In this unit one fruit set was left in each node on the main shoot.
The side shoots were pruned afterone (a), two (b) and three (c) leaves.
Photosynthetically active radiation (PAR) was measured at 12 a.m. - 1
p.m. on sunny days, using a linear quantum sensor LI-COR above the plants
(100%), and at three levels of plant profile: the main embranchment, fruiting,
and flowering.