Inheritance of resistance in maize to first and second broods of the European corn borer

Sadehdel-Moghaddam, M.

doi:10.31274/rtd-180813-5363

Cited by 4 publications

(6 citation statements)

References 30 publications

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“…The H 2 estimate on a plot basis (0.36) was less than half the value of the estimate on an entry‐mean basis, demonstrating the importance of replication over locations and years for obtaining good estimates of ECB tunneling means (Table 2). The heritability estimates were similar to those reported previously for ECB tunneling, plant height and days to anthesis (Schön et al, 1993; Lee, 1993; Sadehdel‐Moghaddam et al, 1983).…”

Section: Resultssupporting

confidence: 88%

“…Biometrical investigations of the relationship between resistance to leaf feeding and stalk tunneling indicate that there is no genotypic or phenotypic correlation between the two traits. This result was found not only for ECB, but also for southwestern corn borer (SWCB) [ Diatraea grandiosella (Dyar)], and sugar cane borer (SCB) [ Diatraea saccharalis (Fabricius)] (Bergvinson, 1999, personal communication; Russell et al, 1974; Sadehdel‐Moghaddam et al, 1983; Klenke et al, 1986a; Coors, 1987).…”

Section: Discussionmentioning

confidence: 89%

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Genetic Mapping and Analysis of Quantitative Trait Loci for Resistance to Stalk Tunneling by the European Corn Borer in Maize

et al. 2001

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The European corn borer (ECB), Ostrinia nubilalis (Hübner), is an important pest of temperate maize (Zea mays L.). Damage to the stalk could be minimized by breeding for resistant genotypes but selection is hindered by a laborious phenotypic assay. Knowledge of the position of quantitative trait loci (QTL) conferring resistance to ECB tunneling could greatly simplify selection for this trait. This study was conducted to map QTL for resistance to ECB tunneling, plant height, and anthesis. Recombinant inbred lines of the maize single‐cross population B73×B52, were grown at two locations in Iowa in 1997 and 1998. Genotypic and phenotypic data were obtained from each line to perform the QTL analysis. Nine QTL were detected for ECB tunneling, and they were associated with 59% of the genetic variation. Genetic effects for decreased tunneling were derived from the resistant parent, B52, at six QTL. One digenic interaction was detected between QTL for ECB tunneling. Eight and 10 QTL were detected for anthesis and plant height, respectively. ECB tunneling was not significantly correlated with either trait. Several QTL for ECB tunneling reported herein, QTL for ECB tunneling in other maize populations, and QTL for resistance to leaf damage by insect pests of tropical maize are located at similar positions of the maize genetic map.

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Section: Resultssupporting

confidence: 88%

Section: Discussionmentioning

confidence: 89%

Genetic Mapping and Analysis of Quantitative Trait Loci for Resistance to Stalk Tunneling by the European Corn Borer in Maize

et al. 2001

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“…For both experiments the error variance accounts for a large fraction of the phenotypic variance, illustrating the complications with assessing resistance to tunneling. The broad‐sense heritability for tunneling was 0.65 (95% CI = 0.55–0.71), which is comparable to previous studies (0.63–0.78; Sadehdel‐Moghaddam et al, 1983; Schön et al, 1993; Cardinal et al, 2001).…”

Section: Resultssupporting

confidence: 87%

“…The QTL on chromosomes 1 ( umc157 and umc11 ), 5 ( umc68 ), and 8 ( bnl8.26 ) are in the same regions (i.e., within 25 cM) as those for resistance to leaf feeding by SWCB, SCB, or both (Groh et al, 1998). The linkage between resistance to leaf feeding by SWCB and SCB and ECB tunneling was unexpected because resistance to leaf feeding and tunneling by ECB in temperate maize has a low genotypic correlation (0.10–0.33; Russell et al, 1974; Sadehdel‐Moghaddam et al, 1983; Klenke et al, 1986a).…”

Section: Discussionmentioning

confidence: 99%

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

et al. 2002

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Identification of the genes conferring resistance to European corn borer (ECB) [Ostrinia nubilalis (Hübner)] is an important step in understanding how resistance is expressed and whether different sources of maize (Zea mays L.) germplasm can be combined to enhance protection. The locations of genes for resistance to ECB tunneling have been reported but are inconsistent across studies. The objectives of this study were to map and characterize quantitative trait loci (QTL) for resistance to tunneling in De811 and compare these with related studies and with QTL for anthesis and ear height. Inbred De811 (resistant) was crossed to susceptible inbred B73 to produce a population of 147 F3 lines. The population was artificially infested and evaluated in three environments. The F3 lines were genotyped at 88 restriction fragment length polymorphism (RFLP) loci to facilitate QTL mapping with composite interval mapping (CIM). Seven QTL for ECB tunneling were detected on chromosomes 1, 3, 4, 5, and 8, associated with 42% of the phenotypic variation. The F1 exhibits partial dominance for resistance but only one QTL with dominant gene action was observed. An F3 population of B73 × B52 that was evaluated in the same environments facilitated comparisons of genetic heterogeneity between inbreds De811 and B52. Only one QTL for tunneling was common between the populations, indicating that the two inbreds may contribute different genes for resistance in crosses with B73. This information could be useful for combining the favorable alleles of De811 and B52.

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“…Resistance to sheath-collar feeding In maize by 2nd-generation ECBs Is polygenic; at least 7 genes are Involved (short arms of chromosomes 1, 3, and 5 and long arms of chromosomes 1, 2, 4, and 8: , and the type of gene action Is primarily additive, although resistance Is partially dominant Sadehdel-Moghaddam et al, 1983).…”

Section: Resultsmentioning

confidence: 99%

European corn borer resistance in sorghum compared with maize

Dharmalingam

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Inheritance of resistance in maize to first and second broods of the European corn borer

Cited by 4 publications

References 30 publications

Genetic Mapping and Analysis of Quantitative Trait Loci for Resistance to Stalk Tunneling by the European Corn Borer in Maize

Genetic Mapping and Analysis of Quantitative Trait Loci for Resistance to Stalk Tunneling by the European Corn Borer in Maize

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

European corn borer resistance in sorghum compared with maize

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