Pinus wallichiana (Blue pine) period of ripening of seed is:
Correct answer: B. September - November
- A. June - July
- B. September - November
- C. February - April
- D. None of these
Explanation
Blue pine seed ripens in the autumn, with September to November being the usual collection period. Cone maturity at this time helps distinguish it from chir pine, which ripens in April-May.
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