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All Journal Kultivasi Soil REns
Endo, Kenji
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Agriculture, Biological Sciences & Forestry

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Growth and Yield of Strawberry Influenced by the Application of Phosphate Solubilizing Biofertilizer Fitriatin, Betty Natalie; Nakayama, Masakazu; Endo, Kenji; Hindersah, Reginawanti; Ariani, Nabila Syifa; Oktaviani, Meira
Soilrens Vol 23, No 1 (2025)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v23i1.66114

Abstract

Phosphorus availability in soil is one of the main limiting factors in the cultivation of horticultural crops, including strawberries. Although the total phosphorus content in the soil is relatively high, most of it is in a form that is not available to plants. Phosphate solubilizing microbes (PSM) play an important role in increasing the availability of phosphorus through the mechanism of dissolving insoluble phosphate compounds into forms that can be absorbed by plants.This study investigates the effect of phosphate solubilizing biofertilizer on the growth and yield of strawberry. Biofertilizer used phosphate solubilizing bacteria (Bacillus velezensis, Burkholderia mallei) and phosphate solubilizing fungi (Pseudallescheria boydii;  Talaromyces islandicus;  Penicillium janthinellum;  Trichoderma harzianum). The experimental design is randomized block design five treatments, with seven replications. Treatments are control, bio-encapsule of P-solubilizing bacteria, bioencapsule of P-solubilizing fungi, phosphate solubilizing bacteria in carrier base on peat, and phosphate solubilizing fungi in carrier base on peat. The results of the experiment showed that the application of phosphate solubilizing fungi with compost and peat carriers significantly improved vegetative growth parameters, including plant height, leaf number, and crown diameter. Although no significant differences were observed in fruit yield, PSB in microcapsule form showed promising results in enhancing fruit weight and size.
The effects of melatonin and potassium fertilizer on fruit yield and quality of ‘Haruhi’ strawberry under two light conditions Nurizqia, Ghaida Marsha; Farida, Farida; Hindersah, Reginawanti; Endo, Kenji; Budiarto, Rahmat; Mubarok, Syariful
Kultivasi Vol 25, No 2 (2026)
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/kultivasi.v25i2.70887

Abstract

Strawberry (Fragaria × ananassa) ‘Haruhi’ is a subtropical plant that is being cultivated in Indonesia. High temperatures in tropical climates could decrease strawberry yield and fruit quality. The purpose of this study was to evaluate the effect of light, melatonin, potassium fertilizers, and their interactions on the yield and fruit quality of ‘Haruhi’ strawberry. This research was conducted from April to June 2024 at the Bale Tatanen, Faculty of Agriculture, Universitas Padjadjaran. A split-plot design was used, with lighting treatment as the main plot and melatonin and potassium fertilizer treatments as the subplot. Lighting treatments consisted of supplemental LED lighting and natural light (non-LED). Subplot treatments included control, 100 μM melatonin, 2 g L⁻¹ potassium fertilizer, and their combination. The results showed that the combination of non-LED lighting with melatonin and potassium fertilizer produced the best fruit diameter and fruit weight. Under non-LED lighting, melatonin treatment resulted in the highest total soluble solids, while the control treatment produced the highest number of flowers. The interaction between LED lighting and melatonin resulted in the highest fruit number. Non-LED lighting alone also produced the best plant height, leaf number, and fruit length. Potassium fertilizer alone resulted in the highest leaf number, while the control treatment produced the highest plant height.
Co-Authors Ariani, Nabila Syifa Betty Natalie Fitriatin Farida Farida Nakayama, Masakazu Nurizqia, Ghaida Marsha Oktaviani, Meira Rahmat Budiarto Reginawanti Hindersah Syariful Mubarok