Table 2. Effect of moderate drought and T. evansi infestation on plant defense proteins in tomato leaves at 4 and 10 days post infestation.

	Non-infested		Infested		ANOVA (p<0.05)
	Control	Drought	Control	Drought
4 Days Post Infestation
Protease inhibitors (% Inhibition)
Papain	48±2ab	64±2a	31±5c	45±5b	D;I
Cathepsin B	49±3	62±6	63±8	66±4	-
Trypsin	40±8	44±2	49±8	43±2	-
Chymotrypsin	61±7a	45±6b	64±2a	63±4a	I
Oxidative enzymes (specific activity)
Polyphenol oxidases1	1.1±0.1b	2.1±0.1a	2.5±0.2a	2.6±0.3a	D;I;D*I
Peroxidases2	2.7±0.2b	5±0.5a	6.8±1.1a	5.1±0.2a	I; D*I
10 Days Post Infestation
Protease inhibitors (%Inhibition)
Papain	57±3c	81±3a	71±4b	86±3a	D;I
Cathepsin B	40±5c	60±7b	63±6b	83±5a	D;I
Trypsin	37±3ab	54±4a	31±8b	52±5a	D
Chymotrypsin	69±4	65±6	74±6	77±4	-
Oxidative enzymes (specific activity)
Polyphenol oxidases1	2.2±0.1b	2.5±0.4b	3.7±0.5a	3±0.4ab	I
Peroxidases2	4.3±0.5b	4±0.5b	8.1±0.9a	5.8±0.6b	D; I

⁽¹⁾ PPO: nmol hydrolyzed Cathecol/ mg Protein*min

⁽²⁾ POD: nmol hydrolyzed Guaiacol/ mg Protein*min.

Data are mean ± SE. D (drought) and I (mites infestation) indicate significant factors in the Two-Way ANOVA. Different lower case letters within rows indicates significant differences (Newman-Keuls test at p<0.05).