Resistance in Maize Inbred Lines to Fusarium verticillioides and Fumonisin Accumulation in South Africa
Fusarium ear rot of maize, caused by Fusarium verticillioides, is an important disease affecting maize production worldwide. Apart from reducing yield and grain quality, F. verticillioides produces fumonisins which have been associated with mycotoxicoses of animals and humans. Currently, no maize br...
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| Veröffentlicht in: | Plant disease 2012-06, Vol.96 (6), p.881-888 |
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| creator | SMALL, I. M FLETT, B. C MARASAS, W. F. O MCL, A STANDER, M. A VILJOEN, A |
| description | Fusarium ear rot of maize, caused by Fusarium verticillioides, is an important disease affecting maize production worldwide. Apart from reducing yield and grain quality, F. verticillioides produces fumonisins which have been associated with mycotoxicoses of animals and humans. Currently, no maize breeding lines are known with resistance to F. verticillioides in South Africa. The objective of this study, therefore, was to evaluate 24 genetically diverse maize inbred lines as potential sources of resistance to Fusarium ear rot and fumonisin accumulation in field trials at Potchefstroom and Vaalharts in South Africa. After artificial silk channel inoculation with F. verticillioides, Fusarium ear rot development was determined at harvest and fumonisins B
, B
, and B
quantified. A significant inbred line by location effect was observed for Fusarium ear rot severity (P ≤ 0.001), although certain lines proved to be consistently resistant across both locations. The individual inbred lines also differed considerably in fumonisin accumulation between Potchefstroom and Vaalharts, with differentiation between susceptible and potentially resistant inbred lines only being possible at Vaalharts. A greenhouse inoculation trial was then also performed on a subset of potentially resistant and highly susceptible lines. The inbred lines CML 390, CML 444, CML 182, VO 617Y-2, and RO 549 W consistently showed a low Fusarium ear rot ( |
| doi_str_mv | 10.1094/PDIS-08-11-0695 |
| format | Article |
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, B
, and B
quantified. A significant inbred line by location effect was observed for Fusarium ear rot severity (P ≤ 0.001), although certain lines proved to be consistently resistant across both locations. The individual inbred lines also differed considerably in fumonisin accumulation between Potchefstroom and Vaalharts, with differentiation between susceptible and potentially resistant inbred lines only being possible at Vaalharts. A greenhouse inoculation trial was then also performed on a subset of potentially resistant and highly susceptible lines. The inbred lines CML 390, CML 444, CML 182, VO 617Y-2, and RO 549 W consistently showed a low Fusarium ear rot (<5%) incidence at both Potchefstroom and Vaalharts and in the greenhouse. Two of these inbred lines, CML 390 and CML 444, accumulated fumonisin levels <5 mg kg
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, B
, and B
quantified. A significant inbred line by location effect was observed for Fusarium ear rot severity (P ≤ 0.001), although certain lines proved to be consistently resistant across both locations. The individual inbred lines also differed considerably in fumonisin accumulation between Potchefstroom and Vaalharts, with differentiation between susceptible and potentially resistant inbred lines only being possible at Vaalharts. A greenhouse inoculation trial was then also performed on a subset of potentially resistant and highly susceptible lines. The inbred lines CML 390, CML 444, CML 182, VO 617Y-2, and RO 549 W consistently showed a low Fusarium ear rot (<5%) incidence at both Potchefstroom and Vaalharts and in the greenhouse. Two of these inbred lines, CML 390 and CML 444, accumulated fumonisin levels <5 mg kg
. These lines could potentially act as sources of resistance for use within a maize breeding program.</description><subject>Biological and medical sciences</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Fungal plant pathogens</subject><subject>Fusarium verticillioides</subject><subject>Phytopathology. Animal pests. Plant and forest protection</subject><subject>Zea mays</subject><issn>0191-2917</issn><issn>1943-7692</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNqFkTtPwzAUhS0EgvKY2VAWJJaA77UTx2MFFCoVgSjMkWM7YJQH2AkS_HpctbAy3eF85wz3I-QY6DlQyS8erubLlBYpQEpzmW2RCUjOUpFL3CYTChJSlCD2yH4Ib5RSzvNil-wxKlCwjE7Iy6MNLgyq0zZxXXKn3LdN5l3lrUkWrrMhGfpkNgbl3dgmn9YPTrumcb0zMVOdiWHbdy7E8lTrsR0bNbi-W40t-3F4Taa1d1odkp1aNcEebe4BeZ5dP13epov7m_nldJFqLmBIeV2ZquZaG6wlM1oZIVhuJS8kQiULtIZlRssKweacAVhABM0NCi1BIjsgZ-vdd99_jDYMZeuCtk2jOtuPoURESYsM8_xfFChiFh9Z0IherFHt-xC8rct371rlvyJUrkSUKxElLUqAciUiNk4242PVWvPH_34-AqcbQAWtmtpHBS78cZhJmgvG2A8YzJC7</recordid><startdate>20120601</startdate><enddate>20120601</enddate><creator>SMALL, I. M</creator><creator>FLETT, B. C</creator><creator>MARASAS, W. F. O</creator><creator>MCL, A</creator><creator>STANDER, M. A</creator><creator>VILJOEN, A</creator><general>American