GAB_2024v15n6

2 Physiological Responses to Drought During Flower	25
2.1 Water relations and osmotic adjustment	25
2.2 Stomatal conductance and transpiration	25
2.3 Photosynthetic activity and chlorophyll fluore	25
2.4 Reproductive development and yield components	25
3 Biochemical and Molecular Responses to Drought S	28
3.1 Antioxidant defense mechanisms	28
3.2 Hormonal regulation	28
3.3 Gene expression and signal transduction pathwa	28
4 Screening Methods for Drought Tolerant Varieties	29
4.1 Field screening techniques for identifying dro	29
4.2 Controlled environment screening	29
4.3 Physiological and biochemical markers for effi	30
5 Case Studies and Successful Breeding Programs	30
5.1 Case studies of drought tolerant varieties	30
5.2 Breeding strategies for enhancing drought tole	30
6 Challenges and Future Directions	31
6.1 Challenges in drought tolerance research	31
6.2 Future research directions	31
7 Concluding Remarks	32

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