Genetic improvement of drought tolerance in faba beans (Vicia faba L.):
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Göttingen
Cuvillier
1999
|
| Ausgabe: | 1. Aufl. |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | 77 S. graph. Darst. |
| ISBN: | 3897125897 |
Internformat
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Datensatz im Suchindex
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Titel: Genetic improvement of drought tolerance in faba beans (Vicia faba L.)
Autor: Abdelmula, Awadalla Abdalla
Jahr: 1999
TABLE OF CONTENTS
Page
LIST OF ABBREVIATIONS iii
LIST OF TABLES v
LIST OF FIGURES viii
(•INTRODUCTION, LITERATURE REVIEW AND OBJECTIVES 1
1.1 Introduction 1
1.2 Literature review 2
1.2.1 Drought as a production limiting factor 2
1.2.2 Effect of drought on faba bean 2
1.2.3 Plant adaptations to drought stress 4
1.2.4 What is drought tolerance 4
1.2.5 How to evaluate and improve drought tolerance 6
1.2.6 Impact of drought on estimation of genetic parameters 7
1.2.7 Yield stability and wide adaptation 8
1.3 Objectives 9
2 MATERIALS AND METHODS 10
2.1 The genetic material 10
2.2 Description of experiments 11
2.3 Data collection and assessment 14
2.4 Statistical analyses 16
2.4.1 Phenotypic variability 16
2.4.2 Heritability 18
2.4.3 Heterosis 19
2.4.4 General and specific combining abilities 20
2.4.5 Stability analysis 21
2.4.6 Relationships between trails 23
3 RESULTS 24
3.1 Effects of environments and drought on genotype means 24
3.1.1 Environmental conditions 24
3.1.2 Perfonnance of genotypes over environments 24
3.1.3 Effect of drought on performance of genotypes 26
3.2 Phenotypic variability for reproductive and vegetative traits 27
3.2.1 Significance 27
3.2.2 Genotypic and interaction variances 28
3.2.3 Heritability 29
3.3 Genetic analysis of drought tolerance 29
3.3.1 Traits related to drought tolerance 29
3.3.2 Correlation between drought tolerance parameters 30
3.3.3 Genetic variability for drought tolerance 34
3.3.4 Heritability of drought tolerance parameters 35'
3.3.5 Means of drought tolerance of genotypes 37
3.3.6 Effects of heterozygosity on drought tolerance 3 8
3.3.7 General and specific combining abilities for drought tolerance 40
3.4 Genotype x environment interactions 42
3.4.1 Yield stability of parents and F1 -hybrids 42
3.4.2 Adaptation of parents and Fl-hybrids 45
3.4.3 Relationship between drought tolerance and yield stability 48
4 DISCUSSION 50
4.1 Drought intensity and its consequences 50
4.2 Genetic variability and heritability 50
4.3 Correlation between traits 52
4.3.1 Relationship of yield under dry and well-watered conditions 52
4.3.2 Relationship of drought tolerance with yield 52
4.3.3 Selection criteria for drought tolerance 53
4.4 Effect of heterozygosity on drought tolerance 55
4.5 Contribution of selected parents in improving drought tolerance 56
4.6 Yield stability and adaptation 56
4.7 Drought tolerance versus yield stability 58
4.8 Conclusion 58
5 SUMMARY 59
6 ZUSAMMENFASSUNG 61
7 REFERENCES 63
8 APPENDIX 71
9 ACKNOWLEDGEMENTS 77 |
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| author | Abdelmula, Awadalla Abdalla 1962- |
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| author_facet | Abdelmula, Awadalla Abdalla 1962- |
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| author_sort | Abdelmula, Awadalla Abdalla 1962- |
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| indexdate | 2024-12-06T17:00:43Z |
| institution | BVB |
| isbn | 3897125897 |
| language | English |
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| spelling | Abdelmula, Awadalla Abdalla 1962- Verfasser (DE-588)121419045 aut Genetic improvement of drought tolerance in faba beans (Vicia faba L.) by Awadalla Abdalla Abdelmula 1. Aufl. Göttingen Cuvillier 1999 77 S. graph. Darst. txt rdacontent n rdamedia nc rdacarrier Göttingen, Univ., Diss., 1999 Stress (DE-588)4058047-7 gnd rswk-swf Genetische Variabilität (DE-588)4264352-1 gnd rswk-swf Ackerbohne (DE-588)4141289-8 gnd rswk-swf Trockenheit (DE-588)4186270-3 gnd rswk-swf Toleranz Biologie (DE-588)4308830-2 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Ackerbohne (DE-588)4141289-8 s Genetische Variabilität (DE-588)4264352-1 s Toleranz Biologie (DE-588)4308830-2 s Stress (DE-588)4058047-7 s Trockenheit (DE-588)4186270-3 s DE-604 HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=021932050&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Abdelmula, Awadalla Abdalla 1962- Genetic improvement of drought tolerance in faba beans (Vicia faba L.) Stress (DE-588)4058047-7 gnd Genetische Variabilität (DE-588)4264352-1 gnd Ackerbohne (DE-588)4141289-8 gnd Trockenheit (DE-588)4186270-3 gnd Toleranz Biologie (DE-588)4308830-2 gnd |
| subject_GND | (DE-588)4058047-7 (DE-588)4264352-1 (DE-588)4141289-8 (DE-588)4186270-3 (DE-588)4308830-2 (DE-588)4113937-9 |
| title | Genetic improvement of drought tolerance in faba beans (Vicia faba L.) |
| title_auth | Genetic improvement of drought tolerance in faba beans (Vicia faba L.) |
| title_exact_search | Genetic improvement of drought tolerance in faba beans (Vicia faba L.) |
| title_full | Genetic improvement of drought tolerance in faba beans (Vicia faba L.) by Awadalla Abdalla Abdelmula |
| title_fullStr | Genetic improvement of drought tolerance in faba beans (Vicia faba L.) by Awadalla Abdalla Abdelmula |
| title_full_unstemmed | Genetic improvement of drought tolerance in faba beans (Vicia faba L.) by Awadalla Abdalla Abdelmula |
| title_short | Genetic improvement of drought tolerance in faba beans (Vicia faba L.) |
| title_sort | genetic improvement of drought tolerance in faba beans vicia faba l |
| topic | Stress (DE-588)4058047-7 gnd Genetische Variabilität (DE-588)4264352-1 gnd Ackerbohne (DE-588)4141289-8 gnd Trockenheit (DE-588)4186270-3 gnd Toleranz Biologie (DE-588)4308830-2 gnd |
| topic_facet | Stress Genetische Variabilität Ackerbohne Trockenheit Toleranz Biologie Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=021932050&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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