How Rootstocks Impact the Scion Vigour and Vine Performance of Vitis vinifera L. cv. Tempranillo

Figure 3

Principal component analysis biplots of macro- and micronutrients within the. (a) Petiole and the (b) leaf blade of tempranillo grafted onto the rootstocks 1103P (■), 161-49C (▲), 41B (▲), and R-110 (●) at flowering for the experimental years 2018, 2019, and 2020.

(a)

(b)