Sclerotinia Blight Resistance in the US Peanut Mini‐Core Collection
Germplasm collections are valuable sources of desirable traits such as disease resistance, but many accessions have yet to be characterized. Seventy‐one accessions of the US peanut (Arachis hypogaea L.) mini‐core were evaluated from 2013 to 2015 for yield, seed quality characteristics, Sclerotinia b...
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Veröffentlicht in: | Crop science 2018-05, Vol.58 (3), p.1306-1317 |
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description | Germplasm collections are valuable sources of desirable traits such as disease resistance, but many accessions have yet to be characterized. Seventy‐one accessions of the US peanut (Arachis hypogaea L.) mini‐core were evaluated from 2013 to 2015 for yield, seed quality characteristics, Sclerotinia blight (caused by Sclerotinia minor Jagger) resistance in the field, and for a Sclerotinia resistance marker. Twenty‐one accessions with |
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Seventy‐one accessions of the US peanut (Arachis hypogaea L.) mini‐core were evaluated from 2013 to 2015 for yield, seed quality characteristics, Sclerotinia blight (caused by Sclerotinia minor Jagger) resistance in the field, and for a Sclerotinia resistance marker. Twenty‐one accessions with <10% and six accessions with <5% disease incidence were identified from the 2 yr most favorable for disease. Resistant accessions were more likely to have a simple sequence repeat marker for Sclerotinia blight resistance, and a negative correlation between disease incidence and the presence of the resistance marker was observed. One resistant mini‐core accession, CC650 (PI 478819), was similar to commercial cultivars in yield (3617 kg ha−1 over 3 yr). CC650 also had the highest seed grade among entries at 73%, large kernels (73 g 100 seed−1), and a large proportion of extra‐large kernels. In growth chamber inoculation tests, CC650 was similar to the resistant cultivar ‘Georgia‐03L’. These results may be useful to peanut breeders seeking additional sources of resistance to Sclerotinia minor.</description><identifier>ISSN: 0011-183X</identifier><identifier>EISSN: 1435-0653</identifier><identifier>DOI: 10.2135/cropsci2017.09.0591</identifier><language>eng</language><publisher>The Crop Science Society of America, Inc</publisher><ispartof>Crop science, 2018-05, Vol.58 (3), p.1306-1317</ispartof><rights>Copyright © 2018 by the Crop Science Society of America, Inc.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3121-e50e67b70b9890c9e59947327f79f6ea755f1ca93d10412f6bc69376c6be8ba63</citedby><cites>FETCH-LOGICAL-c3121-e50e67b70b9890c9e59947327f79f6ea755f1ca93d10412f6bc69376c6be8ba63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.2135%2Fcropsci2017.09.0591$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.2135%2Fcropsci2017.09.0591$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1416,27923,27924,45573,45574</link.rule.ids></links><search><creatorcontrib>Bennett, Rebecca S.</creatorcontrib><creatorcontrib>Chamberlin, Kelly D.</creatorcontrib><creatorcontrib>Damicone, John P.</creatorcontrib><title>Sclerotinia Blight Resistance in the US Peanut Mini‐Core Collection</title><title>Crop science</title><description>Germplasm collections are valuable sources of desirable traits such as disease resistance, but many accessions have yet to be characterized. Seventy‐one accessions of the US peanut (Arachis hypogaea L.) mini‐core were evaluated from 2013 to 2015 for yield, seed quality characteristics, Sclerotinia blight (caused by Sclerotinia minor Jagger) resistance in the field, and for a Sclerotinia resistance marker. Twenty‐one accessions with <10% and six accessions with <5% disease incidence were identified from the 2 yr most favorable for disease. Resistant accessions were more likely to have a simple sequence repeat marker for Sclerotinia