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@article{190314,
        author = {Kuldeep Meena and Dr. Sumita Kachwwa},
        title = {Impact of flea beetle (Phyllotreta Cruciferae) on growth and development of mustard (brassica juncea) with reference to nanomaterial},
        journal = {International Journal of Innovative Research in Technology},
        year = {2026},
        volume = {12},
        number = {8},
        pages = {4524-4530},
        issn = {2349-6002},
        url = {https://ijirt.org/article?manuscript=190314},
        abstract = {Flea beetle (Phyllotreta cruciferae) infestation severely limits the productivity of mustard (Brassica juncea), an essential oilseed crop, especially in the early stages of growth. Objective: The purpose of the study was to assess how natural flea beetle infestation affected mustard leaf damage, growth metrics, and seed yield in field settings. Method: The observational study was conducted in a field-based study during the rabi season with a sample of 75 mustard plants being selected in 5 fields. The incidence of flea beetles was obtained by means of sweep net sampling and ocular counts. Percentage Leaf Damage Index (PLDI) was employed to measure the amount of leaf damage and the plants with least and highest infestation compared to measure the level of growth reduction and yield loss. Result: PLDI increased to 26.67 percent in infested plants with the highest level of infestations to 6.67 percent in least infested plants. Under severe infestations the height of the plant, the number of leaves and leaf area index reduced by 25.4 percent, 34.4 percent and 35.7 percent respectively. The seed production was reduced by 38.2 in severely affected plants. Conclusion: Mustard growth and yield are significantly reduced by flea beetle infestation, highlighting the necessity for efficient and long-lasting pest management techniques.},
        keywords = {},
        month = {January},
        }