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Reaction of Some Coffea arabica Genotypes to Strains of Colletotrichum kahawae, the Cause of Coffee Berry Disease
Pathogenicity tests were performed on 11 genotypes of Coffea arabica using single‐isolate suspensions of Colletotrichum Kahawae obtained from 90 monoconidial isolates. The objective of this study was to estimate the proportion of pathogenic variation corresponding 10 differences in aggressiveness an...
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| Published in: | Journal of phytopathology 2000-01, Vol.148 (1), p.61-63 |
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| Language: | English |
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| container_end_page | 63 |
| container_issue | 1 |
| container_start_page | 61 |
| container_title | Journal of phytopathology |
| container_volume | 148 |
| creator | Omondi, C. O. Ayiecho, P. O. Mwang'ombe, A. W. Hindorf, H. |
| description | Pathogenicity tests were performed on 11 genotypes of Coffea arabica using single‐isolate suspensions of Colletotrichum Kahawae obtained from 90 monoconidial isolates. The objective of this study was to estimate the proportion of pathogenic variation corresponding 10 differences in aggressiveness and virulence (races). A large part of the variation in the pathogen population was due to aggressiveness. The differential effects were too small to suggest conclusively that races exist. This paper discusses the possible causes for the observed small differential interaction and suggests breeding strategies that not only prevent possible adaptation of the pathogen to resistant varieties but also limit variation for resistance due to differences in aggressiveness of the pathogen.
Zusammenfassung
Reaktion einiger Coffea‐arabica‐Genotypen auf Stämme von Colletotrichum Kahawae, dem Erreger der Kaffeckirschenkrankheit
Bei 11 Coffea‐arabica‐Genotypen wurden Pathogenitälsiests vorgenommen. wobei Einzelisolal‐Suspensionen von 90 Colletotrichum. Kahawae ‐Monoko‐nidienisolaten zum Einsatz kamen. Das Ziel dieser Untersuchung bestand darin. den Anteil der Variation des Pathogens zu schätzen. der für Untersehiede bei Aggressivität und Virulenz verantwortlich ist (Rassen). Bin großer Teil der Variation in der Population des Pathogens beruhte auf Aggressivität. Die Unterschiede waren zu klein. Um eindeulig zu belegen. Daß Rassen existieren. Dieser Artikel diskutiert die möglichen Gründe für die beobaehteten geringen Unterschiede und schlägt Züchtungsstrategien vor. die eine mögliche Anpassung des Pathogens an resistente Sorten verhindern und zudem die Variation bezüglich. der Resistenz aufgrund von Unterschieden bei der Aggressivität des Pathogens begrenzen. |
| doi_str_mv | 10.1046/j.1439-0434.2000.00464.x |
| format | article |
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Zusammenfassung
Reaktion einiger Coffea‐arabica‐Genotypen auf Stämme von Colletotrichum Kahawae, dem Erreger der Kaffeckirschenkrankheit
Bei 11 Coffea‐arabica‐Genotypen wurden Pathogenitälsiests vorgenommen. wobei Einzelisolal‐Suspensionen von 90 Colletotrichum. Kahawae ‐Monoko‐nidienisolaten zum Einsatz kamen. Das Ziel dieser Untersuchung bestand darin. den Anteil der Variation des Pathogens zu schätzen. der für Untersehiede bei Aggressivität und Virulenz verantwortlich ist (Rassen). Bin großer Teil der Variation in der Population des Pathogens beruhte auf Aggressivität. Die Unterschiede waren zu klein. Um eindeulig zu belegen. Daß Rassen existieren. Dieser Artikel diskutiert die möglichen Gründe für die beobaehteten geringen Unterschiede und schlägt Züchtungsstrategien vor. die eine mögliche Anpassung des Pathogens an resistente Sorten verhindern und zudem die Variation bezüglich. der Resistenz aufgrund von Unterschieden bei der Aggressivität des Pathogens begrenzen.