Brinjal (Solanum melongena Linn.) is a significant fruit vegetable cultivated primarily in tropical and subtropical regions, with India being a major producer excluding high-altitude areas. This crop faces substantial biotic stresses, notably from over 140 species of insect and non-insect pests, which significantly reduce yields. The major pests include the shoot and fruit sborer, Leucinodes orbonalis Guenee (Lepidoptera: Crambidae); whitefly, Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae); jassids, Amarasca biguttula (Ishida) (Hemiptera: Cicadellidae); aphids, Aphis gossypii (Glover) (Hemiptera: Aphididae); brinjal mite, Tetranychus cinnabarinus (Boisduval) (Acarina: Tetranychidae); and root-knot nematodes, Meloidogyne spp. (Tylenchida: Heteroderidae). The extent of damage varies seasonally and is influenced by environmental conditions. Farmers predominantly resort to chemical pesticides for pest management, which can lead to adverse effects such as pesticide residues, increased production costs, environmental degradation and resurgence of pests. To mitigate these issues, resistant cultivars are recommended as a sustainable pest management strategy. Resistant varieties can help control pests in an economically and environmentally sound manner. Recent studies have identified the genotype NDB-23-16 as strongly resistant to L. orbonalis, exhibiting only 9.23 % shoot damage and 9.53 % fruit damage. This genotype is valuable for breeding programs, being compatible with eggplant and has available introgression lines (ILs) for further development. The pest rating was assessed using a standardized rating scale, highlighting the potential of NDB-23-16 as a valuable source of resistance in brinjal improvement programs.
Priya et al. (Mon,) studied this question.
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