Abstract
Cowpea (Vigna unguiculata (L.) Walp) has the potential as soybean substitution for tempeh. The utilization of cowpeas is still low due to the limited knowledge and ability of the community in processing it. This resulted on the low interest in producing it even though it can be harvested in 70–80 day After Planting (DAP). This study aims to study the morphology and physiology characteristics of cowpea affecting the production of pods and seeds and the influence of altitude on the characters of Cowpea. This research was conducted in two different altitudes (Dramaga site/210 m asl and Ciomas site/527 m asl), in Bogor, West Java. Five varieties of Cowpea were used in the study. The results showed that cowpea grown in higher altitude produced smaller leaves than in lower altitude. The activity of the source increases at higher altitude, but due to high rainfall and cloud cover, plant accumulation of dry matter is still low. Cowpea produces longer pods and more pods per plant in higher altitude (574 m asl), hence producing higher seed weight per hectare. The productivity of the varieties used in this experiment is still lower than the average yields listed in the varietal descriptions.
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This research was supported by Ministry of research, technology and higher education (BOPTN) 2016number 514/SP2H/LT/DRPM/II/2016.
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Purnamawati, H., Kartika, J.G., Zandroto, F.V., Iska, F.R. (2018). Evaluation of Source and Sink Capacity of Five Cowpea Varieties (Vigna unguiculata (L.) Walp) Grown in Two Different Altitudes. In: Sukartiko, A., Nuringtyas, T., Marliana, S., Isnansetyo, A. (eds) Proceeding of the 2nd International Conference on Tropical Agriculture. Springer, Cham. https://doi.org/10.1007/978-3-319-97553-5_17
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