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Study and Quantitative Analysis of Wild Vegetable Floral Diversity Available in BARIsal District, Bangladesh

Uzzal Hossain
Department of Botany, University of Barisal, Barisal-8200, Bangladesh

Ashikur Rahman
Department of Botany, University of Barisal, Barisal-8200, Bangladesh

Abstract/ Executive Summary:

In Barisal district of Bangladesh, a market survey was carried out to document the local wild vegetables floral diversity consumed by rural people and also inhabitants of metropolitan city, compare the botanical and agronomical characteristics. A total of 100 wild vegetable species belonging to 46 families have been documented from Barisal district. Among 100 wild vegetables 65% species are ethnomedicinally important and 52% are available in the all the year round. Among the species 75% hurb, 19% climber, 4% shrub and 2% trees. Leaf is most frequently used plant parts consumed and fallow land is the important source of these wild vegetables. Among 46 plant families Amaranthaceae and Araceae were recorded as most prominent. Market potentiality proportionally correlated with taste, ethnomedicinal value and use frequency but inversely correlated with distribution area, community status. Wild vegetable floral species having ethnomedicinal value, better in taste are rare and distributed into certain remote areas because frequent consumption result fast reduction from hand reach sources. Findings of this study could provide baseline data to conserve these wild vegetables, further agronomical investigation to domesticate them for sustainable use.

Keywords: Wild vegetables; Floral diversity; Ethnomedicinal; Quantitative analysis; Barisal

Location: Barisal district of Bangladesh

Start Date: 00-10-2017

End Date: 00-11-2018

Program Area: Crop-Soil-Water Management

Commodity: Vegetables

Objectives:

To exploration of wild vegetable available in Barisal region,
To identify the frequently consumed and marketed wild vegetable species by the local people,
To document their traditional uses,
To determine the consensus of medicinal uses,
To make a basis for future cultivation, conservation.

Methodology:

Barisal is under AEZ-13 named Ganges tidal floodplain and one of the riverine southern districts of Bangladesh lying between 22º27´ and 22º52´N and 90º01´ and 90º43´E. The greater part of this region has smooth relief having large areas of salinity, with medium to high organic matter containing non-calcareous grey floodplain soils (FAO, 1997). This district is demarked by Madaripur, Shariatpur and Chandpur districts on the north, Patuakhali, Barguna and Jhalkhati districts on the south, Bhola and Lakshmipur districts on the east, and Pirojpur, Jhalkhati and Gopalganj districts on the west. This district consists of 10 upazillas, viz., Agailjhara, Babuganj, Bakerganj, Banaripara, Barisal Sadar, Gaurnadi, Hizla, Mehendiganj, Muladi and Wazirpur. Roadsides, fallow land, banks of rivers and all homesteads are usually covered by dense floral variety of both wild and cultivated species of plants resulting biodiversity enrich as industrialization, urbanization less affects this metropolitan city. Local people from periphery of metropolitan area come to city markets to sell wild vegetables collected by them for livelihood. Vegetable samples and data collection- From October 2017 to September 2018, twice in a season wild vegetables specimen, agronomical and botanical data associated with collected specimen were collected from the study area during periodical market surveys covering all the year round. The information related to wild vegetables obtained through local market survey and includes all higher plants and Pteridophytes, occurring wild in all available habitats. A total of 62 informants of all aged including both male and female of wild vegetables collectors and sellers have been interviewed from 26 local markets and public gathering places in Barisal district. During the survey information related to edibility of vegetables, parts used, taste status, market potentiality, availability status, harvesting season, ethnomedicinal value, sources of harvesting were recorded. The collected data were placed on to computer to prepare a database through Microsoft Excel. Specimens of each wild vegetables were collected, botanically analyzed and identified by experts using standard literature (Ahmed et al., 2007-2009). Voucher specimens were prepared using standard protocol (Hyland, 1972; Alexiades, 1996) and preserved at the Department of Botany, University of Barisal.

Source of Information: Asian J. Med. Biol. Res. 2018, 4 (4), 362-371; ISSN 2411-4472 (Print) 2412-5571 (Online)

Article Link (Online Journal): doi: 10.3329/ajmbr.v4i4.40108

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

This is the first market survey on wild vegetables consumed by the local people of Barisal district. The findings is consistent with other authors findings with regard to parts used, ethnomedicinal value, gender involvement, plant habits and habitats, but partially consistent with regard to name of mostly contributed family, seasonal availability. The study revealed that the local inhabitants of this district has wide knowledge on consumption of wild vegetables. As a result local people of this district consume a plenty of wild vegetables and amazing news is that surplus wild vegetables are also being marketed in metropolitan city markets. Another surprising news is that some family totally depend upon vegetables available around their homestead flora and maximum portion of these vegetables are wild. Documentation and preservation of wild vegetables knowledge is not only indispensable for the communities, but also valuable for scientific studies for sustainable uses. Further agronomical investigations on these wild vegetables is greatly needed in this regard. Our findings could provide baseline data to explore alternative vegetables from this district by agriculturists to meet up increasing demand of future generation and attention to conservation policy maker to manage these natural resources from over exploitation and degradation.

Knowledge Management: Journal