Trees growing out of thin air instead of the ground enable botanists at the newly opened Sarah Racine Laboratory in Tel Aviv University’s Botanical Garden to observe the structure and development of roots.
According to Yoav Waisel, director of the Garden, this is important because root physiology is a neglected field. It is neglected apparently because it is hard to study roots without up-ending the tree.
The two-story lab, which resembles an ordinary greenhouse, has a variety of trees — olive, avocado, palms, cottonwood — and some vegetable plants growing out of holes in the floor. Their roots hang freely inside an
The chamber is dark but has two observation windows for public viewing. The laboratory was donated by Emmanuel and Sarah Racine.
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