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Genetics Of Resistance In Maize Zea Mays L To Second Brood European Corn Borer Ostrinia Nubilalis Hubner
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Book Synopsis Genetics of Resistance in Maize (Zea Mays L.) to Second-brood European Corn Borer (Ostrinia Nubilalis Hübner) by : Clark Waller Jennings
Download or read book Genetics of Resistance in Maize (Zea Mays L.) to Second-brood European Corn Borer (Ostrinia Nubilalis Hübner) written by Clark Waller Jennings and published by . This book was released on 1973 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Resistance Breeding in Maize (Zea Mays L.) Against the European Corn Borer (Ostrinia Nubilalis Hübner) and the Use of DNA-markers for Marker-assisted Selection by : Christine Papst
Download or read book Resistance Breeding in Maize (Zea Mays L.) Against the European Corn Borer (Ostrinia Nubilalis Hübner) and the Use of DNA-markers for Marker-assisted Selection written by Christine Papst and published by . This book was released on 2004 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Breeding Strategies for Improving the Quantitative Resistance of Maize (Zea Mays L.) Against European Corn Borer (Ostrinia Nubilalis Hübner) by : Ralph Kreps
Download or read book Breeding Strategies for Improving the Quantitative Resistance of Maize (Zea Mays L.) Against European Corn Borer (Ostrinia Nubilalis Hübner) written by Ralph Kreps and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Quantitative Trait Loci for First- and Second-generation European Corn Borer Resistance in Maize by : Chaba Jampatong
Download or read book Quantitative Trait Loci for First- and Second-generation European Corn Borer Resistance in Maize written by Chaba Jampatong and published by . This book was released on 1999 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: European corn borer (ECB), Ostrinia nubilalis Hübner, family Crambidae, order Lepidoptera, is a serious insect pest of maize (Zea mays L.) in the United States. Losses to farmers resulting from ECB damage and control costs exceed $1 billion each year. An understanding of the genetic basis for ECB resistance should increase the efficiency of breeding for insect resistant varieties. The objectives of this study were to determine the number, genomic positions, and genetic effects of quantitative trait loci (QTL) conferring resistance to the first- and second-generation of European corn borer (1ECB, 2ECB), and to observe QTL × environment interactions. The study included 244 F 2-3 families derived from the cross of B73 (susceptible) × Mo47 (resistant). Evaluating resistance against 1ECB, plants were manually infested at the eight- to ten-leaf stage of plant development. Leaf feeding damage was assessed three weeks after infestation with a visual rating scale. Evaluation for resistance to 2ECB involved manually infesting at anthesis stage of plant development. Approximately seven weeks later, stalks were split lengthwise and number and the length of tunnels visually estimated in inches. Plant height and rind penetrometer resistance were measured two weeks after flowering. Quantitative trait loci analyses for individual environments and combined across three environments were performed by composite interval mapping using QTL Cartographer. For 1ECB leaf feeding, nine QTLs were identified on chromosomes 1(three QTLs), 2, 4 (two QTLs), 5, 6, and 8. Seven QTLs for resistance to 2ECB tunnel length were found on chromosomes 2, 5 (two QTLS), 6 (two QTLs), 8, and 9. Twelve QTLs for resistance to 2ECB tunnel length adjusted for plant height were identified on chromosomes 1 (two QTLs), 2, 3 (two QTLs), 5, 6 (three QTLs), 8, 9, and 10. In addition, QTLs were identified for tunnel number (16 QTLS), plant height (11 QTLs) and rind penetrometer resistance (nine QTLs). In this experiment, a total of 47 QTLs for all traits were mapped in three individual environments and combined over environments. Nine (19%) QTLs were expressed in all three environments and combined, 17 (36%) were expressed in two environments and combined, and 21 (45%) were expressed only in single environment and combined. Inconsistency of QTLs across environments suggested need for breeders awareness when selecting markers linked to QTLs for marker-assisted selection (MAS). Further study on consistency of QTLs across populations is needed before applied breeding programs can fully utilized QTL information.
