APS_Jan2016

J ournal of the A merican P omological S ociety

12

(%) pH

TA x

CP1 z 27.20 3.17 34.99 10.32 6.02 8.27 b w 0.39 b 42.9 25.30 1.65 14.57 a 0.70 3.59

CP2 26.95 3.28 31.99 11.01 6.51 15.00 ab 0.77 ab 50.17 32.44 1.62 13.31 ab 0.79 3.48 CP3 30.16 2.99 39.25 11.80 6.31 16.79 b 1.04 a 49.76 30.15 1.58 12.75 b 0.75 3.49 CP1 70.40 2.96 47.52 8.48 6.70 15.85 1.05 84.28 49.37 2.00 14.22 0.07 3.33

CP2 86.23 3.20 44.15 8.28 7.33 23.71 1.56 77.47 42.99 1.88 13.58 0.70 3.25

CP3 76.71 2.34 41.88 7.84 6.86 16.56 1.14 68.50 43.04 1.75 13.02 0.73 3.21

Solids

Soluble

(°Brix)

x TA: Titratable acidity w Means followed by different letters within a column indicate significant differences as determined by Tukey’s HSD at α =0.05.

(g)

Berry

weight

cluster

Berries/

(g)

weight

Cluster

vine

(Kg)/

Yield

/vine

Clusters

(µmol•m - 2 •s- 1 ) (µmol•m - 2 •s -1 )

harvest

Pn after

Pn y before

harvest

(cm)

Shoot

length

(cm 2 ) LAI z

area

Leaf

Table 4. Effects of cluster thinning with one (CP1), two (CP2) or three (CP3) clusters per shoot on vegetative growth, yield parameters Table 4: Effects of cluster thinning with one (CP1), two (CP2) or three (CP3) clusters per shoot on vegetative growth, yield parameters and fruit quality of ‘Blanc Du Boisʼ vines in 2013 and 2014. z LAI: Leaf area index y Pn: Photosynthesis rate x TA: Titratable acidity and fruit quality of ‘Blanc Du Bois’ in 2013 and 2014. Year Treatments 2013 2014 y Pn: Photosynthesis rate

z LAI: Leaf area index w Means followed by different letters within a column indicate significant differences as determined by Tukey's HSD at =0.05.