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Plant Diversity of the Horticultural Farm of Bangladesh Agricultural University

AKBAR HOSSAIN
Wheat Research Centre, BARI, Nashipur, Dinajpur

M.A.S. CHOWDHURY
Scientific Officer
ACIAR, CIMMYT, BARI, OFRD, Noakhali

MST.T. ISLAM
Section Officer
Academy Division, Hajee Mohammad Danesh Science and Technology University, Basherhat, Dinajpur-5200, Bangladesh

P.K. MALAKER
Wheat Research Centre, BARI, Nashipur, Dinajpur

S.M. IQBAL
Wheat Research Centre, BARI, Nashipur, Dinajpur

Abstract/ Executive Summary:

A taxonomic survey was carried out to assess the diversity of plant genetic resources in the Horticultural farm of Bangladesh Agricultural University, Mymensingh. The data were collected during April 2004 to March 2005. A total of 25328 (including unidentified plant species) species were recorded in which trees, shrubs, herbs, climbers and woody grasses were 51.56, 27.60, 7.81, 10.41, and 2.61% of the total species, respectively. The total number of plants belongs to 98 families under 141 genera and 192 species (excluding unknown species). Among these, 65 fruit tree species under 38 genera and 25 families (of which 8 species were rare and endangered), 16 timber plant species under 12 genera and 9 families, 32 medicinal plant species under 29 genera and 24 families (of which 7 species were rate and endangered), 44 ornamental plant species under 34 genera and 25 families (of which 2 species were rare and endangered), 4 spices plant species under 4 genera and 4 families, 11 vegetables plant species under 9 genera and 6 families, 5 bamboo species under 2 genera and one family, 3 rattan (Bet) plant (which were rare and endangered) species under one genus and one family, 10 palm plant species under 10 genera and 2 families, and 2 rubber plant species under 2 genera and one family were recorded.

Keywords: Plant diversity, Taxonomic survey

Location: Bangladesh Agricultural University

Start Date: 00-04-2004

End Date: 00-03-2005

Program Area: Conservation and Biodiversity

Commodity: Plant(s)

Objectives:

(a) To prepare a list of trees, shrubs, and woody plant species under different taxa.

(b) To evaluate the diversity of plant genetic resource with conservation of rare and endangered species grown in the Horticultural Farm of BAU, Mymensingh.

Methodology:

The Horticultural Farm of the Bangladesh Agricultural University covers 26 ha and is located in scenic rural surrounding on the western bank of the old Brahmaputra river, 3 km south of the district town of Mymensingh. Geographical position of the farm is between the latitudes of 240 26′ and 240 54′ N and longitudes of 900 15′ and 900 30′ E at an altitude of 18 m. Climate of the study area is sub-tropical where rainfall is heavy during Kharif season and scanty in the Rabi associated with moderately low temperature and plenty of sunshine. The soil belongs to Sonatola series of the Brahmaputra alluvium tract and is medium textured (loam and silty loam), but there are also some fine textured soils. Soil pH varies from 6.0 to 7.6 with most soils having values around neutrality. An exploratory taxonomic survey was conducted to ascertain the plant diversity and conservation of plant species in the farm under study. Data were collected during April to May 2005. The work consisted of basic methodological approaches and survey. The flora of the study area was listed and every species was identified and recorded separately. Different taxonomic books were consulted (Randhawa and Mukhopadhyay, 1986; Mukherjee and Gangulee 1964; Kurz, 1974a; Kurz, 1974b; Rashid, 1990; Khan et al., 1988; Haque, 1993; Gruezo, 1995) for collection of scientific names and relevant information.

Source of Information: Bangladesh J. Agril. Res. 34(2) : 189-204, June 2009, ISSN 0258-7122

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The present study reveled a total of 25328 plants with 192 species, where the highest percentage (51.56%) of plant species was found in tree habits, while the shrubs, herbs, climbers, and woody grasses comprised 27.60, 7.81, 10.41, and 2.62%, respectively. The fruit plants consisted of 65 species under 38 genera and 25 families of which 4 species are rare and endangered. Timber plants had 16 species under 12 genera and 9 families. Among 32 medicinal plant species recorded under 29 genera and 24 families, 5 species are rare and endangered. Ornamental plant consisted of 120 species under 34 genera and 25 families of which 2 species are rare and endangered. A total of 4 species of spices plants have been recorded under 4 genera and 4 families. Vegetables were of 11 species under 9 genera and 6 families. In bamboo, 5 species were identified, which comprised 2 genera under a single family. In case of Rattan, total of 3 species with single genus were recorded under palmae family. Palm plant consisted of 10 species under 10 genera and 2 families. Two rubber plant species were listed under 2 genera and a single family. No dangered species of timber, spices, vegetables, bamboo, rattan, palm, and rubber plants were recorded. It can be concluded that different plant categories have various habits with diverse species, genera, and families including a good number of rare and endangerd species have been maintained in the horticultural farm of BAU.

Knowledge Management: Journal