blight resistance, and a negative correlation between disease incidence and the presence of the resistance marker was observed. One resistant mini‐core accession, CC650 (PI 478819), was similar to commercial cultivars in yield (3617 kg ha−1 over 3 yr). CC650 also had the highest seed grade among entries at 73%, large kernels (73 g 100 seed−1), and a large proportion of extra‐large kernels. In growth chamber inoculation tests, CC650 was similar to the resistant cultivar ‘Georgia‐03L’. These results may be useful to peanut breeders seeking additional sources of resistance to Sclerotinia minor.</description><issn>0011-183X</issn><issn>1435-0653</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNqNkEFOwzAQRS0EEqVwAja-QMpMXNv1EqwWKhW1aqjELnLMhBqFpIqDUHccgTNyElrKgiWrkb7mfek_xi4RBikKeeXbZhN9SAH1AMwApMEj1sOhkAkoKY5ZDwAxwZF4PGVnMb4AgDZa9tg48xW1TRfq4PhNFZ7XHV9SDLFztSceat6tia8yviBXv3X8fvf49fFpm5a4baqKfBea-pydlK6KdPF7-2w1GT_Yu2Q2v53a61niBaaYkARSutBQmJEBb0gaM9Qi1aU2pSKnpSzROyOeEIaYlqrwygitvCpoVDgl-kwceneDY2ypzDdteHXtNkfI9ybyPyZyMPnexI6aHKj3UNH2P0huM5va5XyR2ek-B_NT9A0jN2ke</recordid><startdate>201805</startdate><enddate>201805</enddate><creator>Bennett, Rebecca S.</creator><creator>Chamberlin, Kelly D.</creator><creator>Damicone, John P.</creator><general>The Crop Science Society of America, Inc</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>201805</creationdate><title>Sclerotinia Blight Resistance in the US Peanut Mini‐Core Collection</title><author>Bennett, Rebecca S. ; Chamberlin, Kelly D. ; Damicone, John P.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3121-e50e67b70b9890c9e59947327f79f6ea755f1ca93d10412f6bc69376c6be8ba63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bennett, Rebecca S.</creatorcontrib><creatorcontrib>Chamberlin, Kelly D.</creatorcontrib><creatorcontrib>Damicone, John P.</creatorcontrib><collection>CrossRef</collection><jtitle>Crop science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bennett, Rebecca S.</au><au>Chamberlin, Kelly D.</au><au>Damicone, John P.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Sclerotinia Blight Resistance in the US Peanut Mini‐Core Collection</atitle><jtitle>Crop science</jtitle><date>2018-05</date><risdate>2018</risdate><volume>58</volume><issue>3</issue><spage>1306</spage><epage>1317</epage><pages>1306-1317</pages><issn>0011-183X</issn><eissn>1435-0653</eissn><abstract>Germplasm collections are valuable sources of desirable traits such as disease resistance, but many accessions have yet to be characterized. Seventy‐one accessions of the US peanut (Arachis hypogaea L.) mini‐core were evaluated from 2013 to 2015 for yield, seed quality characteristics, Sclerotinia blight (caused by Sclerotinia minor Jagger) resistance in the field, and for a Sclerotinia resistance marker. Twenty‐one accessions with <10% and six accessions with <5% disease incidence were identified from the 2 yr most favorable for disease. Resistant accessions were more likely to have a simple sequence repeat marker for Sclerotinia blight resistance, and a negative correlation between disease incidence and the presence of the resistance marker was observed. One resistant mini‐core accession, CC650 (PI 478819), was similar to commercial cultivars in yield (3617 kg ha−1 over 3 yr). CC650 also had the highest seed grade among entries at 73%, large kernels (73 g 100 seed−1), and a large proportion of extra‐large kernels. In growth chamber inoculation tests, CC650 was similar to the resistant cultivar ‘Georgia‐03L’. These results may be useful to peanut breeders seeking additional sources of resistance to Sclerotinia minor.</abstract><pub>The Crop Science Society of America, Inc</pub><doi>10.2135/cropsci2017.09.0591</doi><tpages>12</tpages></addata></record> |
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title | Sclerotinia Blight Resistance in the US Peanut Mini‐Core Collection |
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