Yield response of ten varieties of sweet potato (Ipomoea batatas L.) cultivated on dryland in rainy season


  • Akbar Saitama PPs FP, Universitas Brawijaya
  • Agung Nugroho Brawijaya University
  • Eko Widaryanto Brawijaya University




dry land, rainy season, sweet potato, varieties, yield


Sweet potato is a tuber commodity and one of alternative crops in Indonesia. The demand of sweet potato in Indonesia continues to increase. However, the supply of sweet potatoes for consumption estimated is 2020 in Indonesia will be deficit. Low production of sweet potato is basically due to the decrease of land area as cultivation production and also sweet potatoes have a low yield when planted in rainy season. Based on the high utilization of sweet potato make demand for this commodities continues to increase.Therefore, several strategies to increase crop yields of sweet potato needs to be done. This study aimed to elucidate various sweet potato varieties that can cultivated on dry land in the rainy season. This study was conducted from November 2016 until March 2017 using a randomized block design with treatments of  ten varieties of sweet potato consisting of (V1) Papua Solossa variety, (V2) Jago variety, (V3) Kidal variety, (V4) Antin-1variety, (V5) Sari variety, (V6) Sawentar variety, (V7) Beta-2variety, (V8) Antin-2variety, (V9) Antin-3 variety, (V10) Beta-1variety. The results showed different responses of each variety.The vegetative growth was high as shown by the LAI value of 7.23 at 90 days after planting. In conclusion, the sweet potato leaves had to be prune to boost the agronomic yield. Yields of  ten varieties of sweet potato crops ranged from 8.86 to 44.76 t/ha. Some varieties such as Sari, Papua Salosa and Beta-2 varieties showed high yield although they were planted in moorland conditions in the rainy season.

Author Biographies

Akbar Saitama, PPs FP, Universitas Brawijaya


Agung Nugroho, Brawijaya University


Eko Widaryanto, Brawijaya University



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How to Cite

Saitama, A., Nugroho, A., & Widaryanto, E. (2017). Yield response of ten varieties of sweet potato (Ipomoea batatas L.) cultivated on dryland in rainy season. Journal of Degraded and Mining Lands Management, 4(4), 919–926. https://doi.org/10.15243/jdmlm.2017.044.919



Research Article