Potential Yield of Soybean Lines Are Higher Than Their Parent Indonesian Lowland Popular Variety

Heru Kuswantoro


Breeding materials should be evaluated under a number of different environments, to ensure their genetic value. The objective of the research was to study the potential yield of soybean lines compared to the parent in two environments. A total of 15 genotypes (including one Indonesian lowland popular variety, ‘Anjasmoro’) were grown in Jambegede (Entisol-Inceptisol association) and Ngale (Vertisol) Research Stations in June-September 2011. The design was a randomized completely blocks design with three replications. The results showed that G × E interaction highly affected the grain yield causing different rank for the genotypes in different environment. Tgm/Anj-795 and Tgm/Anj-790 lines consistently yielded the highest grain in both environments. Tgm/Anj-790 also had large seed size. Tgm/Anj-789 and Tgm/Anj-796 consistently showed the earliest days to maturity in both environments. ‘Anjasmoro’ had longer days to maturity but lower grain yield. Tgm/Anj-795 and Tgm/Anj-790 lines had potentially high yield stability that need to be tested further in many different environments to gain knowledge of their actual yield stability.

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DOI: https://doi.org/10.5539/ijb.v6n2p49

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