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Physico-chemical Characteristics of the Fruits of Nine Guava Cultivars

M. A. Ullah
Horticulture Research Centre, Bangladesh Agricultural Research Institute Joydebpur, Gazipur.

M. A. Hoque
Horticulture Research Centre, Bangladesh Agricultural Research Institute Joydebpur, Gazipur.

G. H. Ghose
Horticulture Research Centre, Bangladesh Agricultural Research Institute Joydebpur, Gazipur.

S. K. Saha
Horticulture Research Centre, Bangladesh Agricultural Research Institute Joydebpur, Gazipur.

Abstract/ Executive Summary:

Fruits of nine guava cultivars, namely Kashi, Kazipiara, Mukundapur, Swarupkathi, Kanchannagar, Shillong, Gu-007, Gu-008 and Sayadee were produced at the Regional Agricultural Research Station, Akbarpur, Moulvibazar to study their physico-chemical parameters for two years (1989 and 1990). Fruit shape varied from ovoid to pitcher in different cultivars of guava. Kazipiara produced the biggest fruit (446.3 g) with maximum size (9.50cm x 8.95 cm), while Sayadec produced the smallest fruit (68.8 g) with minimum size (4.95cm x 4.65 cm), However, other cultivars produced the medium sized fruits ranging from 117.5 g to 165 g. All the cultivars gave white fleshed fruits except Sayadee which was pink. Texture of flesh of ripe fruits was medium crispy in Kashi, crispy in Kazipiara and soft in others. Weight of seeds per 100 g fruit ranged from 1.54 g to 3.20 g. Weight of seeds per 100 g was the highest in Sayadee and lowest in Gu- 008 and Kazipiara. TSS in mesocarp and endocarp varied from 7.1°B (Kazipiara) to 10.2°B (Gu-008) and 10.7°B (Kazipiara) to 13.9°B (Gu-007), respectively.

Keywords: Physico-chemical , Guava, Air-layered

Location: Regional Agricultural Research Station, Akbarpur, Moulvibazar

Start Date: 00-08-1989

End Date: 00-00-1990

Program Area: Variety and Species

Commodity: Guava

Objectives:

To record physico-chemical characters of nine air-layered guava cultivars grown at Moulvibazar.

Methodology:

The study conducted at the Laboratory of the Regional Agricultural Research Station (RARS), Akbarpur, Moulvibazar during August of 1989 and 1990. Fruits of six local (Kanchannagar, Mukundapur, Sayadee, Swarupkathi, Gu-007 and Gu-008), one released by NSB (Kazipiara) and two exotic cultivars (Kashi and Shillong) of air layered guava plants were grown at RARS, Akbarpur, Moulvibazar. The design of the experiment was RCB (Factorial) with three replications. Three plants of each cultivar was selected from a plantation of RCB design to represent three replications. Ten well matured fruits per plant were randomly harvested from the East, West, North, South and top. On the same day of harvest in August 1989 and 1990, the fruits were brought at the Laboratory for investigating their physico-chemical parameters except skin colour, while qualitative characters, such as shape of fruit, surface of fruit. texture of flesh, taste of flesh and hardiness of seed were also recorded by eye estimation and organoleptic taste by a panel of judges. Skin colour of fruits and quantitative characters of fruits were recorded at the full ripened stage. TSS of mesocarp and endocarp was recorded by the hand Refractometer.

Source of Information: Bangladesh Horticulture, Vol.20 (1), Page: 7-11, June 1992 (ISSN 0379-4288)

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Kazipiara produced the biggest fruit (446.3 g) with maximum size (9.50cm x 8.95 cm), while Sayadec produced the smallest fruit (68.8 g) with minimum size (4.95cm x 4.65 cm), However, other cultivars produced the medium sized fruits ranging from 117.5 g to 165 g. All the cultivars gave white fleshed fruits except Sayadee which was pink. Texture of flesh of ripe fruits was medium crispy in Kashi, crispy in Kazipiara and soft in others. Weight of seeds per 100 g fruit ranged from 1.54 g to 3.20 g. Weight of seeds per 100 g was the highest in Sayadee and lowest in Gu- 008 and Kazipiara. TSS in mesocarp and endocarp varied from 7.1°B (Kazipiara) to 10.2°B (Gu-008) and 10.7°B (Kazipiara) to 13.9°B (Gu-007), respectively.

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