Five days after the cessation of irrigation (indicated as S1, andrepresenting the drought stress), the plants lost all turgidity and anemergency irrigation of 50 mL water per plant was administered(S2). A further five days after the emergency irrigation, a period ofrecovery was established with a watering regime of 200 mL waterper plant per day (R). The experimental scheme made use of 13replica plants for each test and was completely randomized.