Abstract

Abstract This study aimed to determine the effect of mycorrhiza-biofertilizer application on the growth and yield performance of several promising lines of black rice intercropped with mungbean in an aerobic irrigation system. The experiment was arranged according to a Split Plot Design, with three blocks and two treatment factors: black rice promising lines (G3, G6, and G9) as the main plots and mycorrhiza biofertilizers (M0 = without and M1 = with mycorrhiza biofertilizer application) as the subplots. Data were analyzed using ANOVA and Tukey’s HSD at a 5% significance level. The results indicated that the significant interaction of the treatment factors (G*M) affected the number of tillers at 63 days after seeding (DAS) and the weight of 100 grains. Applying mycorrhiza biofertilizer increased the tiller number in the G9 line and improved the weight of 100 filled grains, but only in the G6 and G9 lines. Additionally, mycorrhiza biofertilizers significantly increased the number of panicles per clump, the weight of 100 grains, and the number of filled grains per panicle. However, it decreased the percentage of unfilled grains, thereby enhancing the dry grain yield of black rice per clump.

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