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Study on Yield and Quality of Different Ber (zizyphusmauritiana Lamk.) Cultivars

MUHAMMAD SHAHINUL ISLAM
MS. Student, Reg. No.26131 /00430
Department of Horticulture, Sher-e-Bangla Agricultural University, Dhaka

Abstract/ Executive Summary:

The experiment was carried out at the Fruit Research Station, Binodpur, Rajshahi during the period from August 2006 to March 2007 to evaluate the fruit quality and yield of twelve ber cultivars viz. Apple kul, BARI kul 1, BARI kul 2, Chapaikul, Dhaka- 90 kul, Hazarikul, Khulna kul, Myanmar kul, Nabhikul, Off season kul, Sabjikul and Zahazikul. The cultivar Dhaka-90 kul produced the biggest(45.17g) and Apple kul produced the smallest fruits (13.00g). Apple kul having desirable fruit shape and size, attractive apple colour, highest TSS (15%) value, high market demand etc. The highest shelf life(5 days) and maximum number of fruit per plant (3776) was also observed in Apple kul and the lowest in Chapaikul (3 days) and Dhaka-90 kul (1938) respectively. Dhaka- 90 kul produced the highest yield (24.25 t/ha) where as Chapaikul, Hazarikul and Nabhikul produced the lowest yield (12.50t/ha). On the other hand Dhaka-90 kul is higher yielder but less preferred by the consumer due to its undesirable fruit size and shape and less attractiveness. Based on attractiveness of fruits, market demand, fruit colour and sweetness, Apple kul was the best cultivar among those for commercially cultivation in Bangladesh.

Keywords: Yield, Quality, Ber, Cultivars

Location: Fruit Research Station, Binodpur, Rajshahi

Start Date: 00-08-2006

End Date: 00-03-2007

Program Area: Quality and Nutrition

Commodity: Orange

Objectives:

1. To find out the yield of different ber cultivars

2. To determine the characteristics of fruits

3. To know the quality of fruits

4. To determine better cultivar(s) for recommendation

Methodology:

The experiment was carried out at the Fruit Research Station, Binodpur, Rajshahi during the period from August 2006 to March 2007.The soil texture of the experimental area was silt loam to clay with medium water holding capacity. The selected area was on a medium high land having pH value 6.5 and low organic matter content. The locality where the experiment was conducted has a subtropical monsoon climate characterized by high temperature and heavy rainfall during the months of April to September and scanty rainfall during rest period of the year (October to March). During the study period the average monthly minimum and maximum temperature was 18.34°C and 29.43°C, respectively and the average relative humidity was 82.51 %. The total rainfall of the locality was 681 mm during the period from August 2006 to March 2007.The experimental materials were mature fruits of 12 ber cultivars, namely Apple kul, BARI kul-1, BARI kul-2, Chapaikul, Dhaka-90 kill, Hazarikul, Khulna kul, Myanmar kul, Nabhikul, off season kul, Sabjikul and Zahazikul. Other materials were used such as polythene bag, slide calipers, measuring scale, measuring tape, electrical balance, refractometer etc. The experiment was laid out in randomized complete block design with three replications. A single tree of each cultivar having uniform size and approximately same age constituted the unit of replication.Organoleptic test in respect of fruit texture, juiciness, sweetness and market demand of the fresh fruits were done by panel of 25 judges of 20-40 years age group. The panel members were the staff of Fruit Research Station, Binodpur, Rajshahi. For doing this fresh fruit were placed in white plastic plate and served to the members of the test panel. The panelist recorded their preferential comments in the supplied questionnaire (Appendix 3). The results were presented both in percentage and acceptability score figures. Acceptability scores were compiled according to a scale suggested by Hossain and Siddique (1982). The scale provided scores of a, b and c for preferential comments highly acceptable, slightly acceptable and unacceptable, respectively.The data recorded in the experiment for different characters were analysed statistically to find out the significance of treatments effect. Analysis of variance was done by the ‘F’ (Variance ratio) test and treatment means were separated by Duncan’s New Multiple Range Test (DMRT) for interpretation of results (Steel and Torrie, 1960).

Source of Information: M.S. Thesis, 2007, Department of Horticulture, Sher-e-Bangla Agricultural University, Dhaka, 1207

Article Link (Online Journal):

Funding Source:

1.

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Apple kul having desirable fruit shape and size, attractive apple colour, highest TSS (15%) value, high market demand etc. The highest shelf life(5 days) and maximum number of fruit per plant (3776) was also observed in Apple kul and the lowest in Chapaikul (3 days) and Dhaka-90 kul (1938) respectively. Dhaka- 90 kul produced the highest yield (24.25 t/ha) where as Chapaikul, Hazarikul and Nabhikul produced the lowest yield (12.50t/ha). On the other hand Dhaka-90 kul is higher yielder but less preferred by the consumer due to its undesirable fruit size and shape and less attractiveness. Based on attractiveness of fruits, market demand, fruit colour and sweetness, Apple kul was the best cultivar among those for commercially cultivation in Bangladesh.

Knowledge Management: Thesis