Morpho-Physiological of Local Varieties of Black Rice Using Organic Elicitors Made From Foliage

Abstract Planting local varieties of black rice requires organic nutrients in the form of elicitors to increase growth and production yields. Elicitor is a mixture of natural ingredients that can stimulate growth and increase production. This study aims to determine the concentration and intervals of elicitor application on the growth and yield of local black rice variety Cempo. The method used was a Complete Randomized Block Design consisting of two factors and three replications. The first factor is the elicitors concentration of the (0; 1.5; 2.5; 3.75 ml/L). The second factor is the application intervals (4; 7; 10 once a days). Growth analysis observations include leaf area index, typical leaf weight, relative growth rate, net assimilation rate, and chlorophyll content. Observation of results number of productive tillers and weight of clump grain. The results showed the elicitors concentration of 1.25 ml/L with an application intervals of 10 days increased net assimilation rate. The elicitors concentration of 1.25 ml/L with an intervals of 7 days increased chlorophyll A.