Abstract
The Cilembu sweet potato is the popular food crop from specific location in Sumedang, West Java. Sweetness degree is one of key indicators for this commodity. Sweetness degree relate to sugar content. Currently, Cilembu sweet potato variety was grown by farmers is Rancing. They were local culture on cultivation and storage of Cilembu sweet potato. Study of Cilembu sweet potato based on land characteristics on cultivation location and sweetness quality along storage periods between different cultivation locations is limited. The objectives of this study were to determined influence of land characteristics of cultivation locations and storage periods on sweetness quality of Cilembu sweet potato. Samples were taken from harvested tubers from Cilembu, Rancakalong, Sukasari, Cicalengka, and Jalaksana cultivation location using purposive sampling method. Sweetness degree was measured by total sugar content using luff schoorl method. The experiment design was used split plot design. The experiment room controlled at the same condition. The storage periods was observed at 0, 1, 2, 3, and 4 weeks after harvest. The role of land characteristics on the sweetness quality of Cilembu sweet potato was used analysis of regression and t test for equality of means. The result showed that storage periods was significantly affect the sweetness quality of Cilembu sweet potato, while the cultivation locations did not significant influence on sweetness quality. They were not interaction between both factors. The chemical and physical soil properties, elevation and climate properties affect differences of sweetness quality of Cilembu sweet potato on different cultivation locations.
Highlights
Sumberdaya lahan merupakan faktor biofisik lingkungan yang berperan penting dalam menunjang perkembangan wilayah, terutama sebagai penyangga berbagai aspek kehidupan diantaranya untuk tanaman
Sweetness degree relate to sugar content
Cilembu sweet potato variety was grown by farmers is Rancing
Summary
Sumberdaya lahan merupakan faktor biofisik lingkungan yang berperan penting dalam menunjang perkembangan wilayah, terutama sebagai penyangga berbagai aspek kehidupan diantaranya untuk tanaman. Studi terdahulu mengungkapkan bahwa diantara lokasi budidaya yang berbeda terdapat keragaman kadar gula ubi jalar Cilembu pada varietas Nirkum (Tohidin, 2006). Onggo (2006) mengungkapkan bahwa lama penyimpanan hingga 3 minggu berperan terhadap peningkatan kadar gula ubi jalar Cilembu varietas Nirkum. Diperlukan analisis peran lokasi budidaya terhadap keragaman keragaan kadar gula total, sebagai indikator utama kualitas ubi jalar Cilembu. Penelitian ini bertujuan mengetahui kadar gula dan kadar gula total pada beberapa periode lama penyimpanan, serta mengeksplorasi peran keragaman karakteristik lahan di lokasi budidaya terhadap kualitas kemanisan ubi jalar Cilembu varietas Rancing. Penelitian ini diharapkan dapat memberikan informasi yang berguna untuk mengetahui peran karakteristik lahan di lokasi budidaya terhadap kadar gula total ubi jalar Cilembu, khususnya varietas Rancing serta memberikan penjelasan ilmiah terhadap fenomena yang terjadi
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Schedule a callMore From: Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management)
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