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Physico-morphological Characters of Fruits of Cowa (garcinia Cowa) Germplasm at Jaintiapur, Sylhet

S. M. L. Rahman
Senior Scientific Officer
Citrus Research Station (CRS), Jaintiapur, Sylhet

M. H. M. B. Bhuyan
Scientific Officer
Citrus Research Station (CRS), Jaintiapur, Sylhet

Jhutan C. Sarker
Scientific Officer
Citrus Research Station (CRS), Jaintiapur, Sylhet

Abstract/ Executive Summary:

Qualitative and quantitative characteristics of fruits of cowa germplasm were evaluated at the Citrus Research Station, Jaintiapur, Sylhet during 2013-14 with five cowa germplasm. Highly significant variation was observed in different quantitative and qualitative. Maximum fruit size (4.2×3.9 cm) was obtained from GC Jai-018 followed by GC Jai-001 (3.9×3.8 cm) while fruit size was minimum (3.0×3.6 cm) from GC Jai-003. Rind weight (10.5 g) was noted the highest in GC Jai-004 as against the lowest (8.3 g) in GC Jai-003. The highest seed weight (6.3 g) was recorded in GC Jai-018, while the lowest (4.3 g) in GC Jai-020. GC Jai-003 gave maximum number of segments/fruit (6.7) and GC Jai-001 and GC Jai-020 gave the minimum (4.3). Maximum per cent edible portion (43.5%) was obtained from GC Jai-004 followed by GC Jai-003 (41.8%) while the lowest (37.7%) from GC Jai-020. The accession GC Jai-018 was noted superior in case of per cent TSS (14.3%), while the lowest was found in GC Jai-020 (13.1%). In case of fruit shape only GC Jai-020 produced oval shape fruits but the other germplasm produced fruits of round in shape. Mature fruit color was orange in case of GC Jai-001 and GC Jai-018, the other germplasm showed yellow color. Flesh color was light orange in case of GC Jai-004 but the others showed orange color.

Keywords: Garcinia cowa, Physico-morphological characters, Qualitative characteristics, Quantitative characteristics

Location: Citrus Research Station (CRS), Jaintiapur, Sylhet

Start Date: 01-05-2013

End Date: 31-08-2014

Program Area: Variety and Species

Commodity: Cowa

Objectives:

To study the qualitative and quantitative characters of fruits of cowa at Jaintiapur, Sylhet

To evaluate, characterized and documented the qualitative and quantitative characters of fruits of of cowa

To select suitable cowa germplasm for release as a variety as well as improvement this fruit crops

Methodology:

The qualitative and quantitative characters of fruits of cowa were evaluated at the Citrus Research Station, BARI, Jaintapur, Sylhet during 2013-14. Five germplasm of cowa, namely GC Jai-001, GC Jai-003, GC Jai-004, GC Jai-018 and GC Jai-020 were included in this study. The experiment was laid out in a single row plantation with three replications maintaining 6 × 6 m plant spacing. A single tree of each germplasm constituted a unit plot. Each plant was fertilized with 20 kg cow dung, 750 g urea, 500 g TSP, 400 g MoP, 250 g gypsum, 50 g zinc sulphate and 20 g borax in two splits in circular trench (60 cm broad, 30 cm deep) 1 m away from the trunk. First split was applied at the end of September and second after fruit setting. Two full cover sprays with Bavistin 50WP @ 2 g/L was applied when the fruits were in pea and marble stage to avoid fungal infection on fruit. Data on fruit size (length x breadth at cm), weight of skin (g), number of segment/fruit, number of seeds/fruit, seed weight (g), seed length (cm), seed breadth (cm), edible portion (%), TSS (%), shape of fruit, fruit color at ripen, flesh colour, sourness and organoleptic taste were recorded as per 'Tropical Fruit Crop Descriptors' (IBPGR, 1980). For different quantitative characteristics of fruit fully mature 10 fruits were harvested from the plant and data were taken. The recorded data on different parameters were statistically analyzed using MSTAT-C programme and DMRT was performed for interpretation of the results.

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: 18000/-

Total Budget (Tk.) : 18000/-

Achievement/Findings:

Considering fruit size, TSS, edible portion, skin and pulp colour, and taste of the fruit the cowa germplasm GC Jai-018 and GC Jai-004 were found superior and might be considered for future improvement.

Knowledge Management: Report/Proceedings