Large-sized soybean seeds is desirable trait in tempeh industry to fulfill the community’s
preference. Shifting preferences of soybean farmers and tempeh industries from seed medium
into a large soybean seeded (14 g / 100 seeds), become an important main reason to improve the
genetic potential of soybean varieties in Indonesia. Due to the progressively increase of soybean
in Indonesia [17], therefore the improvement of soybean genetic potential is may not only in
terms of seed size, but also in aspect of yield