Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 21 for “"Helminthosporium"”.
-
Inheritance of Chlorotic-Lesion Resistance to Helminthosporium Turcicum Pass
Made available in DSpace on 2014-12-10T23:32:49Z (GMT). No. of bitstreams: 1 7511809.pdf: 1734953 bytes, checksum: 6242f704e0ce990ea70ac61bfe9e02cb (MD5) Previous issue date: 1974
-
"Isozyme variation in ""helminthosporium-type"" species pathogenic on maize"
The population structure of three species of fungi pathogenic on Zea mays L.; Cochliobolus carbonum, C. heterostrophus, and Septosphaeria turcica were studied using isozyme analysis. Forty isolates of S. turcica were evaluated using nineteen enzyme stains. Polymorphisms were identified with …
-
Inheritance of Resistance in Fifteen Corn Selections to Helminthosporium Turcicum
Made available in DSpace on 2014-12-14T04:37:43Z (GMT). No. of bitstreams: 1 7811293.pdf: 2246132 bytes, checksum: 30a9a8e2b6fe797d66e21421318b71e7 (MD5) Previous issue date: 1978
-
Inheritance of Resistance in Corn to Two Races of Helminthosporium Maydis
Made available in DSpace on 2014-12-14T04:37:40Z (GMT). No. of bitstreams: 1 7624081.pdf: 1566347 bytes, checksum: 41d81d1efbceddf59d206ec2411b5eb5 (MD5) Previous issue date: 1976
-
Factors Affecting Overwintering and Epidemiology of Helminthosporium Maydis in Illinois Corn
Made available in DSpace on 2014-12-10T23:32:43Z (GMT). No. of bitstreams: 1 7212110.pdf: 1956346 bytes, checksum: 5ff75a18bc333b88c64f1260fb7c502d (MD5) Previous issue date: 1971
-
Expression of Monogenic Chlorotic-Lesion Resistance in Corn to Helminthosporium Maydis
Made available in DSpace on 2014-12-10T23:32:49Z (GMT). No. of bitstreams: 1 7511808.pdf: 1178290 bytes, checksum: 0c74a0f79602f057d4909d8c2e8086a2 (MD5) Previous issue date: 1974
-
Physiological Mechanisms of Disease Resistance in Zea Mays L. To Helminthosporium Fungi
Made available in DSpace on 2014-12-14T04:37:38Z (GMT). No. of bitstreams: 1 7524373.pdf: 4561656 bytes, checksum: d01374fcd865c3d7a9e6343db1845f6e (MD5) Previous issue date: 1975
-
Estudio de (helminthosporium oryzae L) en areas foliares y de panojas en arroz (Oryza sativa L) y su efecto en el rendimiento
… muestras y se estudió el comportamiento de (Helminthosporium oryzae L ) y en condiciones de laboratorio se diagnosticó el agente patógeno asociado al manchado de grano.. Este ensayo se realizó bajo condiciones de riego y con la tecnología de preparación de suelo en fangueo directo, la siembra …
-
Predisposition to Root Rot and Stalk Rot of Corn Caused by Three Helminthosporium Leaf Blights and the Effects of These Diseases on Grain Yield
Made available in DSpace on 2014-12-10T23:32:47Z (GMT). No. of bitstreams: 1 7405562.pdf: 3161353 bytes, checksum: a7f6f5b39ec476b39961ba4048e3b126 (MD5) Previous issue date: 1973
-
The synthesis and fungicidal activity of some novel phosphoramidates
… spores of Fusarium culmorum, Fusarium oxysporum, Helminthosporium sativum, Helminthosporium avenge, Septoria nodorum, Ophiobolus graminis, Piricularia oryzoe and Rhizoctania solani and in vivo against Dreschlera teres and Septoria nodorum. These pathogens were chosen because they affect …
-
Biotransformation of aromatic hydrocarbons and organic sulphides by fungi
… alcohol by the fungi Mortierella isabellina and Helminthosporium species; in the latter case, the product is further metabolized. Toluene-a -d 1 , toluene-a,a-d2, and toluene-a,a,a-d 3 have been used with Mortierellaisabellina in a series of experiments to determine both primary and secondary …
-
Calidad fitosanitaria y presencia de aflatoxinas en granos de sorgo (Sorghum bicolor (L.) Moench), en almacen y campo, 2005
… Celama sp). Los géneros de hongos Fusarium spp, Helminthosporium sp. y la bacteria Pseudomonas syringae ocasionaron los más altos porcentajes de infección en granos de almacén y campo. Se identificaron siete especies de Aspergillus, de las cuales las especies A. flavus Link y A. parasiticus …
-
Fungos anemófilos em Porto Alegre, RS
… (15,03%), basidiosporos (3,84%), rusts (3,82%), Helminthosporium (2,49%), Botrytis (1,22%), Alternaria (1,19%), smuts (0,90%), Curvularia (0,87%), Nigrospora (0,61%) e Fusarium (0,08%). Não foi possível identificar 1,59% dos esporos de fungos coletados no período. O maior número de esporos foi …
-
Bipolaris zeicola: physiological races, morphology and resistance on maize
… on maize. Two races induced typical symptoms of Helminthosporium carbonum-toxin (HC-toxin) production on Pr. Seven races produced oval to irregular lesions on susceptible hosts and did not produce typical lesions of HC-toxin production on Pr. One race induced predominantly long, linear lesions, …
-
Evaluación de trece lineas de arroz (Oryza sativa L.) con dos testigos comerciales en prueba avanzada de rendimiento en condiciones de secano en el Pacífico Sur de Nicaragua
… de panícula, desgrane y Helminthosporiosis (Helminthosporium oryzae Breda de Haa), evaluadas según la escala de evaluación estándar de arroz del CIAT (1983). Los resultados indican diferencias altamente significativas para las variables rendimiento agrícola y rendimiento industrial, …
-
Seleção de fungos endofíticos para o controle biológico de Botrytis cinerea Pers.: Fr em mudas de Eucalyptus benthamii Maiden et Cambage
… Trichoderma sp., Pestalotiopsis sp., Phoma sp. e Helminthosporium sp. Para a selecao dos endofiticos com potencial de controle, os testes foram realizados em duas etapas: in vitro e in vivo. Os resultados do primeiro teste, que consistiram no pareamento entre os fungos endofiticos e o patogeno, …
-
Mapeamento e avaliação da qualidade das sementes de forrageiras comercializadas em Rondônia
… Fusarium sp., Cercospora sp., Rizoctonia sp. e Helminthosporium sp. em todas as três espécies estudadas, com maior frequência nas sementes das espécies B. brizantha. Em relação à presença da cigarrinha das pastagens, nas impurezas destas sementes, não foram observados presença de ovos da praga …
Page 1 of 2