Table 2. Lignin-thioglycolic acid (LTGA) extracted from bark of peach pruning wounds 14 days after treatment with various substances.
TreatmentLTGA (mg/g)yLTGA (Percent of control)
Fungal wall extract (FWE)31.0 az+ 81.3
Cellobiose (0.3 M)29.2 a+ 70.8
Plant wall extract (PWE) + FWE23.2 ab+ 35.6
Ca2+ (15 M)22.8 ab+ 33:4
Glutathione (3.25 mM)20.6 ab+ 20.7
PWE20.3 ab+ 18.7
Chitosan + Ca2+ (1 5 M)20.3 ab+ 18.6
Ca2+ (150 M)18.8 ab+ 9.7
Control (wrapped)17.1 bc0.0
Ethrel (7.0 mM)15.1 bcd- 11.8
Chitosan (20 g/ml)15.1 bcd- 11.8
GA3 + IAA (100 M + 100 M)14.9 bcd- 12.5
Abscissic acid (100 M)14.8 bcd- 13.3
Lac Balsam11.0 cd- 35.7
White latex paint8.6 d- 49.6
Control (nonwrapped)3.2 d- 81.2
  • y Each value is the mean of nine observations except for control (treated with water and wrapped with parafilm (n = 48) and control (nonwrapped, exposed to the environment) (n = 15).

  • z Letters denote significant differences determined with single degree-of-freedom orthogonal comparisons (P < 0.05).