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ABSTRACT: Investigations on the screening of twelve brinjal germplasms namely, BD 7320, BD 7328, BD 9952, BD 10154, BD 10158, BARI Begun 1, BARI Begun 4, BARI Begun 5, BARI Begun 6, BARI Begun 7, BARI Begun 8 and BARI Begun 9 were conducted against shoot and fruit borer at the experimental plots of Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, Bangladesh. The abundance and infestation of the shoot and fruit borer as well as its effect on the reproductive performance of the germplasms were studied. Infestation levels of the shoot and fruit borer on the germplasms differed significantly with different date of the season. The abundance of shoot and fruit borer larvae in the fruits of the germplasms varied significantly and the germplasms BD 9952, BARI Begun 6 and BARI Begun 4 showed statistically similar and the lowest result. BARI Begun 6 depicted the lowest level of infestation compared to other germplasms. Considering the infestation level, the germplasms BD 9952 and BARI Begun 6 were categorized as resistant. The studied germplasms showed variations in the duration of the reproductive growth stages, yield contributing characters of the fruits, yield and seed weight. The germplasm BD 7320 showed the shortest durations for maturity of fruits for marketing and seed production. The largest fruit, the highest yield and seed weight were found from the germplasms BARI Begun 6, BD 9952 and BARI Begun 4, respectively.
Keywords: Abundance, infestation, Solanum melongena, Leucinodes orbonalis, yield
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