Pemanfaatan Fungi Mikoriza Arbuskula Indigenous Tanah Salin pada Beberapa Varietas Kedelai di Lahan Salin Kecamatan Percut Sei Tuan Sumatera Utara

Abstract

The Use of the Indigenous Saline Soil Mikoriza Arbuslaila Fungi in Several Soybean Varieties on Saline Land, Percut Sei Tuan Subdistrict, Sumatera Utara. The yield of soybeans grown on saline land is still very low, and there is no soybean variety grown in saline land can give optimum yield. The administration of indigenous Mikoriza Arbuslaila Fungi is expected to be able to overcome the problem. The purpose of this study wds to evaluate the potential of the Indigenous Saline Soil Mikoriza Arbuslq.rla Fungi in increasing the growth and production of several soybean vartettes on saline land. This study was .conducted in Plastic House from June 20lI to January 2012 using Factorial Complete random Design consisting of twofoctors and three repeats. Thefirstfactor consisted of three levels of inoculums treatment (without inoculums; inoculums from the land location with DHL 7-8 dS/m; inoculums from the land location with DHL 5-6 dS/m). The second factor consisted of three levels of planting three soybean varieties (Grobogan; Detam 2; and Anjasmoro). The result of this study showed that the application of the tnoculums of Indigenous Saline Soil Mikoriza Arbuslatla Fungi from DHL 5-6 dS/m and DHL 7-8 dS/m locations was not able to increase the growth and production of soybeans planted on the saline land with DHL 5-6 dS/m. Vartety of Grobogan could grow better compared to varieties of Anjasmoro and Detam 2 on saline land. The variety of Grobogan had the highest percentage of filled pods (88.j1%o) and the highest weight of I0 seeds (1.679). The interaction between the application of the addition of the inoculums of Mikoriza Arbuslaila Fungifrom DHL 5-6 dS/m and the varteties of Grobogan and Anjasmoro resulted in the highest percentage of colonization (8j%o), while the lowest percentage of colonization was 72% which was the result of interaction between control treatment and variety of Detam 2