<![CDATA[Mycorrhizal fungi are a form of mutualistic symbiosis between fungi and plant roots, including mangrove api-api that grows on mangrove area. This study aims to determine the diversity of mycorrhizal fungi on mangrove api-api (Avicennia officinalis L.) This study used a combination of wet filtering and centrifugation techniques for spore isolation. The results showed that the types of mycorrhizal fungi found in mangrove area were Scutellospora, Gigaspora, Acaulospora Glomus sp1, Glomus sp2, Glomus sp3 and Glomus sp4. The diversity of mycorrhizal fungi in Peniti area was 0,07105 and Sungai Purun was 0,47280. the distribution of species is uneven, there are species that dominate and conditions are unstable. Spore density of 103 spores /100 gr soil and level of root infection percentage with low class (class 1) was 0,24% in Peniti dan 0,18 % in Purun River.]]>
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