Author(s): Mohamad Ashraf Ganai, Bushra Rehman and Mansoor A Siddiqui

Abstract: Plants accumulate proline as defence molecules against biotic as well as abiotic stresses. In the present investigation infection of okra plants by Meloidogvne incognita resulted in the accumulation of proline in infected plants than healthy uninfected plants. Proline accumulation was maintained high in infected plants, with maximum increase between 3rd and 4th week post inoculation, most probably due to egg production. Moreover the roots of infected plants accumulated higher concentration of free proline than leaves. Similarly the concentration of free proline was higher in galls bearing eggmasses than ungalled portions of the infected roots.

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