One thing fruit, flowers and leaves have in common is abscission. This word describes the way a plant gets rid of a part it no longer wants. Think of it like a dog or other animal that sheds its hair.

Trees create zones that “scissor” the leaf from the tree Shedding leaves starts when the tree forms an “abscission zone” where the leaf attaches to the twig or branch. The abscission layer ...

In other columns I’ve written about abscission, the botanical process that makes deciduous trees drop their dead leaves. But when something interferes with the natural process of a tree’s cell ...

As winter approaches, ethylene levels rise as auxin levels drop. The ethylene acts upon a thin layer of cells near the base of the leaf called the abscission zone, triggering the production of enzymes ...

Wild cherry and other spring flowering trees are covered with white or pink blossoms. This has been a great spring for their ...

Kwak and his team looked into abscission in plants, the process by which plants shed leaves, flowers or fruit. “Unlike animal cells, plant cells are glued together by their walls,” says Kwak.

A forest ecologist, Dr. Greene studies pollination, seed production, seed abscission and dispersal, and germination, as well as broader issues in forestry and disturbance ecology. He is funded by ...

Industry partner Noggins Corner Farm. www.nogginsfarm.ca 2008-2012 The Physiological Mechanisms of Needle Abscission in Root-Detached Balsam Fir (together with R. Lada, and C. Caldwell). NSERC CRD.

Cytokinesis occurs after nuclear division and is the process that divides the cytoplasm to give rise to two new cells, each with one set of chromosomes. Cytokinesis begins with the contraction of ...

Professor Lada’s research is focused on Seed, Plant, Tree, Stress and Ecophysiology of various horticultural ecosystems (vegetables, fruits, siliviculture, medicinal aromatic plants, spices and ...

Dubrovsky, J.G., Ewing, N.N. 2000. The Promoter of Tomato Plasma Membrane H+-ATPase LHA2 Is Auxin-Responsive in Roots and Shoots and Drives Expression During Lateral Root Initiation and in Abscission ...