Gas exchange, evapotranspiration efficiency, morphophysiology and productivity of cowpeas under water deficit:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Göttingen
Cuvillier
2010
|
| Ausgabe: | 1. Aufl. |
| Schlagworte: | |
| Online-Zugang: | Inhaltstext Inhaltsverzeichnis |
| Beschreibung: | XVIII, 111 S. Ill., graph. Darst. |
| ISBN: | 9783869555997 |
Internformat
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Datensatz im Suchindex
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IMAGE 1
TABLE OF CONTENTS
SUMMARY '"
ZUSAMMENFASSUNG IV
DEDICATION VU
ACKNOWLEDGEMENTS VN
LIST OF TABLES XI
LIST OF FIGURES X VL
ABBREVIATIONS X V NL
1. INTRODUCTION 1
1.1. AIMS AND OBJECTIVES OF THESE STUDIES 1
2. LITERATURE REVIEW 3
2.1. DROUGHT: DEFINITION, IMPORTANCE/PERSPECTIVE 3
2.2. GAS EXCHANGE, EVAPOTRANSPIRATION EFFICIENCY, BIOMASS ACCUMULATION
AND ALLOCATION 3
2.3. COWPEAS 6
2.3.1. ECOPHYSIOLOGY OF COWPEAS, PRODUCTION AND IMPORTANCE, CONSTRAINTS
AND
DROUGHT RESEARCH 6
3. MATERIALS AND METHODS 9
3.1. PLANT MATERIAL 9
3.2. POTS, GROWTH SUBSTRATE AND PLANTING 10
3.3. CONDITIONS OF CULTURE 11
3.3.1. IRRIGATION SYSTEM 11
3.3.2. LIGHT, TEMPERATURE AND RELATIVE HUMIDITY 12
3.4. GAS EXCHANGE MEASUREMENTS 13
3.5. LEAF RELATIVE WATER CONTENT AND LEAF ELECTROLYTE LEAKAGE 13
3.6. BIOMASS, LEAF AREA, LEAF TEMPERATURE AND STEM LENGTH 14
4. RESULTS 16
4.1. GROWTH CONDITIONS 16
4.1.1. GREENHOUSE TEMPERATURE (T) AND RELATIVE HUMIDITY (RH) 16
4.1.2. SOIL WATER POTENTIAL (SWP) AND SOIL WATER CONTENT (SWC) 17
4.2. GAS EXCHANGE 19
4.2.1. NET PHOTOSYNTHETIC RATE (P N) 19
4.2.2. TRANSPIRATION RATE (E) 20
BIBLIOGRAFISCHE INFORMATIONEN HTTP://D-NB.INFO/1009329804
DIGITALISIERT DURCH
IMAGE 2
4.2.3. STOMATAL CONDUCTANCE (GS) 21
4.2.4. INTRINSIC TRANSPIRATION EFFICIENCY (TEJ) 22
4.2.5. RATIO OF PHOTOSYNTHCTIC RATE TO STOMATAL CONDUCTANCE (PEI/GS) 24
4.3. PLANT WATER STATUS AND WATER USE 25
4.3.1. LEAF RELATIVE WATER CONTENT (RWC) 25
4.3.2. WATER USE (WU) 26
4.3.3. EVAPOTRANSPIRATION EFFICIENCY (ETE) 29
4.3.3.1. EVAPOTRANSPIRATION EFFICIENCY (ETE) DURING STRESS INTERVALS 31
4.3.4. WATER-USE EFFICIENCY (WUE) 33
4.4. GROWTH AND BIOMASS ALLOCATION 34
4.4.1. RELATIVE GROWTH RATE (RGR) 34
4.4.2. NET ASSIMILATION RATE (NAR) 35
4.4.3. MAIN STEM LENGTH AND STEM MASS TO LENGTH RATIO 36
4.4.3.1. MAIN STEM LENGTH 36
4.4.3.2. MAIN STEM MASS TO LENGTH RATIO (SMLR) 37
4.4.4. BIOMASS (DM) 39
4.4.4.1. DM ACCUMULATION DURING STRESS INTERVALS 39
4.4.4.2. DM STRESS INDEX 41
4.4.5. LEAF AREA AND SPECIFIC LEAF AREA 42
4.4.5.1. LEAF AREA (LA) 42
4.4.5.2. SPECIFIC LEAF AREA (SLA) 43
4.4.6. STEM MASS RATIO AND LEAF MASS RATIO 44
4.4.6.1. STEM MASS RATIO (SMR) 44
4.4.6.2. LEAF MASS RATIO (LMR) 45
4.4.6.3. LEAF SHEDDING 45
4.5. ELECTROLYTE LEAKAGE AND LEAF TEMPERATURE 47
4.5.1. CELL MEMBRANE STABILITY (CMS) 47
4.5.2. LEAF TEMPERATURE 48
4.6. YIELD AND YIELD COMPONENTS 49
4.6.1. NUMBER OF PODS AND SEEDS 49
4.6.1.1. NUMBER OF PODS 49
4.6.1.2. NUMBER OF SEEDS 50
4.6.2. SEED YIELD 51
IMAGE 3
4.6.2.1. SEED YIELD STRESS INDEX 52
4.6.3. POD YIELD 53
4.6.4. SINGLE GRAIN MASS (SGM) 53
4.6.5. HARVEST INDEX (HI) 54
4.6.6. SHELLING OUT-TURN 55
4.7. RELATIONSHIPS AMONG TRAITS 56
4.7.1. RELATIONSHIPS AMONG GAS EXCHANGE TRAITS 56
4.7.2. RELATIONSHIPS AMONG GAS EXCHANGE, EVAPOTRANSPIRATION EFFICIENCY,
BIOMASS TRAITS, LEAF TEMPERATURE AND YIELD 56
5. DISCUSSION 59
5.1. GAS EXCHANGE 59
5.2. WATER USE, EVAPOTRANSPIRATION EFFICIENCY AND WATER-USE EFFICIENCY
63
5.3. GROWTH AND BIOMASS ALLOCATION 63
5.4. OTHER MORPHOPHYSIOLOGICAL TRAITS 66
5.4.1. LEAF RELATIVE WATER CONTENT AND LEAF CELL MEMBRANE STABILITY 66
5.4.2. LEAF SENESCENCE AND ABSCISSION 67