Book Synopsis Mechanisms of Resistance to European Corn Borers, Ostrinia Nubilalis (Hubner), in Exotic Maize Lines by : Sue Lynn Sullivan
Download or read book Mechanisms of Resistance to European Corn Borers, Ostrinia Nubilalis (Hubner), in Exotic Maize Lines written by Sue Lynn Sullivan and published by . This book was released on 1975 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis European Corn Borer (Ostrinia Nubilalis (Hubner)) Resistance in Maize by : Chareinsuk Rojanaridpiched
Download or read book European Corn Borer (Ostrinia Nubilalis (Hubner)) Resistance in Maize written by Chareinsuk Rojanaridpiched and published by . This book was released on 1983 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Role of Extracellular Peroxidase in Maize, Zea Mays (L.) Resistance to the European Corn Borer, Ostrinia Nubilalis (Hübner). by :
Download or read book Role of Extracellular Peroxidase in Maize, Zea Mays (L.) Resistance to the European Corn Borer, Ostrinia Nubilalis (Hübner). written by and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of Peruvian Maize (Zea Mays L.) for Resistance to European Corn Borer [(Ostrinia Nubilalis Hübner) Lepidoptera:Pyralidae] Leaf Feeding and Ovipositional Preference by : Craig Arthur Abel
Download or read book Evaluation of Peruvian Maize (Zea Mays L.) for Resistance to European Corn Borer [(Ostrinia Nubilalis Hübner) Lepidoptera:Pyralidae] Leaf Feeding and Ovipositional Preference written by Craig Arthur Abel and published by . This book was released on 1993 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Insect Resistant Maize written by and published by CIMMYT. This book was released on 1997 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mechanisms and bases of resistance; The genetics of resistance; Biotechnological manipulation of resistance; Advances in techniques, rearing, rating bioassays, mechanism detection; Resistance verification and utilization; Country reports.
Book Synopsis Evaluation of Maize (Zea Mays L.) Inbreds for Resistance to the European Corn Borer (Ostrinia Nubilalis Hb.) and the Potential Role of Lignin as a Resistance Mechanism by : Bradley R. Engel
Download or read book Evaluation of Maize (Zea Mays L.) Inbreds for Resistance to the European Corn Borer (Ostrinia Nubilalis Hb.) and the Potential Role of Lignin as a Resistance Mechanism written by Bradley R. Engel and published by . This book was released on 2006 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :International Maize and Wheat Improvement Center Publisher :CIMMYT ISBN 13 :9789686127355 Total Pages :340 pages Book Rating :4.1/5 (273 download)
Book Synopsis Toward Insect Resistant Maize for the Third World by : International Maize and Wheat Improvement Center
Download or read book Toward Insect Resistant Maize for the Third World written by International Maize and Wheat Improvement Center and published by CIMMYT. This book was released on 1989 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effects of European Corn Borer [Ostrinia Nubilalis (L.) Hubner] and a Stalk Rot Pathogen Complex on Yield and Stalk Quality of Maize (Zea Mays L.) Grown Under Intensive Management by : Frederick Wright Smith
Download or read book The Effects of European Corn Borer [Ostrinia Nubilalis (L.) Hubner] and a Stalk Rot Pathogen Complex on Yield and Stalk Quality of Maize (Zea Mays L.) Grown Under Intensive Management written by Frederick Wright Smith and published by . This book was released on 1986 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Resistance of Maize (Zea Mays L.) Against the European Corn Borer (Ostrinia Nubilalis Hb.) and Its Association with Mycotoxins Produced by Fusarium Spp by : Thomas Magg
Download or read book Resistance of Maize (Zea Mays L.) Against the European Corn Borer (Ostrinia Nubilalis Hb.) and Its Association with Mycotoxins Produced by Fusarium Spp written by Thomas Magg and published by . This book was released on 2004 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Role of Extracellular Peroxidase in Maize, Zea Mays (L.) Resistance to the European Corn Borer, Ostrinia Nubilalis (Hübner). by : Susan MacIsaac
