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Evaluation of Rose Apple (syzygium Jambos) Germplasm in Hilly Region

Z. A. Firoz
Principal Scientific Officer
Hill Tracts Agricultural Research Station, Ramgarh, Khagrachari

Abstract/ Executive Summary:

Five germplasm of rose apple such as SJRam-001, SJRam-002, SJRam-003, SJRam-004, SJ Ram-005 were evaluated at the Hill Tracts Agricultural Research Station, Ramgah, Khagrachari during the year 2013-14. There was a lot of variability in respect to plant and fruit characters. The line SJ Ram-005 has the maximum base girth (92.8 cm) and it was the lowest in SJ Ram-003 (63.4 cm). The number of main branches/plant was ranged from 2 (SJ Ram-005) to 4 (SJ Ram-003). The tallest plant (7.98 m) was found in SJ Ram-004, while the shortest (6.56) was in SJ Ram-002. Maximum number of fruits (854/plant) were obtained from SJ Ram-001, followed by SJ Ram-005 (871/plant), in contrast minimum (504/plant) were obtained from SJ Ram-03. Among the germplasm heavier fruits (16.3 g/fruit) were produced by EJ Ram-003, while the lightest (13.9 g/plant) in SJ Ram-004. The highest fruit yield/plant (12.78 kg) was obtained from the line SJ Ram-01 followed by SJ Ram-005 (12.20 kg) and it was the lowest from SJ Ram-003 (8.23 kg). The fruits of SJ Ram-001 contained maximum TSS (13.05%) having sweeter taste and it was minimum (10.21%) with the insipid taste in SJ Ram-005. Percent edible portion ranged from 87.5 to 88.3% and it was found the highest in SJ Ram-004 and the lowest in SJ Ram-003.

Keywords: Rose apple, Syzygium jambos, Yield and quality, TSS

Location: Hill Tracts Agricultural Research Station, Ramgarh, Khagrachari

Start Date: 01-07-2013

End Date: 31-08-2014

Program Area: Variety and Species

Non-commodity: Performance

Objectives:

To study the performance of rose apple germplasm at hilly areas of Bangladesh
To evaluate, characterized and documented the rose apple germplasm for utilization
To select superior rose apple germplam in order to release as variety.

Methodology:

Five rose apple germplasm were evaluated at the Hill Tracts Agricultural Research Station, Ramgarh, Khagrachari Hill district during 3013- 2014. Five germplasm of rose apple such as SJ Ram-001, SJ Ram-002, SJ Ram-003, SJRam-004 and SJ Ram-005 were included in this study. The experiment was laid out in a single row plantation with three replications. The planting distance was 5 ×5 m. Each of the plants was fertilized with cow dung 20 kg, Urea 300 g, TSP 250 g and MP 250 g in two installments at the beginning and the end of the rainy season. Mature fruits were harvested during May, 2014. Data on plant height, base girth, spreading, branching density, number of primary branches, time of flowering, time of harvesting, number of fruits/plant, single fruit weight (g), fruit length (cm), fruit breadth (cm), seed weight (g), edible portion (%), TSS (%), yield/plant (kg), shape of fruit, fruit color at ripen, organoleptic taste and insect-diseases reaction were recorded and the mean data were calculated. Fruit qualitative and quantitative parameters were recorded randomly selected 10 fruits from every harvest of each plant.

Source of Information: Research Report on Horticultural Crops 2013-14. Horticulture Research Centre, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur-1701.

Article Link (Online Journal):

Funding Source:

1. Government

Budget: 20000/-

Total Budget (Tk.) : 20000/-

Achievement/Findings:

Considering plant growth, yield, yield contributing characters, percent edible portion and TSS content of fruits the germplasm SJ Ram-001 was found better.

Knowledge Management: Report/Proceedings