Fig. 6From: Growth phenology in Pinus halepensis Mill.: apical shoot bud content and shoot elongationMean cumulative length and standard deviation of growth units according to their rank and mean cumulative length of annual shoot (gray line) and for tricyclic annual shoots (a) above and tetracyclic annual shoots (b) during year 2013. Each growth unit is represented by: a circle for GU1, a triangle for GU2, a straight cross for GU3 below and a cross for GU4Back to article page