The purpose of this study is to determine the diversity of FMA from the rhizosphere of cassava, corn, taro, ginger, kale, pineapple which cultivated on the Sungai Asam peatland by using a corn plant host. This research was conducted at the Soil Biology and Biotechnology Laboratory of the Faculty of Agriculture and plastic houses in theUniversitas Tanjungpura Faculty of Agriculture's experimental garden. It took place from August 2, 2018 to October 21, 2018. The procedure was done by taking soil and root samples from cassava, corn, taro and peanut rhizosphere which cultivated on peat land. Sampling of soil and roots in each rhizosphere was carried out at 4 observation points as replication with a depth of 0-20 cm and a diameter of 20 cm and then put into a plastic bag and labeled. The soil samples taken are then used for microscopic analysis (extraction and identification) and soil analysis to determine their chemical properties. Root samples were colorized to determine the percentage of colonization, and corns were used to cultivate. Furthermore, extraction and identification of spores is carried out using the same technique as extraction and identification of soil samples. The variables observed included the percentage of root colonization, spore density, and spore diversity. The results showed that the FMA diversity of the 6 types of peat land utilization from the rhizosphere of cassava, corn, taro, ginger, pineapple and kale in the Sungai Asam village before and after trapping showed an increase in the number of spores, diversity of FMA−while the percentage value of root colonization showed variation. The results of observations on the number of spores showed an increase from around 36 - 52 per 50 g of soil increasing to 61 - 178 spores per 50 g of soil. The diversity of spore types from 10 types of Glomus, 1 type of Gigaspora and 4 types of Acaulospora to 13 types of Glomus, 3 types of Gigaspora and 5 types of Acaulospora. The highest percentage of infected roots before trapping ranged from 48.89% - 78.48% and after trapping ranged from 78.89% - 94.80%.


Arbuscular Mycorrhiza Fungi, Diversity, Peat lands


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