Table 6.

Influence of film-forming polymers on height and leaf area of evergreen oak under field conditions after applications of 6% salt (NaCl) at week 1 and months 1 and 3 after polymer application.

TreatmentWeek 1Month 1Month 3
Height (m)Leaf area (cm2) × 102HeightLeaf area (cm2) × 102HeightLeaf area (cm2) × 102
Control1.0021.90.9521.71.0623.1
Nu Film P 1%0.98ns24.0ns0.96ns23.1ns0.89ns22.0ns
Nu Film P 2%1.03ns23.7ns0.94ns20.6ns1.05ns19.3ns
Spray Gard 1%1.08ns22.6ns1.04ns21.6ns0.97ns21.9ns
Spray Gard 2%0.99ns21.5ns0.99ns22.3ns1.04ns22.3ns
Bond 1%1.30z31.1z1.36z29.2z1.14ns26.5ns
Bond 2%1.23z30.8z1.23z28.9z1.19ns28.0ns
Crop Spray 1%1.27z30.4z0.98ns25.1ns0.96ns21.3ns
Crop Spray 2%1.24z27.9z1.00ns21.4ns1.04ns18.7ns
LSD0.166  5.290.170  4.480.164  5.40
  • All values mean of five trees.

  • zSignificantly different from controls according to least significant difference (LSD) at P < 0.05.

  • ns = not significant different from control value.