ScienceDaily (June 14, 2010) —
http://www.sciencedaily.com/releases/20 ... 104551.htm
.Slugs are every gardener's enemy: They can destroy overnight, what he has sown and cultivated. But snails don't like all plants in the same way -- they shun moss. Why is that so? This question was already posed by the botanist and founder of Chemical Ecology, Ernst Stahl, at the end of the 19th century in Jena.
More than a hundred years later chemists from Friedrich-Schiller-University Jena (Germany) found a possible answer: "Moss is capable of building up chemical compounds that protect them from enemies," says Prof. Dr. Georg Pohnert of Jena University. Ernst Stahl had come to the same conclusion after tests. (continued)