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Table 3

Impact of late pruning on agronomical and enological variables of Pinot Noir grapevines as a function of pruning system. Values corresponding to percent variation of late pruning vs respective traditional cane and spur winter pruning.

Variable Cane pruning (Exp. 1) Spur pruning (Exp. 2)
Shoots/vine −9.1 −3.5
Total LA −12.1 −4.1
LA/Y +58 +81.2
Yield −35.2 −47.1
Shoot fruitfulness −26.7 −48.2
Berry wt. −13.9 −10.7
TSS −7.5 −20.8
TA +40.3 +89.5
pH −5.7 −11.6
Malate +64.3 +163.7
Tartrate +8.8 +17.1

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