Drought-Induced Responses in Maize under Different Vapor Pressure Deficit Conditions
Abstract
:1. Introduction
2. Results
2.1. Leaf Traits
2.2. Gas Exchange
2.3. Enzyme Activities
2.4. Foliar ABA
2.5. Expression of Transcription Factors
3. Discussion
4. Materials and Methods
4.1. Plant Material and Growth Conditions
4.2. Leaf Area, Weight, and Number
4.3. Gas Exchange
4.4. Analysis of Foliar ABA Content
4.5. Enzyme Extraction and Enzyme Activity Assays
4.6. RNA Extraction and Real Time Quantitative PCR
4.7. Statistical Analysis
Supplementary Materials
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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45% Soil Water Content | |||
---|---|---|---|
% of Decrease | Low VPD | Medium VPD | HighVPD |
Leaf Area | 30.62 | 30.40 | 43.97 |
Leaf Wt. | 39.69 | 44.86 | 57.93 |
Leaf Number | 20.00 | 23.33 | 11.12 |
Stomatal Conductance | 15.63 | 31.61 | 14.53 |
Photosynthesis | 9.07 | 12.14 | 14.50 |
35% Soil Water Content | |||
Leaf Area | 37.07 | 54.40 | 66.38 |
Leaf Wt. | 42.96 | 61.05 | 75.86 |
Leaf Number | 28.01 | 20.03 | 11.12 |
Stomatal Conductance | 21.41 | 33.78 | 23.84 |
Photosynthesis | 15.38 | 19.02 | 26.16 |
45% Soil Water Content | |||
% of Increase | Low VPD | Medium VPD | High VPD |
Water Use Efficiency | 41.35 | 32.87 | 4.04 |
ABA | 47.70 | 39.31 | 29.83 |
PEPC | 0.00 | 21.05 | 52.00 |
MDH | 15.38 | 18.52 | 31.82 |
NADP-ME | 2.00 | 28.57 | 42.86 |
PPDK | 38.89 | 47.80 | 51.65 |
35% Soil Water Content | |||
Water Use Efficiency | 75.00 | 45.74 | 60.00 |
ABA | 90.00 | 88.34 | 83.33 |
PEPC | 14.55 | 39.47 | 140.00 |
MDH | 92.31 | 48.15 | 72.73 |
NADP-ME | 30.00 | 65.71 | 114.29 |
PPDK | 108.33 | 105.77 | 133.36 |
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Devi, M.J.; Reddy, V.R.; Timlin, D. Drought-Induced Responses in Maize under Different Vapor Pressure Deficit Conditions. Plants 2022, 11, 2771. https://doi.org/10.3390/plants11202771
Devi MJ, Reddy VR, Timlin D. Drought-Induced Responses in Maize under Different Vapor Pressure Deficit Conditions. Plants. 2022; 11(20):2771. https://doi.org/10.3390/plants11202771
Chicago/Turabian StyleDevi, Mura Jyostna, Vangimalla R. Reddy, and Dennis Timlin. 2022. "Drought-Induced Responses in Maize under Different Vapor Pressure Deficit Conditions" Plants 11, no. 20: 2771. https://doi.org/10.3390/plants11202771