Skip to main content

Table 5 The combination effect of mineral oil, potassium sulfate, and calcium sulfate on cluster characteristic and yield components of Sultana grapevine

From: Effects of foliar spray of agricultural grade mineral oil in springtime, in combination with potassium and calcium sulfates on the phenological and biophysical indices of clusters, and foliar nutritional levels in grapevine (Vitis vinifera L.) cv. Sultana (Id. Thompson seedless, Sultanina)

Treatments Cluster number
(no.)
Cluster weight
(g)
Cluster length
(cm)
Berry weight
(g)
Berry length
(cm)
2017 2018 2017 2018 2017 2018 2017 2018 2017 2018
V0K0C0 73.3 ab 72.4 b 163.5 cd 164.9 d 18.9 b 18.4 b 0.84 d 0.76 d 1.46 c 1.48 b
V0K1C0 67.8 c 69.4 bc 196.2 a 195.3 ab 21.6 a 20.3 ab 1.25 a 1.28 a 1.71 a 1.65 a
V0K0C1 71.8 abc 75.1 a 171.2 175.6 cd 20.2 ab 21.5 a 0.99 bc 0.87 cd 1.58 bc 1.54 ab
V0K1C1 67.6 c 67.7 c 191.6 a 200. 6 a 19.4 b 21.5 a 1.16 ab 0.95 c 1.47 bc 1.44 b
V1K0C0 75.9 a 76.3 a 153.5e 152.9e 18.2 b 19.0 b 0.84 d 0.92 c 1.44 c 1.41 bc
V1K1C0 70.3 abc 71.4 b 180.9 b 182.3 c 21.2 a 22.2 a 1.05 b 1.15 ab 1.54 bc 1.35 c
V1K0C1 74.7 ab 76.5 a 158.5ed 157.9 de 21.8 a 21.9 a 0.89 cd 0.92 c 1.55 bc 1.32 c
V1K1C1 69.5 bc 72.1 b 187.8 ab 192.6 b 21.9 a 19.0 b 1.11 b 1.10 b 1.57 bc 1.48 b
  1. The means with common letters in each column according to Duncan's test are not significantly different (P < 0.05). V0 = 0.00% mineral oil, V1 = 1.00% mineral oil; K0 = 0.00% K2SO4, K1 = 3.00% K2SO4; C0 = 0.00% CaSO4, C1 = 2.00% CaSO4