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Studies on Quantitative Characteristics of Fruits of Some Guava Germplasm in Both on and Off-seasons

M.H. Rahman
Bangladesh Agriculture Research Institute

M.A.Salam
Bangladesh Agriculture Research Institute

A.S.M.H. Masum
Bangladesh Agriculture Research Institute

M.A. Rahman
Bangladesh Agriculture Research Institute

M.M.A. Patwary
Bangladesh Agriculture Research Institute

Abstract/ Executive Summary:

A Study o n quantitative characteristics of fruits of guava germplasm in both on and off seasons was carried out at the germplasm center, Fruit-Tree Improvement Project (FTIP) of the Department of Horticulture, Bangladesh Agricultural University, Mymensingh, during June, 2000 to Apri l , 2001. Different quantitative characters were found statistically significant. In respect of different characters such as fruit size, fruit weight, thickness, weight of mesocarp and endocarp, number of seeds per fruit, percent edible portion. The guava showed better performance in both on and off season but fruits of off- season were better than that of on season. In respect of fruit weight, size, flesh weight, seed per fruit and percent edible portion, the germplasm PG-028, PG-027 and PG-005 were superior among all the germplasm in both the season.

Keywords: Quantitative characteristics, Guava, Germplasm

Location: Mymensingh

Start Date: 21-06-2000

End Date: 23-04-2001

Program Area: Variety and Species

Commodity: Guava

Objectives:

To record the quantitative characters of thirteen air-- layered guava germplasm.

Methodology:

The study was conducted at the germplasm centre, Fruit Tree Improvement Project (FTIP) of the Department of Horticulture, Bangladesh Agricultural University, Mymensingh, during June, 2000 to April, 200 I. Thirteen guava cultivars viz, PG-00 l, PG-002, PG-003, PG-004, PG - 005, PG-006, PG-007, PG-008, PG-009, PG-011, PG-013, PG- 028 and PG-029 were included in this study. Randomized Complete Block Design with three replications was used for t his experiment. There were three guava trees each cultivar and mature fruits were randomly collected from plants for both seasons. The fruits were brought at Department of Horticulture for investigating their quantitative characters. The data were analyzed statistically and the mean differences were compared by least significant differences.

Source of Information: Asian Journal of Plant Sciences 2 (10): 797-799, 2003

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Significant variations were observed among the cultivar in respect of fruit weight, fruit size, thickness, weight of mesocarp and endocarp, number of seed per fruit, weight of seeds per fruit, weight of 1000-seeds and percent edible portion in both the season. In on season the maximum fruit weight was obtained from PG-028 (241.36 g) followed by PG-007 (224.21 g) and the rest germplasm ranged from 47.00 g (in PG-003) to 202.70 g (in PG-005). In off-season, the maximum fruit weight was also obtained from PG-028 (261.25 g) followed by PG-007 (254.1 0 g). The fruits of the rest cultivars ranged from 81.10 g (in PG-003) to 240.62 g ( in PG-005). During on season PG-007 produced the longest fruit (8.03 cm) followed by PG-001 (8.01 cm), PG-003 (7.2 cm) and PG- 028 (7.2 cm) while PG-003 produced the shortest fruit (4.16 cm). Fruit breadth of different cultivars ranged between 4.25 to 7. 1 2 cm in PG-003 and PG-028, respectively. During off- season PG-007 also produced the longest fruit (8.95 cm).

Knowledge Management: Journal