Drought Escape Phenology
nounPronunciation: /ˈdraʊt ɪˈskeɪp fɪˈnɒlədʒi/
The developmental strategy where plants accelerate their life cycle to complete reproductive stages before soil water availability becomes critically depleted. This temporal avoidance mechanism allows plants to maintain fitness despite water limitation by shifting phenological events earlier in the growing season.
Plain English
Plants finish growing and making seeds faster to avoid running out of water.
Etymology & History
Usage
"Drought escape phenology enabled early-maturing sorghum cultivars to maintain grain yields during the severe 2012 Midwest drought."
Style guide notes: Use 'drought escape phenology' as a discrete adaptive strategy distinct from general drought avoidance mechanisms.
Also known as
Contrasted with
Related Terms
Frequently Asked Questions
How does drought escape phenology differ from drought tolerance?
Escape shifts timing to avoid stress; tolerance endures stress through physiological adjustments without changing phenology.
Which crops commonly use drought escape phenology?
Chickpea, groundnut, and early-maturing cereal varieties typically employ this strategy in water-limited regions.
Why Test Candidates on This?
Commonly assessed in crop physiology and climate adaptation examinations for understanding temporal stress-avoidance strategies.
Required skill level: Mid