V.L. SWAPNA AND K. AMMANI
Abstract
The developmental stages of AM fungi was observed in two medicinal plants namely Coleus forskohlii and Ocimum sanctum. The time interval of observation is for 25, 35, 45, 55 and 65 days in Coleus forskohlii and Ocimum sanctum for 20, 30, 40-50 and 60 days. As the number of days increased the percentage of colonization, percentage of external hyphae, internal hyphae and arbuscules had also increased.