Leaf plastochron index

Leaf plastocron index is a measure of plant leaf age based on morphological development (the plastochron). It is useful in studying plant development requiring destructive measurement on multiple individuals. By measuring a metric against morphological age, instead of chronological time, one can reduce variations occurring between individuals, thus allowing greater focus on variations due to development.[1]

  1. ^ Meicenheimer, R. D. (2014). The plastochron index: Still useful after nearly six decades. American Journal of Botany, 101(11), 1821-1835.