DUCKING AS A MEANS OF RESISTANCE TO HERBIVORY IN TALL GOLDENROD, SOLIDAGO ALTISSIMA

Abstract
This interesting paper reports a new form of plant behaviour. Some goldenrod plants "duck", that is, bend downward at the growing tip, and, thus, avoid attack by flies that lay eggs in the apical meristem. The Marx brothers once famously asked: "Why a duck?" Wise and Abrahamson show that some Solidago altissima goldenrod begin to grow in a candy-cane shape (an inverted "J") at the time of year when two species of gall-forming flies...

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