</description><identifier>ISSN: 0931-1785</identifier><identifier>EISSN: 1439-0434</identifier><identifier>DOI: 10.1046/j.1439-0434.2000.00464.x</identifier><language>eng</language><publisher>Oxford, UK: Blackwell Publishing Ltd</publisher><subject>Coffea arabica ; Colletotrichum Kahawae ; L., Colletotrichum Kahawae ; pathogenicity ; races ; resistance</subject><ispartof>Journal of phytopathology, 2000-01, Vol.148 (1), p.61-63</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Omondi, C. O.</creatorcontrib><creatorcontrib>Ayiecho, P. O.</creatorcontrib><creatorcontrib>Mwang'ombe, A. W.</creatorcontrib><creatorcontrib>Hindorf, H.</creatorcontrib><title>Reaction of Some Coffea arabica Genotypes to Strains of Colletotrichum kahawae, the Cause of Coffee Berry Disease</title><title>Journal of phytopathology</title><description>Pathogenicity tests were performed on 11 genotypes of Coffea arabica using single‐isolate suspensions of Colletotrichum Kahawae obtained from 90 monoconidial isolates. The objective of this study was to estimate the proportion of pathogenic variation corresponding 10 differences in aggressiveness and virulence (races). A large part of the variation in the pathogen population was due to aggressiveness. The differential effects were too small to suggest conclusively that races exist. This paper discusses the possible causes for the observed small differential interaction and suggests breeding strategies that not only prevent possible adaptation of the pathogen to resistant varieties but also limit variation for resistance due to differences in aggressiveness of the pathogen.
Zusammenfassung
Reaktion einiger Coffea‐arabica‐Genotypen auf Stämme von Colletotrichum Kahawae, dem Erreger der Kaffeckirschenkrankheit
Bei 11 Coffea‐arabica‐Genotypen wurden Pathogenitälsiests vorgenommen. wobei Einzelisolal‐Suspensionen von 90 Colletotrichum. Kahawae ‐Monoko‐nidienisolaten zum Einsatz kamen. Das Ziel dieser Untersuchung bestand darin. den Anteil der Variation des Pathogens zu schätzen. der für Untersehiede bei Aggressivität und Virulenz verantwortlich ist (Rassen). Bin großer Teil der Variation in der Population des Pathogens beruhte auf Aggressivität. Die Unterschiede waren zu klein. Um eindeulig zu belegen. Daß Rassen existieren. Dieser Artikel diskutiert die möglichen Gründe für die beobaehteten geringen Unterschiede und schlägt Züchtungsstrategien vor. die eine mögliche Anpassung des Pathogens an resistente Sorten verhindern und zudem die Variation bezüglich. der Resistenz aufgrund von Unterschieden bei der Aggressivität des Pathogens begrenzen.</description><subject>Coffea arabica</subject><subject>Colletotrichum Kahawae</subject><subject>L., Colletotrichum Kahawae</subject><subject>pathogenicity</subject><subject>races</subject><subject>resistance</subject><issn>0931-1785</issn><issn>1439-0434</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><recordid>eNo9kE1v1DAQhi0EEkvLf_CJEwnjj8QbcYJQtlRVaSlQbtYkmWi9za63tlfd_fck3aqHkTXj530PD2NcQC5Al59WudCqykArnUsAyGG86nz_is1ePl6zGVRKZMLMi7fsXYwrAAkKYMYefhG2yfkN9z2_9Wvite97Qo4BG9ciX9DGp8OWIk-e36aAbhMntvbDQMmn4Nrlbs3vcYmPSB95Wo4VuIt0hMYu4l8phAP_5iJhpFP2psch0vvn94T9-X72uz7PLn8uftRfLjMnjRZZp9t5U8kGmq6SJY7TF4XqkMYFRKubtqPKFEU_Vx1ILakqAEXXSCoVdq1UJ-zDsXcb_MOOYrJrF1saBtyQ30UrjDZzZSbw8xF8dAMd7Da4NYaDFWAnwXZlJ4928mgnwfZJsN3bi-vzUozp7Jh2MdH-JY3h3pZGmcLeXS3s3T_596o2N1ar_2YdgKE</recordid><startdate>200001</startdate><enddate>200001</enddate><creator>Omondi, C. O.</creator><creator>Ayiecho, P. O.</creator><creator>Mwang'ombe, A. W.</creator><creator>Hindorf, H.