Hitting the seed with force against a hard surface to break seed dormancy is called_______________?
Correct answer: A. Impaction
- A. Impaction
- B. Abrasion
- C. Stratification
- D. Scarification
Explanation
Impaction breaks dormancy by striking or hitting a seed against a hard surface, which can crack or weaken the seed coat. Scarification is the broader term for weakening the seed coat by rubbing, scratching or other abrasion.
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