Abstract:
Identification of the diversity and yield components of sweetpotato (Ipomoea batatas L. Lam.) germplasm is indispensable in plant breeding program. Efforts to increase the production of sweetpotato in Papua have not been supported by plant breeding programs to increase yield. On the other hand, the potential germplasm resources of West Papua in the development of sweet potato with superior properties is still possible. This study aimed to observe the yield of several local Papua sweetpotato accessions. The study was conducted in Kampung Sindang Jaya, Oransbari District, South Manokwari District from June to November 2017. The study used 18 local Papua sweetpotato accessions and 2 varieties of Papua Salosa and Papua Patipi as a comparison. The experiment was laid out in a randomized block design using 3 replications. The results showed that tuber number, tuber weight per plant, sweetness level, tuber length and tuber diameter were significantly different between the local accessions and the control cultivars (Papua Salosa and Papua Patipi). There was a significant positive correlation of tuber length, tuber diameter and harvest index on tuber weight per plant, starch content to sweetness content, harvest index on diameter of tuber and weight of economic tuber, economic tuber weight and harvest index on the quantity of economic tubers