Genetic Components of Resistance to Stalk Tunneling by the European Corn Borer in Maize

Krakowsky, Matthew D.; Brinkman, Mark Joseph; Woodman-Clikeman, W.; Lee, M.

doi:10.2135/cropsci2002.1309

Cited by 32 publications

(29 citation statements)

References 38 publications

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“…Concerning the marker coverage, the genetic map of our study was characterized by a higher marker density and a smaller average marker distance (6 cM) compared to previous reports (Schön et al 1993;Cardinal et al 2001;Papst et al 2001;Jampatong et al 2002;Krakowsky et al 2002, Krakowsky et al 2004Cardinal and Lee 2005). Only the two large gaps (about 70 cM) present in the lower arm of chromosome 2 and 8 could have led to a lack of detection of putative QTL present in these regions.…”

Section: Qtl Detectioncontrasting

confidence: 54%

“…However, in hybrid breeding, use of TC progenies for QTL mapping is more relevant than lines per se, because markers linked to QTL can be employed in MAS only if the identified QTL are expressed in hybrid combinations. Although the resistance to ECB has been shown to be both additive and dominant (Beavis et al 1994, Papst et al 2004, the additive gene action explained most of the genetic variance (Bohn et al 2000;Papst et al 2001;Krakowsky et al 2002). In our mapping population only substituting effects a, equivalent to additive effects in the absence of dominance, could be estimated.…”

Section: Qtl Detectionmentioning

confidence: 85%

“…During the last two decades, several studies have been conducted to identify QTL for resistance to ECB1 and ECB2 (Schön et al 1993;Bohn et al 2000;Cardinal et al 2001;Papst et al 2001;Jampatong et al 2002;Krakowsky et al 2002;Krakowsky et al 2004;Papst et al 2004). Similar studies have been conducted for South Western Corn Borer (SWCB) (Willcox et al 2002;Brooks et al 2007) and Mediterranean corn borer (MCB) (Ordas et al 2009).…”

Section: Introductionmentioning

confidence: 99%

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Mapping of QTL for resistance to first and second generation of European corn borer using an integrated SNP and SSR linkage map

Orsini

Krchov

Uphaus³

et al. 2011

Euphytica

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The European corn borer (ECB, Ostrinia nubilalis Hübner) is a major pest of maize (Zea mays L.) in North America and Europe. In this study, we mapped and characterized QTL affecting the resistance to the first (ECB1) and second generation (ECB2) of ECB and plant height with the aid of 164 SNP and 88 SSR markers. A total of 144 testcross (TC) progenies of double haploid (DH) lines developed from a cross of two parental lines from the Stiff Stalk germplasm pool were tested at six different locations in the USA under both natural and artificial infestation with ECB larvae. Resistance to ECB1 and ECB2 was assessed by measuring leaf feeding and stalk breakage, respectively, using a visual rating scale from 1 (severe damage) to 9 (no damage). Genotypic variance among the TC progenies was significant for all traits. Heritabilities were moderately high (0.69) for stalk breakage and plant height (0.75), but only moderate for leaf feeding (0.43). For stalk breakage, three QTL were detected that together explained 36% of the genetic variance, whereas for leaf feeding only one QTL was mapped, which explained 25% of the genotypic variance. For plant height, two QTL were identified, explaining 20% of the genotypic variance. The QTL for leaf feeding and stalk breakage mapped by us were located in chromosomal regions adjacent to those reported for other maize germplasm and therefore might be suitable candidates for marker-assisted selection (MAS) during line development.

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Section: Qtl Detectioncontrasting

confidence: 54%

Section: Qtl Detectionmentioning

confidence: 85%

Section: Introductionmentioning

confidence: 99%

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Mapping of QTL for resistance to first and second generation of European corn borer using an integrated SNP and SSR linkage map

Orsini

Krchov

Uphaus³

et al. 2011

Euphytica

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“…All QTL found for TC performance were located adjacent to QTL regions detected for stem borer resistance in other temperate and tropical maize populations (Schön et al 1993;Groh et al 1998;Khairallah et al 1998;Bohn et al 2000;Papst et al 2001;Jampatong et al 2002;Krakowsky et al 2002). A compilation of all known QTL positions based on their bin location showed that QTL for stem borer resistance were not randomly distributed across the maize genome but occur in clusters on chromosome 1, 5, and 9.…”

Section: Clustering Of Qtl For Insect Resistancementioning

confidence: 94%

“…In most ECB QTL studies, the majority of QTL associated with resistance showed additive effects and only to a minor extent dominance (Bohn et al 2000;Papst et al 2001;Krakowsky et al 2002). Therefore, tight correlations between per se and TC evaluations were expected.…”

Section: Consistency Of Qtl For Per Se and Tc Performancementioning

confidence: 99%

QTL mapping for European corn borer resistance (Ostrinia nubilalis Hb.), agronomic and forage quality traits of testcross progenies in early-maturing European maize (Zea mays L.) germplasm

et al. 2004

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In hybrid breeding the performance of lines in hybrid combinations is more important than their performance per se. Little information is available on the correlation between individual line and testcross (TC) performances for the resistance to European corn borer (ECB, Ostrinia nubilalis Hb.) in maize ( Zea mays L.). Marker assisted selection (MAS) will be successful only if quantitative trait loci (QTL) found in F(2) derived lines for ECB resistance are still expressed in hybrid combinations. The objectives of our study were: (1) to identify and characterize QTL for ECB resistance as well as agronomic and forage quality traits in a population of testcrossed F(2:3) families; (2) to evaluate the consistency of QTL for per se and TC performances; and (3) to determine the association between per se and TC performances of F(2:3) lines for these traits. Two hundred and four F(2:3) lines were derived from the cross between maize lines D06 (resistant) and D408 (susceptible). These lines were crossed to D171 and the TC progenies were evaluated for ECB resistance and agronomic performance in two locations in 2000 and 2001. Using these TC progenies, six QTL for stalk damage rating (SDR) were found. These QTL explained 27.4% of the genotypic variance in a simultaneous fit. Three QTL for SDR were detected consistently for per se and TC performance. Phenotypic and genotypic correlations were low for per se and TC performance for SDR. Correlations between SDR and quality traits were not significant. Based on these results, we conclude that MAS will not be an efficient method for improving SDR. However, new molecular tools might provide the opportunity to use QTL data as a first step to identify genes involved in ECB resistance. Efficient MAS procedures might then be based on markers designed to trace and to combine specific genes and their alleles in elite maize breeding germplasm.

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Inheritance of Arthropod Resistance

2005

Plant Resistance to Arthropods

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Genetic Components of Resistance to Stalk Tunneling by the European Corn Borer in Maize

Cited by 32 publications

References 38 publications

Mapping of QTL for resistance to first and second generation of European corn borer using an integrated SNP and SSR linkage map

Mapping of QTL for resistance to first and second generation of European corn borer using an integrated SNP and SSR linkage map

QTL mapping for European corn borer resistance (Ostrinia nubilalis Hb.), agronomic and forage quality traits of testcross progenies in early-maturing European maize (Zea mays L.) germplasm

Inheritance of Arthropod Resistance

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