Adaptations of Three Cash Crops to Climate Change

Abstract

Climate change is likely to lead to adaptations among important crop species. Elevational gradients can be used to illustrate the effects of climate change on crop adaptation patterns. The research aimed to determine adaptation patterns in crop species across an elevational (and therefore temperature and humidity) gradient. A factorial design was applied with two factors within a simple Randomized Complete Block Design, wherein the primary factor was elevation (10 – 1,000 m). Three crop species (long bean, common bean, and winged bean) were used as test species. Growth rate and flower number were used as adaptation parameters. The results indicated that these three cash crop species showed different adaptation patterns. Common bean showed the greatest vegetative growth at approximately 600 m in elevation, long bean at 400 m in elevation, and winged bean at 10 m in elevation. The results of this study indicate that the three tested agricultural crops have different adaptation patterns, and these results was the first finding to be published in Indonesia. For agriculture practices, it can be recommended that planting of these cash crops be adapted to the elevation of the planting area.

Effects of Light Environments on Leaf Traits and Phenotypic Plasticity of Canna indica

“…On the other hand, C. indica grew under low light, produced higher stomatal density on adaxial surfaces, thus maximizing light captures. Significant effects of temperature fluctuation on growth were reported on long bean (Vigna sinensis), common bean (Phaseolus vulgaris), and winged bean (Psophocarpus tetragonolobus) (Sudiana et al, 2020). Based on biomass allocation and plastic phenotypic response to light, we calculated that the phenotypic plasticity index for C. indica, was 0.23 (Table 3).…”