Phytopathological Society</general><scope>IQODW</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7T7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>M7N</scope><scope>P64</scope><scope>7X8</scope></search><sort><creationdate>20120601</creationdate><title>Resistance in Maize Inbred Lines to Fusarium verticillioides and Fumonisin Accumulation in South Africa</title><author>SMALL, I. M ; FLETT, B. C ; MARASAS, W. F. O ; MCL, A ; STANDER, M. A ; VILJOEN, A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c471t-4fbdbf4ccd2f93dcad7736e948921b982ed35dc9b21e64311e1221c4d27c91923</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Biological and medical sciences</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Fungal plant pathogens</topic><topic>Fusarium verticillioides</topic><topic>Phytopathology. Animal pests. Plant and forest protection</topic><topic>Zea mays</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>SMALL, I. M</creatorcontrib><creatorcontrib>FLETT, B. C</creatorcontrib><creatorcontrib>MARASAS, W. F. O</creatorcontrib><creatorcontrib>MCL, A</creatorcontrib><creatorcontrib>STANDER, M. A</creatorcontrib><creatorcontrib>VILJOEN, A</creatorcontrib><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>CrossRef</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><collection>MEDLINE - Academic</collection><jtitle>Plant disease</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>SMALL, I. M</au><au>FLETT, B. C</au><au>MARASAS, W. F. O</au><au>MCL, A</au><au>STANDER, M. A</au><au>VILJOEN, A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Resistance in Maize Inbred Lines to Fusarium verticillioides and Fumonisin Accumulation in South Africa</atitle><jtitle>Plant disease</jtitle><addtitle>Plant Dis</addtitle><date>2012-06-01</date><risdate>2012</risdate><volume>96</volume><issue>6</issue><spage>881</spage><epage>888</epage><pages>881-888</pages><issn>0191-2917</issn><eissn>1943-7692</eissn><coden>PLDIDE</coden><abstract>Fusarium ear rot of maize, caused by Fusarium verticillioides, is an important disease affecting maize production worldwide. Apart from reducing yield and grain quality, F. verticillioides produces fumonisins which have been associated with mycotoxicoses of animals and humans. Currently, no maize breeding lines are known with resistance to F. verticillioides in South Africa. The objective of this study, therefore, was to evaluate 24 genetically diverse maize inbred lines as potential sources of resistance to Fusarium ear rot and fumonisin accumulation in field trials at Potchefstroom and Vaalharts in South Africa. After artificial silk channel inoculation with F. verticillioides, Fusarium ear rot development was determined at harvest and fumonisins B
, B
, and B
quantified. A significant inbred line by location effect was observed for Fusarium ear rot severity (P ≤ 0.001), although certain lines proved to be consistently resistant across both locations. The individual inbred lines also differed considerably in fumonisin accumulation between Potchefstroom and Vaalharts, with differentiation between susceptible and potentially resistant inbred lines only being possible at Vaalharts. A greenhouse inoculation trial was then also performed on a subset of potentially resistant and highly susceptible lines. The inbred lines CML 390, CML 444, CML 182, VO 617Y-2, and RO 549 W consistently showed a low Fusarium ear rot (<5%) incidence at both Potchefstroom and Vaalharts and in the greenhouse. Two of these inbred lines, CML 390 and CML 444, accumulated fumonisin levels <5 mg kg
. These lines could potentially act as sources of resistance for use within a maize breeding program.</abstract><cop>St. Paul, MN</cop><pub>American Phytopathological Society</pub><pmid>30727350</pmid><doi>10.1094/PDIS-08-11-0695</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
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| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Alma/SFX Local Collection; American Phytopathological Society Journal Back Issues |
| subjects | Biological and medical sciences Fundamental and applied biological sciences. Psychology Fungal plant pathogens Fusarium verticillioides Phytopathology. Animal pests. Plant and forest protection Zea mays |
| title | Resistance in Maize Inbred Lines to Fusarium verticillioides and Fumonisin Accumulation in South Africa |
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