Abstract
Rice production around the world is seriously at risk from drought stress. Rice under drought stress has lower productivity and has growth inhibition because to poor nutrient and water uptake. This study aimed to determine how upland rice under drought stress responded morphologically to antioxidant administration during the vegetative stage. A randomized block design with two components and three replications served as the basis for the experiment. The first factor is drought stress with a field capacity level of 80% field capacity (FC), 60% and 40% FC. The second factor is the foliar application of antioxidants consisting of spraying without antioxidants; ascorbic acid 1 mM; salicylic acid 1 mM; 0.5 mM ascorbic acid + 0.5 mM salicylic acid. Parameters observed were plant height at 4-8 WAP, dry root weight and root length. The results showed that drought stress reduced the number of leaves, root dry weight and root length. Antioxidant application increased plant height, dry root weight and root length.
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