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Evaluation of Physical Characteristics of Some Off-season Jackfruit Germplasms from South-western Region of Bangladesh

M.A. Mannan*
Agrotechnology Discipline, Khulna University, Khulna 9802, Bangladesh

Sabiha Sultana
Agrotechnology Discipline, Khulna University, Khulna 9802, Bangladesh

S.A.K.U. Khan
Agrotechnology Discipline, Khulna University, Khulna 9802, Bangladesh

Abstract/ Executive Summary:

An investigation was carried out to study the physical characteristics of 28 selected off-season jackfruit germplasm of the southwestern region of Bangladesh. There was significant variation among the germplasms in relation to fruit characteristics. Better performance was showed by germplasm no. 6 in respect of total fruit weight, the weight of rind, the weight of axis, the weight of bulbs, the weight of seed, number of seed, length and breadth of fruit. Germplasm no. 9 showed better performance in respect of the percentage of edible portion. In respect of the length of seed and breadth of seed better performance was showed by germplasm no. 11 and 3 respectively. Germplasm no. 26 showed better performance in relation to the length and breadth of the bulb.

Keywords: Physical characteristics, jackfruit, germplasm, south-western region, Bangladesh

Location: From the southwestern part of Bangladesh

Start Date: 00-08-2003

End Date: 00-12-2003

Program Area: Variety and Species

Commodity: Jackfruit

Objectives:

There is a scope to select superior off-season germplasm of jackfruit from field survey and collection of the same to mitigate the fruit and nutritional shortage. The present study was undertaken to study the pattern of physical properties of off-season jackfruit.

Methodology:

A study on the physical characteristics of 28 germplasms of off-season jackfruit was carried out during the period from July 2003 to March 2004. The off-season jackfruit germplasms were selected from the southwestern part of Bangladesh. Mature jackfruits were harvested at different time from August 2003 to December 2003. Three fruits were collected from each germplasm. The collected fruits were brought to the Horticulture Laboratory of Agrotechnology Discipline, Khulna University, Khulna and kept in ambient condition for ripening.

Physical characteristics of off-season jackfruits were determined under quantitative characters such as Fruit Weight (kg), Weight of Rind (kg), Weight of Axis (kg), non-edible portion (%), Weight of Bulb (kg), Edible portion (%), Weight of Seed (kg), Number of seed/ fruit, no of spine (cm-2), Skin thickness (cm), Length of fruit (cm), Breath of fruit (cm), Length of seed (cm), Breath of seed (cm), Length of bulb (cm), Breath of bulb (cm), Individual bulb weight (g) were observed appropriately. The study was laid out in a completely randomized design. The collected data were statistically analyzed by a standard statistical package. Duncan’s Multiple Range Test (DMRT) was used to compare the means of different parameters.

Source of Information: Khulna University Studies, 7(2): 71-76, 2006

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The physical characteristics of 28 selected off-season jackfruit germplasms of south western region of Bangladesh was studied with mature jackfruits harvested at different time from August 2003 to December 2003. Three fruits were collected from each germplasm for the study. Physical characteristics of off-season jackfruits were determined under quantitative characters (e.g. weight of fruit, weight of rind, weight of seed, weight of edible portion etc.) and qualitative characters (e.g. shape of fruit, size of fruit, skin colour of fruit, skin thickness etc.). Significant variation was found among the germplasms in relation to fruit characteristics. Better performance was showed by germplasm no. 6 in respect of total fruit weight, weight of rind, weight of axis, weight of bulbs, weight of seed, number of seed, length and breadth of fruit. Germplasm no. 9 showed better performance in respect of percentage of edible portion and germplasm no. 5, 18 and 24 produced very sweet, juicy and agreeable flavoured bulb. In respect of length of seed and breadth of seed better performance was showed by germplasm no. 11 and 3. Germplasm no. 26 showed better performance in relation to length and breadth of bulb.

Knowledge Management: Journal