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Effect of Seed Priming with Proline on Germination and Seedling Growth of Mungbean Under Salt Stress

Muhammad Abdus Sobahan
School of Agriculture and Rural Development, Bangladesh Open University, Gazipur-1705, Bangladesh.

Abstract/ Executive Summary:

Seed priming is a pre-sowing treatment that enhances germination performance and stress tolerance of germinating seeds. The effect of seed priming with proline on germination and seedling growth of mungbean (Vigna radiata L.) under salt stress was investigated. The experiment carried out in completely randomized design with three replications in May 2018 at the Research Laboratory of the School of Agriculture and Rural Development, Bangladesh Open University, Gazipur, Bangladesh. Salt stress at 5 dSm-1 decreased seed germination percentage, plumule length, radicle length, plumule fresh weight, radicle fresh weight and seed vigour index compared to control. Seed priming with proline increased germination percentage (53.84%), plumule length, radicle length, plumule fresh weight, radicle fresh weight and seed vigour index under salt stress. The results suggested that seed priming with proline could effectively alleviate the inhibitory effects of salt stress on seed germination and seedling growth of mungbean.

Keywords: South Asian J. Agric. Vol. 7, No. 1&2, 2016-’19 : 15-18

Location: Research Laboratory of the School of Agriculture and Rural Development, Bangladesh Open University, Gazipur, Bangladesh.

Start Date: 00-05-2018

End Date:

Program Area: Seed Technology

Commodity: Mungbean

Objectives:

The objective of the present study was to investigate whether seed priming with proline induce tolerance to salinity in seeds of mungbean.

Methodology:

The experiment was conducted in the laboratory of the School of Agriculture and Rural Development, Bangladesh Open University, Gazipur in May, 2018. Mungbean variety namely BARI mung-6 was collected from Bangladesh Agricultural Research Instiitute (BARI), Gazipur. Seeds were surface sterilized with 0.1% (w/v) Sodium hypo chloride and washed thoroughly with distilled water at room temperature. These surface sterilized seeds were primed in proline at 5 mM (Singh et al., 2018) for 6 hours. Unprimed seeds served as control. After incubation into primed solution seeds were air dried at room temperature. The experiment was conducted in completely randomized design (CRD) with three replications. Three replicates of 10 seeds were transferred to filter paper containing petri dish. Ten ml of NaCl solution (5dSm-1) (Singh et al., 2018) was added in respective petri dishes. The control contained 10 ml of distilled water. After three days seedlings were removed from the petridishes and germination percentage, plumule length (cm), radicle length (cm), plumule fresh weight (gm), radicle fresh weight (gm) and seed vigour index were measured.

Source of Information: South Asian J. Agric. Vol. 7, No. 1&2, 2016-’19 : 15-18

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Salt stress decreased germination and seedling growth of mungbean. Seed priming with proline could effectively alleviate the inhibitory effects of salt stress on seed germination and seedling growth of mungbean. Seed priming with proline can effectively be used in mungbean cultivation in saline soils.

Knowledge Management: Journal