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Mesophyll collapse is a physiological disorder of
EXPLANATION
Grading, post-harvest physiological and biochemical changes, disorders- chilling injury in vegetables, influence of pre-harvest practices and other factors affecting post- harvest losses, packaging house operations, commodity pre-treatments-chemicals, wax
- Mesophyll Collapse:
- physiological disorder primarily affecting Grapefruit (Citrus paradisi) and sweet orange foliage.
- Cause: Occurs under conditions of high ambient temperature, low relative humidity, and dry wind when transpiration rate exceeds root water uptake, leading to localized water deficit and cellular collapse of the internal spongy mesophyll tissue, producing chlorotic translucent spots that turn necrotic.
- Correct Option: Option 3 (Grapefruit).
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