Good-Cooking - Farmer's Market Salad

Ingredients

• 1 medium zucchini
• 1 teaspoon fresh lemon juice
• 1/8 teaspoon table salt
• 1 piece corn on the cob, shucked
• 1 medium tomato, coarsely chopped
• 1 tablespoon red onion, coarsely chopped
• 3 tablespoons low fat vinaigrette, divided
• 1 small wheat pita, without pockets