A plethora of fungi also live as symbiotic, e.g., Funneliformis mosseae, Glomus albidum, G. etunicatum, G. mosseae, G. fasciculatum, Glomus albidum, G. etunicatum, G. mosseae, G. fasciculatum, Glomus mosseae, Trichoderma virens [37][38][39][40][41]…”
Section: Introductionmentioning
confidence: 99%
“…Feed containing sorghum ergot ( C. africana ), which has a similar array of dihydrogenated ergot alkaloids as those found in C. gigantea but also accumulates the dihydroergopeptine 6 , was refused by cattle and pigs and was associated with agalactia in dairy cattle as well as in pigs . The chemical composition of maize ergot is thus a relevant issue; that issue is compounded by the importance of maize as a food staple and as a component of animal feed as well as by the high incidence of the disease in areas close to Mexico City …”
Section: Results and Discussionmentioning
confidence: 99%
“…Estas ascosporas son las estructuras infectivas del hongo que penetran la mazorca infectando estigmas frescos. En su fase asexual, los esclerocios desarrollan micro y macroconidios que también pueden penetrar en la mazorca infectando los estigmas frescos (Moreno-Moreno, 2016).…”
Section: Fully Bilingualunclassified
“…These ascospores are the infectious structures of the fungus that penetrate the ear after infecting fresh stigmas. In their asexual phase, the sclerotia develop micro and macroconidia, which can also penetrate the ear, infecting the fresh stigmas (Moreno-Moreno, 2016).…”
mentioning
confidence: 99%