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Pakistan Journal of Biological Sciences
Year: 2002  |  Volume: 5  |  Issue: 8  |  Page No.: 825 - 829

Chlorophyll Contents of Brinjal Plants Influencing the Resistance and Susceptibility to Brinjal Shoot and Fruit Borer, Leucinodes orbonalis Guenee

M. Mofazzel Hossain, M. Shahjahan, M. Mosaddeque Hossain and M.N. Bari    

Abstract: The highest chlorophyll `a` content was recorded in the variety BLO 101 (0.74) and was found significantly different from other varieties/lines except BLO 114 and khotkhotia-1. The lowest amount of chlorophyll `a` content was observed in the variety Nayankajal (0.43), which was also significantly different from that of other varieties/lines. The chlorophyll `a` content was negatively correlated (-0.146) with brinjal shoot and fruit borer (BSFB) infestation. The highest chlorophyll `b` content was recorded at 70 DAT. The amount of chlorophyll `b` varied significantly among the varieties/lines at different ages. The lowest chlorophyll `b` content was recorded at 40 DAT (0.26) and it was statistically identical with that of 100 DAT (0.30). The average highest amount of chlorophyll `b` was estimated in the variety Dhohazari-1 (0.45), which was significantly different from that of other varieties/lines except BLO 45. The lowest amount of chlorophyll `b` was obtained in the variety Laffa (0.25), which was significantly different from that of all other varieties/lines. The highest amount of total chlorophyll contents was estimated in the variety BLO 114 (1.109) which was significantly different from that of other varieties/lines. The average lowest amount of total chlorophyll was estimated in the variety Nayankajal (0.83) with the highest infestation.

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