Gravity and land plant evolution: experimental induction of lignification by simulated hypergravity and water stress.

Abstract

The ability to lignify cell walls has long been associated with the upright condition and sometimes massive body of the land plant, and gravitational regulation of lignification has been demonstrated by clinostat/centrifuge techniques. Previous centrifuge experiments were conducted using plants in the early stages of growth, hence already programmed for… (More)

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