What are kinds of frost injuries?
Correct answer: A. Both (a) & (b)
- A. Both (a) & (b)
- B. Frost cracks: to the very much low temperature, the cracks appear at the basal portion of old trees
- C. Frost rings: are dark brownish lines within the growth rings as a result of injury to the cambium due to the heavy frost
- D. None of these
Explanation
Frost rings are dark bands formed after frost damages the cambium, while frost cracks are longitudinal cracks commonly appearing near the base of older trees after severe cold. Therefore both are recognized forms of frost injury.
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