Aplikasi Trichoderma spp. pada Seedball Benih Cempedak di Lahan Reklamasi Tambang Bauksit Kalimantan Barat

Abstract

Mining activities have the impact of environmental damage, including loss of forest vegetation, flora and fauna and soil layers. Post-mining land improvement can be done by revegetation activities by planting cempedak (Artocarpus integer) plants. The use of seedball media and additional doses of Trichoderma spp. is expected to improve land rehabilitation and stimulate the growth of cempedak plants. The purpose of this study was to analyze the effect of planting method using seedball media and to analyze the effect of various concentrations of biological agents Trichoderma spp. on the growth power of cempedak seeds in post-bauxite mining land. This study used a completely randomized design (CRD) with five replications. The factor observed was the dose of Trichoderma spp. and planting methods (seedball media and direct planting). Treatment dose of Trichoderma spp. which was applied to the planting method using seedball media had a significant effect on the diameter of the cempedak seedlings. The K treatment showed the best response to the parameters of germination rate, germination value, diameter, and number of leaves of cempedak seedlings. The I treatment showed the best response to the cempedak seedling height parameter. The higher the dose of Trichoderma spp. which was applied to seedball media made the growth parameters of diameter, height, and number of leaves of cempedak seedlings tend to increase. The K treatment showed the best response on parameters of germination rate, germination value, diameter, and number of leaves of cempedak seedlings. The ! treatment showed the best response to the cempedak seedling height parameter. The higher the dose of Trichoderma spp. which was applied to seedball media made the growth parameters of diameter, height, and number of leaves of cempedak seedlings tend to increase.