</creator><general>Blackwell Publishing Ltd</general><scope>BSCLL</scope><scope>7T7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>M7N</scope><scope>P64</scope></search><sort><creationdate>200001</creationdate><title>Reaction of Some Coffea arabica Genotypes to Strains of Colletotrichum kahawae, the Cause of Coffee Berry Disease</title><author>Omondi, C. O. ; Ayiecho, P. O. ; Mwang'ombe, A. W. ; Hindorf, H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i2741-d4c8b92b0bd926a926f553dae26a01c4bcde9755f83d0242e950a1db2e63adc23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Coffea arabica</topic><topic>Colletotrichum Kahawae</topic><topic>L., Colletotrichum Kahawae</topic><topic>pathogenicity</topic><topic>races</topic><topic>resistance</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Omondi, C. O.</creatorcontrib><creatorcontrib>Ayiecho, P. O.</creatorcontrib><creatorcontrib>Mwang'ombe, A. W.</creatorcontrib><creatorcontrib>Hindorf, H.</creatorcontrib><collection>Istex</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Journal of phytopathology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Omondi, C. O.</au><au>Ayiecho, P. O.</au><au>Mwang'ombe, A. W.</au><au>Hindorf, H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Reaction of Some Coffea arabica Genotypes to Strains of Colletotrichum kahawae, the Cause of Coffee Berry Disease</atitle><jtitle>Journal of phytopathology</jtitle><date>2000-01</date><risdate>2000</risdate><volume>148</volume><issue>1</issue><spage>61</spage><epage>63</epage><pages>61-63</pages><issn>0931-1785</issn><eissn>1439-0434</eissn><abstract>Pathogenicity tests were performed on 11 genotypes of Coffea arabica using single‐isolate suspensions of Colletotrichum Kahawae obtained from 90 monoconidial isolates. The objective of this study was to estimate the proportion of pathogenic variation corresponding 10 differences in aggressiveness and virulence (races). A large part of the variation in the pathogen population was due to aggressiveness. The differential effects were too small to suggest conclusively that races exist. This paper discusses the possible causes for the observed small differential interaction and suggests breeding strategies that not only prevent possible adaptation of the pathogen to resistant varieties but also limit variation for resistance due to differences in aggressiveness of the pathogen.
Zusammenfassung
Reaktion einiger Coffea‐arabica‐Genotypen auf Stämme von Colletotrichum Kahawae, dem Erreger der Kaffeckirschenkrankheit
Bei 11 Coffea‐arabica‐Genotypen wurden Pathogenitälsiests vorgenommen. wobei Einzelisolal‐Suspensionen von 90 Colletotrichum. Kahawae ‐Monoko‐nidienisolaten zum Einsatz kamen. Das Ziel dieser Untersuchung bestand darin. den Anteil der Variation des Pathogens zu schätzen. der für Untersehiede bei Aggressivität und Virulenz verantwortlich ist (Rassen). Bin großer Teil der Variation in der Population des Pathogens beruhte auf Aggressivität. Die Unterschiede waren zu klein. Um eindeulig zu belegen. Daß Rassen existieren. Dieser Artikel diskutiert die möglichen Gründe für die beobaehteten geringen Unterschiede und schlägt Züchtungsstrategien vor. die eine mögliche Anpassung des Pathogens an resistente Sorten verhindern und zudem die Variation bezüglich. der Resistenz aufgrund von Unterschieden bei der Aggressivität des Pathogens begrenzen.</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1046/j.1439-0434.2000.00464.x</doi><tpages>3</tpages></addata></record> |
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| identifier | ISSN: 0931-1785 |
| ispartof | Journal of phytopathology, 2000-01, Vol.148 (1), p.61-63 |
| issn | 0931-1785 1439-0434 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_17478372 |
| source | Wiley-Blackwell Read & Publish Collection |
| subjects | Coffea arabica Colletotrichum Kahawae L., Colletotrichum Kahawae pathogenicity races resistance |
| title | Reaction of Some Coffea arabica Genotypes to Strains of Colletotrichum kahawae, the Cause of Coffee Berry Disease |
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