Download or read book Role of Extracellular Peroxidase in Maize, Zea Mays (L.) Resistance to the European Corn Borer, Ostrinia Nubilalis (Hübner). written by Susan MacIsaac and published by . This book was released on 1997 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Introgressing a New Source of Host-plant Resistance to European Corn Borer Into Two Elite Maize Inbred Lines by : Craig Arthur Abel
Download or read book Introgressing a New Source of Host-plant Resistance to European Corn Borer Into Two Elite Maize Inbred Lines written by Craig Arthur Abel and published by . This book was released on 1998 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt: Eleven accessions of Peruvian maize were evaluated for mechanisms of resistance to leaf feeding by European corn borer, Ostrinia nubilalis (Hubner). Antibiosis was identified as one mechanism of resistance that operates at a level equivalent to Cl31A which is a maize inbred line containing high levels of 2,4-dihydroxy-7-methoxy-1,4-benzoxazin-3-one (DIMBOA), thus having strong antixenotic and antibiotic properties towards leaf feeding by European corn borer. Antixenosis may be another mechanism of resistance operating in the Peruvian maize but at a level lower than Cl31A. The 11 Peruvian maize accessions were used as donor parents in a backcross plant breeding program designed to introgress the European corn borer resistance trait into two elite U.S. Corn Belt adapted inbred lines. Resistance to European corn borer leaf feeding and sheath and collar feeding was recovered in the Fl indicating dominant genetic control.
Book Synopsis Phenotypic and Genotypic Analyses of Maize Inbreds Selected for Improved Resistance to Stalk Tunneling by the European Corn Borer (Ostrinia Nubilalis (Hübner)) by : Daniel Pablo Donadio
Download or read book Phenotypic and Genotypic Analyses of Maize Inbreds Selected for Improved Resistance to Stalk Tunneling by the European Corn Borer (Ostrinia Nubilalis (Hübner)) written by Daniel Pablo Donadio and published by . This book was released on 2003 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: The European corn borer (ECB) significantly affects the production of maize in temperate regions. Second-generation ECB larvae tunnel into the stalks leading to reduced plant growth and grain yield. Several inbreds such as B52, DE811, and B86 have been identified as resistant to tunneling. However, selection for native resistance is difficult because the genetic mechanisms controlling the trait are unknown. Backcross (BC) lines are derived from B73/B52 and B73/DE811 populations were developed and selected for reduced tunneling by ECB. Phenotypic analysis of the BC lines was performed to assess their degree of resistance with respect to the parental lines. Genotypic analysis of the BC lines was accomplished by use of simple sequence repeat (SSR) primer pairs. This analysis included the investigation of the origin of chromosomal segments, estimation of parental contribution, construction of graphical genotypes, detection of loci associated with resistance and their comparison with quantitative trait loci (QTL) reported by other researchers. For the B73/B52 population, 19 of the 34 BC lines were as resistant as B52 and 1 BC line was as susceptible as B73. No correlation was found between stalk tunneling and either plant height or anthesis date. The proportion of B52 alleles in the genome of the BC lines was 2.9 to 5.2 times greater than expected assuming absence of selection and linkage. Nineteen loci could be associated with resistance. However, only 5 of them coincided with QTLs reported in other studies. For B73/DE811 population, 1 of the 6 BC lines was as resistant as DE811. Percentage of damage caused by ECB and anthesis were significantly correlated ( -0.74). The proportion of DE811 alleles was 2.3 to 8.8 times greater than expected under the cited assumptions.
Book Synopsis Inheritance of Resistance in Maize to First and Second Broods of the European Corn Borer by : Mohammad Sadehdel-Moghaddam
Download or read book Inheritance of Resistance in Maize to First and Second Broods of the European Corn Borer written by Mohammad Sadehdel-Moghaddam and published by . This book was released on 1980 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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