Download PhD Thesis - Fiva

Table of content
ACKNOWLEDGEMENTS .................................................................................................I
TABLE OF CONTENT ..................................................................................................... II
RESUMÉ ............................................................................................................................IV
SUMMARY...................................................................................................................... VII
LIST OF ORIGINAL PUBLICATIONS ......................................................................... X
1. GENERAL INTRODUCTION.................................................................................... 1
1.1. RATIONALE ............................................................................................................... 1
1.2. OBJECTIVES............................................................................................................... 2
2. GENERAL LITERATURE REVIEW .................................................................... 3
2.1. THE CROP – SOYBEAN................................................................................................ 3
2.1.1. Crop origin and cultivation history................................................................... 3
2.1.2. Botanical characteristics................................................................................... 3
2.1.3. Growth and development................................................................................... 4
2.1.4. A flower and pod staging system around anthesis ............................................ 7
2.1.5. Plant water use .................................................................................................. 9
2.2. YIELD DETERMINATION IN SOYBEAN....................................................................... 10
2.2.1. Yield components............................................................................................. 10
2.2.2. Effect of anthesis-drought stress on pod set .................................................... 10
2.3. REGULATION OF CROP REPRODUCTIVE ABORTION UNDER ANTHESIS-DROUGHT
STRESS............................................................................................................................... 11
2.3.1. Carbohydrate supply − source activity............................................................ 12
2.3.2. Carbohydrate utilization − sink capacity ........................................................ 13
2.3.3. Phytohormones ................................................................................................ 16
2.3.4. Long-distance signals...................................................................................... 19
3. A BRIEF SUMMARY OF THE EXPERIMENTAL STUDIES IN SOYBEAN .. 24
3.1. MATERIALS AND METHODS ..................................................................................... 24
3.2. RESULTS AND DISCUSSION ...................................................................................... 25
II