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The research aims to explore how different levels of Meloidogyne incognita inoculum affect the physiological and biochemical responses in green gram.

Physiological, Biochemical and Morphological Responses of Green Gram to Varying Inoculum Levels of Meloidogyne incognita

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The research aims to explore how different levels of Meloidogyne incognita inoculum affect the physiological and biochemical responses in green gram.
Utilized green gram cv. SML-668 across varying inoculum levels of Meloidogyne incognita (100-3000 J2/kg soil).
Measured root galling, disease severity, and nematode development at different inoculum levels.
Assessed biochemical changes, including chlorophylls, carotenoids, and protein levels alongside physiological metrics like photosynthesis and transpiration rates.
Root galling increased significantly with higher inoculum levels, peaking at 3000 J2/plant.
Photosynthesis rates declined by 6-32% with increasing nematode counts, paired with increased transpiration and stomatal conductance.
Major reductions in chlorophylls (28-56%), seed protein (24-44%), and growth indices (41-74%) were noted at 3000 J2/plant.

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Observational study reveals how varying inoculum levels of Meloidogyne incognita affects green gram yield, indicating substantial plant stress.

Ahmad et al. (2025) studied this question.

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Observational study reveals how varying inoculum levels of Meloidogyne incognita affects green gram yield, indicating substantial plant stress.