Yield Characteristics and Stability of Sugarcane Mutant in Three-Location Trials
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Bululawang (BL) has been cultivated annually under the increasing environmental pressure caused by global climate change. This condition often decreases the genetic ability and yields of agricultural products. Meanwhile, point 2.4 SDGs, specifically in sugarcane, can be achieved through a breeding program to improve and increase the genetic quality of several varieties of the plant in Indonesia. Mutation breeding to produce superior species has also been carried out by the Plant Breeding Laboratory, University of Jember, and this helped to increase the national sugarcane production. Therefore, this study aims to obtain new high-yielding varieties using the BL as the parent plant. The mutation breeding was carried out using the EMS mutagen, and this led to the production of three selected genotypes, namely M1.4, M2.4, and M3.4, which were further developed and tested for multilocation. The three selected locations for this study include Sukorambi-Jember, Arjasa-Jember, and Pakem-Bondowoso Districts. Based on the LSI test, M1.4, M2.4, and M3.4 showed the highest agronomic performance and yield in all locations compared to BL. M1.4 and M3.4 were identified to have high yield stability in the multi-location trials, hence, they were recommended as new stable superior genotypes. Therefore, M3.4 was declared as a site-specific adaptive species, which can be planted in the Arjasa and Sukorambi areas, based on the stability tests of Finlay and Wikinson, Eberhart, Russell, and AMMI.
- LSP-Jurnal Ilmiah Dosen