Abstract
Groundnut is an important edible oil crop plant whose quality and yield are greatly affected by biotic and abiotic stress. The process ofmechanisms ofrecovery fromstress are also critical to its productivity, but are currently poorly characterized. The present investigation was carried out to understand the ability of different elicitors (piperine, reserpine and b-sitosterol) to induce resistance against stress in groundnut. The chlorophyll content in groundnut leaves was measured using SPAD chlorophyll meter following the seed treatment, foliar application and micro-injection of phytochemicals. The SCMR (SPAD chlorophyll meter reading) of phytochemical-treated plants was found to be more in comparison with the untreated plants. All the three phytochemicals were found to be effective in increasing the chlorophyll content in groundnut leaves. MaximumSCMR (42.14) was observed in plants treated with piperine through foliar application method.
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