ALL meanings of abscission zone
ab·scis·sion zone
A a - noun abscission zone the zone at the base of a leaf petiole, fruit stalk, or branch in which the abscission layer develops. 1
- noun abscission zone (botany) The area in a plant's leaf, stem, or fruit stalk, where the abscission layer if formed along with weakened sclerenchyma, absent collenchyma, and dense cytoplasm. 0