Prior to planting, peach varieties are grafted onto rootstocks that have been selected for characteristics such as tree size, fruitfulness, and disease resistance.
(peach varieties; are grafted; onto rootstocks; T:Prior to planting) (rootstocks; have been selected; for characteristics such as tree size, fruitfulness, and disease resistance)
peach varieties rootstocks
are grafted have been selected
onto rootstocks T:Prior to planting
for characteristics such as tree size, fruitfulness, and disease resistance