EFFECT OF DIFFERENT INOCULUM LEVELS OF MELOIDOGYNE INCOGNITA RACE 3 ON THE GROWTH OF CHICKPEA

Z. A. Siddiqui, I. Mahmood

Abstract


The growth and nodulation of chickpea (Cicer arietinum) plants progressively decreased as the inoculum level of Meloidogyne incognita race 3 increased. Significant reduction in dry shoot weight occurred with an inoculum of 2000 or more second stage juveniles of M. incognita. Peroxidase activity and protein contents were high in M. incognita inoculated plants compared with uninoculated controls. Maximum peroxidase activity was observed when plants were inoculated with 2000 juveniles and was correlated with economic threshold level.

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