5.4.3. LEAF TEMPERATURE 69
5.5. YIELD AND YIELD COMPONENTS 70
6. CONCLUSION 76
7. LITERATURE CITED 78
APPENDIX 97 |
| any_adam_object | 1 |
| author | Huni, Samson 1968- |
| author_GND | (DE-588)143302221 |
| author_facet | Huni, Samson 1968- |
| author_role | aut |
| author_sort | Huni, Samson 1968- |
| author_variant | s h sh |
| building | Verbundindex |
| bvnumber | BV036971027 |
| classification_rvk | WN 1950 |
| ctrlnum | (OCoLC)712517419 (DE-599)DNB1009329804 |
| dewey-full | 633.33 |
| dewey-hundreds | 600 - Technology (Applied sciences) |
| dewey-ones | 633 - Field and plantation crops |
| dewey-raw | 633.33 |
| dewey-search | 633.33 |
| dewey-sort | 3633.33 |
| dewey-tens | 630 - Agriculture and related technologies |
| discipline | Biologie Agrar-/Forst-/Ernährungs-/Haushaltswissenschaft / Gartenbau |
| edition | 1. Aufl. |
| format | Thesis Book |
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| spelling | Huni, Samson 1968- Verfasser (DE-588)143302221 aut Gas exchange, evapotranspiration efficiency, morphophysiology and productivity of cowpeas under water deficit Samson Huni 1. Aufl. Göttingen Cuvillier 2010 XVIII, 111 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Zugl.: Berlin, Humboldt-Univ., Diss., 2010 Stressreaktion (DE-588)4138565-2 gnd rswk-swf Augenbohne (DE-588)4209340-5 gnd rswk-swf Trockenheit (DE-588)4186270-3 gnd rswk-swf Genotyp (DE-588)4601328-3 gnd rswk-swf Ertragsphysiologie (DE-588)4152916-9 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Augenbohne (DE-588)4209340-5 s Genotyp (DE-588)4601328-3 s Trockenheit (DE-588)4186270-3 s Stressreaktion (DE-588)4138565-2 s Ertragsphysiologie (DE-588)4152916-9 s DE-604 X:MVB text/html http://deposit.dnb.de/cgi-bin/dokserv?id=3646295&prov=M&dok_var=1&dok_ext=htm Inhaltstext DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=020885779&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Huni, Samson 1968- Gas exchange, evapotranspiration efficiency, morphophysiology and productivity of cowpeas under water deficit Stressreaktion (DE-588)4138565-2 gnd Augenbohne (DE-588)4209340-5 gnd Trockenheit (DE-588)4186270-3 gnd Genotyp (DE-588)4601328-3 gnd Ertragsphysiologie (DE-588)4152916-9 gnd |
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| title | Gas exchange, evapotranspiration efficiency, morphophysiology and productivity of cowpeas under water deficit |
| title_auth | Gas exchange, evapotranspiration efficiency, morphophysiology and productivity of cowpeas under water deficit |
| title_exact_search | Gas exchange, evapotranspiration efficiency, morphophysiology and productivity of cowpeas under water deficit |
| title_full | Gas exchange, evapotranspiration efficiency, morphophysiology and productivity of cowpeas under water deficit Samson Huni |
| title_fullStr | Gas exchange, evapotranspiration efficiency, morphophysiology and productivity of cowpeas under water deficit Samson Huni |
| title_full_unstemmed | Gas exchange, evapotranspiration efficiency, morphophysiology and productivity of cowpeas under water deficit Samson Huni |
| title_short | Gas exchange, evapotranspiration efficiency, morphophysiology and productivity of cowpeas under water deficit |
| title_sort | gas exchange evapotranspiration efficiency morphophysiology and productivity of cowpeas under water deficit |
| topic | Stressreaktion (DE-588)4138565-2 gnd Augenbohne (DE-588)4209340-5 gnd Trockenheit (DE-588)4186270-3 gnd Genotyp (DE-588)4601328-3 gnd Ertragsphysiologie (DE-588)4152916-9 gnd |
| topic_facet | Stressreaktion Augenbohne Trockenheit Genotyp Ertragsphysiologie Hochschulschrift |
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