Home › Vol 6, No 2 (2017): December  ›  Abstract ›  View Pdf

Productivity and Fruit Quality of Red-fleshed Dragon Fruit, Hylocereus polyrhizus (Britton and Rose) under Jasaan Series

Nelda R. Gonzaga, Apolinario B. Gonzaga, Jr., Renante D. Taylaran, Rainier T. Pajinag, Rosalito A. Quirino
Red-fleshed dragon fruit (Hylocereus polyrhizus Britton and Rose) is a newly introduced cacti crop species in Claveria, Misamis Oriental, Northern Mindanao with a lot of potentials for fresh, processed, medicinal and industrial uses. The crop agronomy including its nutrient management is still not very known under the local agroecosystem. This study aimed to determine the growth, fruit quality, and economic efficiency of growing red-fleshed dragon fruit. Specifically, it sought to determine the NPK levels suitable under the Claveria conditions. Different levels of nitrogen (N), phosphorus (P), and potassium (K) [T1 - 120-120- 120 (N-P2O5 -K2O), T2-120- 60-60, T3- 60-120- 60 and T4-60- 60-120] serving as treatments were established under Jasaan series. Results showed that the individual fruit weight was enhanced by the application of more N (T2- 120-60- 60) relative to other nutrient combinations. Balanced application of nutrients (T1) resulted in the highest fruit yield (22 t/ha), and the highest fruit quality (0Brix) was measured at T3. Economic efficiency also indicates less application of N and P with more of K (T4) resulted in higher Return on Investment (ROI). This study may provide information to the local crop growers on the nutritional requirement of the fruit as the baseline to further improve its agronomy under the local conditions in Claveria.

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