Abstract
The arbuscular mycorrhizal fungi ( AMF ) with plants able to increase the capacity of plants to absorb nutrients and water from the soil. Recently, research was indicated that AMF hyphae containing glomalin as a glycoprotein that serves to unify the dispersed soil particles. The content of glomalin in soil is positively correlated with soil aggregate stability. The research potential of AMF species indigenous of Ultisol Darmasraya District of West Sumatra and glomalin production in experimental pots of sterile sand medium has been carried out. The purpose of this study was to determine the diversity of AMF species on Ultisol and to seeking indigenous AMF isolates that had the best glomalin production capability. AMF spores were isolated and identified from the rhizosphere soil of corn in Ultisol. AMF species that had been identified experimentally were tested in culture medium pot of sand and zeolite (w / w 1:1) using corn crops. The results found nine of the AMF species indigenous of Ultisol Darmasraya, namely Acaulospora scrobiculata, Glomus etunicatum, Glomus luteum, Glomus mosseae, Glomus verruculosum, Glomus versiforme, Scutellospora gregaria, Scutellospora heterogama and Gigaspora sp. AMF species that showed better colonization ability in corn was G. luteum, G. verruculosum and G. versiforme. All three species produced glomalin significantly higher than the other species, i.e. 1.29 mg g-1; 1.17 mg g-1; 1.15 mg g-1, respectively. [How to Cite: Eddiwal, A Saidi, I Lenin, EF Husin and A Rasyidin. 2014. Potential Selection of Arbuscular Mycorrhizal Fungi (AMF) Indigenous Ultisols through the Production of Glomalin. J Trop Soils 19: 181-189. Doi: 10.5400/jts.2014.19.3.181]
Highlights
Land Capability Evaluation of Upper Sekampung Watersheds
Pada sisi on site indikator kerusakan daerah aliran sungai (DAS) yang dapat digunakan antara lain adalah erosi, sedimentasi, fluktuasi debit sungai, pendapatan masyarakat di dalamnya cukup tinggi, teknologi yang diterapkan tidak menimbulkan kerusakan, dan teknologi tersebut acceptable dan dan produktivitas lahan
Makalah disampaikan pada Seminar dalam rangka Peringatan Satu Abad Lembaga Penelitian Tanah Indonesia pada 28-29 Juni 2005 di Kampus Penelitian Pertanian Cimanggu
Summary
Irwan Sukri Banuwa, Naik Sinukaban, Suria Darma Tarigan, dan Dudung Darusman Makalah diterima 21 September 2007 / Disetujui 31 Januari 2008 ABSTRACT. Darusman): Land degradation is a serious problem in the Upper Sekampung Watersheds This is because the farmers cultivated in steep land to coffee crops without in adequate soil and water conservation practices. DAS secara rasional untuk mendapatkan produksi maksimum dalam waktu yang tidak terbatas dan menekan bahaya kerusakan (degradasi lahan) kemampuan serta agroteknologi konservasi tanah dan air, telah menyebabkan kerusakan/degradasi DAS Sekampung Hulu (on site) dan pada bagian seminimal mungkin, serta diperoleh water yield yang merata sepanjang tahun. Berdasarkan kondisi yang ada, maka pengelolaan DAS Sekampung Hulu harus dilakukan dengan memadukan kepentingan konservasi tanah dan air dengan kepentingan produksi pertanian, melalui sistem pertanian konservasi. Melalui penerapan sistem pertanian konservasi dapat diharapkan usahatani lahan kering dapat lestari (sustainable) (Sinukaban, 1991, 1994, dan 2005). Hal ini sangat penting dilakukan karena menurut Sinukaban et al (1989), tidak ada agroteknologi yang dapat mencegah erosi dan memungkinkan tanaman dapat tumbuh dengan baik, kalau kondisi tanahnya tidak cocok untuk pertanian. Penelitian ini bertujuan untuk mengevaluasi kemampuan lahan DAS Sekampung Hulu dan menentukan areal yang masih memungkinkan untuk usaha budidaya pertanian
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