Abstract
The study on the relations between environmental factors and AM fungal variation was carried out in the rhizosphere of P.nigrum. The root colonization of AM fungi was observed from 21.10 to 88.33 %. It was recorded as maximum during September 2001 and minimum during March 2000. The total AMF spore number varied from 12.00 to 90.30 g−1 soil in P. nigrum. The maximum and minimum spore numbers were recorded during the study periods of March and August respectively. AMF spores belonging to five species were recorded and identified as Acaulospora sp., Gigaspora sp., Glomus aggregatum, G.fasciculatum, and G.geosporum. Temperature was significantly and positively correlated to EC but negatively to RH. Likewise, rainfall was significantly correlated to soil nitrogen, %RLC, %RLH, and %RLV. Rainfall had significantly negative correlation with AM fungal spore density. Soil nitrogen was observed to have a significantly positive correlation with %RLA and %RLV. Spore population had significantly negative correlation to %RLC, %RLH, and %RLA.
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Dhanapal, K. (2013). Dynamics of AM Fungi Association and Spore Density in Black Pepper (Piper nigrum L.). In: Velu, R. (eds) Microbiological Research In Agroecosystem Management. Springer, India. https://doi.org/10.1007/978-81-322-1087-0_9
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