Papers

VARIETAL RESPONSE OF SOME SELECTIVE WINTER BRINJALS AGAINST BRINJAL SHOOT AND FRUIT BORER (Pages : 6 - 10)

M.A.R. CHOUDHURY, M.M. RAHMAN, M.Z. ALAM, M.M. HOSSAIN AND Q.A. KHALIQ

An experiment was conducted to observe ten brinjal varieties namely BARI F1 Begun-4, Getco Hybrid F1 Begun, Metal Hybrid F1 Begun, BARI Begun-1, BARI Begun-6, BARI Begun-8, BARI Begun-9, BARI Begun-10, local genotypes Green ball and Singnath against brinjal shoot and fruit borer (BSFB) Leucinodes orbonalis Guenee and to determine their comparative level of resistance against BSFB and fruit-bearing performance under a natural photoperiod in winter season. The yield contributing characters viz., fruit length, fruit diameter, number of fruit plant-1 and weight fruit-1, shoot and fruit infestation and yield were recorded. The highest fruit length was recorded in BARI Begun-8, (26.23 cm) and the lowest was observed in local genotype Green ball (7.50 cm). Fruit diameter varied from 3.50 to 8.82 cm. significantly the highest number of fruit plant-1 was harvested from BARI Begun-1 (25.56) and the lowest number from BARI Begun-6 (7.84). The highest number of healthy and infested fruit plot-1 was obtained from BARI Begun-1 (306.67) and BARI Begun-8 (118.66), respectively and the lowest number of healthy and infested fruit plot-1 was recorded from BARI Begun-9 (83.68) and BARI Begun-6 (48.04), respectively. Weight per fruit ranged from 60.30 to 180.13 g. The highest healthy and infested fruits yield plot-1 was harvested from BARI Begun-1 (24.57 kg) and BARI Begun-8 (12.09 kg) and the lowest healthy and infested fruits yield plot-1 was harvested from BARI Begun-9 (9.79 kg) and Green ball (4.21 kg), respectively. The highest number of shoot infestation plant-1 was observed in BARI Begun-8 (0.65) and the lowest number in BARI Begun-1 (0.31). The BARI Begun-1 showed the rational level of resistance and remarkable fruit-bearing performance against BSFB. Download


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