A. Frost rings: are dark brownish lines within the growth rings as a result of injury to the cambium due to the heavy frost
B. Frost cracks: to the very much low temperature, the cracks appear at the basal portion of old trees
C. Both (a) & (b)
D. None of these
Correct Answer: Both (a) & (b) ✔
Last Updated: May 24, 2024