Kebutuhan akan varietas kentang untuk industri olahan keripik kentang terus meningkat, namun ketersediaan varietas yang menghasilkan umbi yang memenuhi kriteria untuk keripik kentang masih terbatas. Penelitian ini bertujuan melakukan karakterisasi kualitas umbi kentang dari beberapa genotipe unggul koleksi IPB yang sesuai bagi kebutuhan industri olahan keripik kentang. Karakter kualitas tersebut meliputi diameter umbi, berat jenis, bahan kering, dan organoleptik keripik. Penelitian dilaksanakan pada Januari-Mei 2020 di Desa Margamulya, Kecamatan Cikajang, Kabupaten Garut. Sebanyak delapan genotipe yang terdiri atas PKHT-2019-010, PKHT-2019-011, PKHT-2019-012, PKHT-2019-013, PKHT-2019-014, PKHT-2019-015, PKHT-2019-016, PKHT-2019-017 dan dua varietas pembanding yaitu Medians dan Intan. Rancangan percobaan yang digunakan pada penelitian ini adalah rancangan kelompok lengkap teracak faktor tunggal yaitu genotipe dengan 4 ulangan. Penelitian dimulai dari persiapan lahan, penanaman, pemeliharaan, dan pemanenan, serta pengolahan keripik. Hasil penelitian menunjukkan bahwa genotipe PKHT-2019-010, PKHT-2019-012, dan PKHT-2019-017 memiliki potensi sebagai genotipe yang dapat dikembangkan sebagai varietas kentang untuk bahan baku industri keripik kentang berdasarkan berat jenis, kandungan gula, bentuk, penampilan dan warna keripik yang baik. Genotipe PKHT-2019-015 memiliki produktivitas, bobot umbi dan diameter umbi yang sangat baik dan memenuhi kriteria industri, namun memiliki kadar gula yang tinggi sehingga lebih cocok dikembangkan sebagai kentang sayur. Namun demikian masih diperlukan penelitian lanjutan untuk meningkatkan bobot dan ukuran ketiga genotipe tersebut untuk mencapai standard industri. Kata kunci: genotipe, kerenyahan, produktivitas, kandungan gula
The decline in the productivity of shallots occurred in almost all areas of shallot production centres in Indonesia. One of the factors in the decline in productivity is that farmers are still dependent on tuber seeds that are produced by themselves from generation to generation without any risk of carrying degenerative diseases from previous shallots. Another problem is that the cost of providing seeds is quite high, reaching 40% of the total production cost, with an average requirement of 1-1.5 tons/hectare. Planting shallots using TSS (True Shallot Seed) is an alternative solution, in terms of seed requirements, only 3-5 kg/ha is needed. However, an initial activity is needed in the form of the production of shallot planting material before it is transferred to the land. This study aims to conduct a technoeconomic analysis of shallot planting material production from TSS with LCAC (Low Cost Aeroponic Chamber) technology. Techno-economic analysis is carried out by calculating the basic costs for producing shallot seeds, and economic analysis related to NPV, IRR, Net BC Ratio and Payback Period. This study uses a scenario design of production scales of 200, 500, 1000 trays, and 1 million seeds on a production schedule of 3 cycles per year and 6 cycles per year. The NPV calculation yields profits ranging from 4,750,650 - 822,448,953 IDR, IRR 9.87 - 65.40% above the discount rate used of 6%. Net B/C ratio 1.12 - 2.24 and initial investment will return to investors in the range of 5.23 to 1.28 years after production starts.
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