Table 5.

Chlorophyll concentration measurements (µmol chlorophyll/m² leaf area), two hours per day and over two campaigns (2021 and 2022), under mechanical pruning (P) and no pruning (NP), in a commercial vineyard in central Spain (Yepes, Toledo).

	9:00 Solar Time			12:00 Solar Time
Date	P Chlorophyll µmol Chlorophyll/m2 Leaf Area	NP Chlorophyll µmol Chlorophyll/m2 Leaf Area		P Chlorophyll µmol Chlorophyll/m2 Leaf Area	NP Chlorophyll µmol Chlorophyll/m2 Leaf Area
25 June 2021	15.00	17.05	ns	14.05	15.65	ns
5 July 2021	16.05	17.18	ns	19.75	14.65	*
20 July 2021	17.18	15.80	ns	20.40	17.08	ns
30 July 2021	14.45	14.75	ns	18.23	15.38	*
19 August 2021	18.98	16.32	ns	18.45	15.61	*
Average 2021	16.33	16.22	ns	18.18	15.67	ns
30 June 2022	14.9	14.7	ns	14.5	14.9	ns
15 July 2022	16.2	14.9	*	16.7	15.8	ns
5 August 2022	15.8	15.0	ns	15.6	15.5	ns
12 August 2022	14.1	14.2	ns	14.7	14.7	ns
Average 2022	15.3	14.7	ns	15.4	15.2	ns

ns: non-significant and * significant at p < 0.05.