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Screening of BARI Released Eggplant Varieties Against Salinity (2016 – 2017)

M. D. Hossain
Horticulture Research Centre, BARI, Joydebpur, Gazipur-1701

Ferdouse Islam
Horticulture Research Centre, BARI, Joydebpur, Gazipur-1701

AKM Quamruzzaman
Horticulture Research Centre, BARI, Joydebpur, Gazipur Bangladesh

M. A. Siddiky
Horticulture Research Centre, BARI, Joydebpur, Gazipur Bangladesh

Abstract/ Executive Summary:

A pot experiment was conducted at the research field of Olericulture Division, Horticulture Research Center, (HRC) Bangladesh Agricultural Research Institute, (BARI) Joydebpur, Gazipur during the rabi season of 2016-17 to screen out salt tolerant eggplant variety(ies). Fifteen eggplant varieties viz.; BARI Begun 1 (BB1), BARI Begun 4 (BB4), BARI Begun 5 (BB5), BARI Begun 6 (BB6), BARI Begun 7 (BB7), BARI Begun 8 (BB8), BARI Begun 9 (BB9), BARI Begun 10 (BB10), BARI Hybrid Begun 2 (BHB2), BARI Hybrid Begun 3 (BHB3), BARI Hybrid Begun 4 (BHB4), BARI Bt Begun 1 (Bt1), BARI Bt Begun 2 (Bt2), BARI Bt Begun 3 (Bt3) and BARI Bt Begun 4 (Bt4) were included in this study. After transplanting into 15 L pots, the plants were exposed to 0 (control) and 8 dS/m salinity stresses and continue up to final harvest. The results revealed that soil salinity markedly reduced plant height, number of leaves/plant, fresh weight of plants and roots, number of fruits/plant, individual fruit weight and fruit yield/plant in all eggplant varieties. The minimum reduction of fruits/plant was obtained in BB9 and maximum in BB1, BB5 and Bt4. The lowest reduction of individual fruit weight was obtained in BHB4 followed by Bt1 and BB10, while the highest reduction in BHB2. In control condition, the highest fruit yield was recorded from BB5 followed by Bt2, whereas; in 8 dS/m salinity stress, the highest yield was recorded from BHB4 followed by Bt2. However, due to salt stress, the reduction of fruit yield/plant was the lowest in BB9 and the highest in BB6 and BB5. From the current study it may stated that none of the eggplant varieties found to be tolerant to 8 dS/m salinity stress and therefore, the study may be repeated in the following year including more number of eggplant varieties/lines.

Keywords: Salt tolerant, Eggplant, Varieties

Location: Olericulture Division, Horticulture Research Center, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur, Bangladesh

Start Date: 00-10-2016

End Date: 00-04-2017

Program Area: Crop-Soil-Water Management

Commodity: Brinjal, Soil salinity

Objectives:

The current study was proposed to search out salt tolerant eggplant varieties for bringing the saline affected lands of Bangladesh under vegetable cultivation.

Methodology:

The experiment was conducted at the Olericulture Division, Horticulture Research Center, Bangladesh Agricultural Research Institute, Gazipur during the months of October 2016 to April 2017 following completely randomized design with three replications. Seeds of 15 BARI released eggplant varieties (10 OP, 3 hybrids and 4 Bt brinjal) were sown in the seedbed on 26th October and seedlings were transplanted on 24 November into 15 L pots (one seedling /pot) containing soil and recommended doses of manures and fertilizers. The plants were irrigated with 8 dS/m saline water at every 3^rd days and continue up to final harvest. Control plants were irrigated with fresh water. Manures and fertilizers were used as recommended by Bangladesh Agricultural Research Institute. The entire amount of organic manure, TSP, Gypsum, Borax and half of the MoP were applied during final pot soil preparation. The remaining half of MoP and entire urea were applied in three equal installments, 1st at 15 days after planting, 2nd at flowering and the 3rd at fruit maturity stages. Data were collected on plant height, days to first flowering, number of fruits/plant, individual fruit weight and yield/plant. Collected data were statistically analyzed using XLSTAT 2015 software.

Source of Information: Annual Research Report 2016 – 2017, Horticulture Research Centre, BARI, Joydebpur, Gazipur Bangladesh

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

This work showed that saline stress had, to all eggplant varieties, a depressive effect on all parameters of growth and yield and none of the varieties found to be tolerant to the applied stress. Since no biochemical analysis could carry out in this study for want of proper lab facilities, the experiment may be repeated in the following year included more varieties/lines and biochemical analysis would be done properly.

Knowledge Management: Report/Proceedings