Abstract
The present study to investigated that the arbuscular mycorrhizal fungal root colonization and spore population in some medicinal at Kondrangi hills Eastern Ghats of Dindugul district, Tamilnadu, India. Root and rhizosphere soil samples were collected during the month of August, 2017-March, 2018 from the surfaceto 30 cm depth as well as pH were also recorded. Totally 32 plant species belonging to 21 families and 30 genera were identified. The present result showed arbuscular mycorrhizal spore population in the rhizosphere soil and root colonization of all the plant species. A total of 20 AM fungal species belonging to 7genera and 2 different orders were recorded from the rhizosphere soil samples of this study region. The Glomus was dominant had seen in rhizosphere soil samples in all the medicinal plant species. The maximum spore population was found in the rhizosphere soil samples of Phyllanthus amarus (440 /100 g soil) which belongs to the family Euphorbiaceae and the lowest spore population was observed in the Tephrosia purpurea (110 /100g soil) belongs to Fabaceae. family. The highest 87% AM fungal infection was found in roots of Plumbago zeylanica belongs to the family Plumbaginaceae. While the lowest 24% AM fungal association was found in the root of Striga angustifolia belongs to the family Scrophulariaceae.
Highlights
The maximum spore population was found in the rhizosphere soil samples of Phyllanthus amarus (440 /100 g soil) which belongs to the family Euphorbiaceae and the lowest spore population was observed in the Tephrosia purpurea (110 /100g soil) belongs to Fabaceae. family
In the present result reveals that totally 32 medicinal plant species belongs to 21 families were examined AM fungal colonization and spore population at kondrangi hills, Dindugul district, Tamilnadu (Fig. 2,3)
The present findings that the rhizosphere soil samples of kondrangi hills, the maximum spore population was observed in the plant species of Phyllanthus amarus (440/100g of soil) belongs to Euphorbiaceae and minimum was observed in Tephrosia purpurea (110/100g of soil) belongs to Fabaceae
Summary
There are at least 1.5 million, but probably as many as 3–5 million species, of which only about 100,000 have been described formally. Fungi play an important role in the rhizosphere; one among them Arbuscular Mycorrhizal symbiotic association with plant and enhances the absorption of water and nutrients, especially in phosphorous. It increases the tolerance of plants to biotic and abiotic stresses, as pathogens, drought and high salinity [1]. The Arbuscular Mycorrhizal plays a critical role in the functional and successional processes of plant communities as soil formation, management and nutrient cycling [2, 3]
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