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Annals of Advanced Agricultural Sciences
AS > Volume 3, Number 4, November 2019

Heat Tolerance and Insect, Diseases Reaction in Eggplant Hybrids during the Summer Season in Bangladesh

Download PDF  (350.9 KB)PP. 39-44,  Pub. Date:December 19, 2019
DOI: 10.22606/as.2019.34001

Author(s)
Akm Quamruzzaman, M. Nazim Uddin, Ferdouse Islam, M. A. Z. Chowdhury
Affiliation(s)
Olericulture Division, Horticulture Research Centre, Bangladesh Agricultural Research Institute, Gazipur, Bangladesh
Olericulture Division, Horticulture Research Centre, Bangladesh Agricultural Research Institute, Gazipur, Bangladesh
Olericulture Division, Horticulture Research Centre, Bangladesh Agricultural Research Institute, Gazipur, Bangladesh
Bangladesh Agricultural Research Council, Farmgate, Dhaka-1207, Bangladesh
Abstract
A study was evaluated with 20 F1’s lines/ variety at Olericulture Division, Horticulture Research Centre (HRC), Bangladesh Agricultural Research Institute, Gazipur during the summer season of 2017 to develop new high yielding hybrids having tolerance to high temperature and insect [eggplant fruit and shoot borer (EFSB)], disease [bacterial wilt and phomopsis blight]. The concern lines/ variety varied significantly for their response to all characters (P<0.05). The hybrid F1 14X216 required minimum 90.33 days to first harvest. Highest marketable fruit number was found by F1 14x 233 (66.92). Heavier sized fruit was obtained by F1 19X5 98.11 g), which was identical with F1 5X8 (95.17 g), F1 5X203 (95.17 g). The plant height ranges at first and last harvest was 70.00 - 97.88 days and 92.89 - 137.11 days, respectively. The fruit infection by EFSB was 7.40 - 15.40 %, while lowest in F1 5X8 (7.40 %), which was identical to F1 13X11 (7.45 %). Zero percent bacterial wilt and phomopsis blight diseases incidence was observed in F1 1X216, F1 1X233, F1 14X233, F1 19X203, F1 19X216 in field level. The yield range of eggplant hybrids was 24.68- 41.49 t/ha. The highest fruit yield was produced from F1 14X233 (41.39 t/ha), followed by F1 14X216 (35.70 t/ha), F1 1X233 (34.08 t/ha), F1 19X216 (33.80 t/ha), F1 5X233 (33.75 t/ha), F1 5X8 (31.54 t/ha), and lowest yield were recorded from F1 14X5 (24.68 t/ha). Though the yield was higher in the hybrids F1 14X233, F1 14X216, F1 1X233, F1 19X216, F1 5X233, F1 5X8, but considering attractive fruit shape and fruit colour, earliness, tolerance to high temperature, fruit infection by EFSB, bacterial wilt and phomopsis blight infestation, the hybrids F1 1X233, F1 5X8, F1 13X11, F1 14X233, F1 14X216, F1 19X216, F1 19X233, F1 21X221B were found best. So these seven hybrids can be selected for advance trial.
Keywords
Heat tolerance, insect and disease reaction, eggplant hybrids, summer season, Bangladesh.
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