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Flowering, Fruiting and Seed Maturity of Common Plantation Tree Species in Bangladesh

G. N. Tanjina Hasnat
Institute of Forestry and Environmental Sciences, University of Chittagong, Chittagong, Bangladesh

M. Kamal Hossain
Institute of Forestry and Environmental Sciences, University of Chittagong, Chittagong, Bangladesh

M. Akhter Hossain
Institute of Forestry and Environmental Sciences, University of Chittagong, Chittagong, Bangladesh

Abstract/ Executive Summary:

Flowering, fruiting and seed maturity are important aspects in the life span of a plant or plant community. These phenological characteristics have great significance in plantation program. A study was carried out from January, 2011 to March, 2012 with a view to explore these phenological affairs of 65 commercially important plantation tree species. The research was conducted covering wide area of hill forest and plain land Sal forests of Bangladesh through repeated field visits and review of literature. The results showed that flowering, fruiting and seed maturity period varied from species to species The findings of the study represent that most of the studied species bear flowers (32 - 33 species) and fruits (26 - 29 species) during March-May and April-June respectively. The flowering period varied from 3 to 5 months among the species. The results also showed that viable recalcitrant seeds of most of the species can be collected between May and June with, while for very few species seeds can be collected between September and October. The findings will be helpful to the nursery owners, small scale planters and forest managers to know the information of fruit setting and time of seed collection for raising nursery with desired plant species.

Keywords: Phenology, Tree species, Flowering, Fruiting and seed collection

Location: Jessore, Jhenidah, Kushtia, Rajshahi, Mymensingh, Tangail, Sylhet and Chittagong districts of Bangladesh

Start Date: 00-01-2011

End Date: 00-03-2012

Program Area: Development of Host and Medicinal Plants

Commodity: Plant(s)

Objectives:

To explore these phenological affairs of 65 commercially important plantation tree species

Methodology:

The study was carried out throughout the country generally on plantation sites, mostly covered Jessore, Jhenidah, Kushtia, Rajshahi, Mymensingh, Tangail, Sylhet and Chittagong districts of Bangladesh from January, 2011 to March, 2012. A total of 65 plantation tree species belonging to 45 genera and 23 families were selected considering their uses in plantation program. Tree species composition of different natural forests reported and were reviewed to verify the targeted species from different natural forests. The selected trees for each species were then observed in the field during the study periods. Frequent field visit were made on the same forests to observe the changes in phenological affairs of the plants. Sometimes data on phenological affairs were collected from field guides when field visits could not be made. The periods of flowering, fruiting and seed collection were observed at different places for each species. The recorded data were then verified with the existing reports and finally listed down. For graphical presentation the findings are arranged with their flowering, fruiting and seed maturity period.

Source of Information: J. Biosci. Agric. Res. 06(01): 583-589 (2016)

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The findings would be helpful to those stakeholders informing them about right time of seed collection of important plantation species in Bangladesh. The studied phenological affairs of the 65 tree species would help to elucidate the future changes in relation to climate change and other environmental stresses

Knowledge Management: Journal