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Adaptability and Performance of Longan Germplasm at BARI, Gazipur

M. Masuda Khatun
Senior Scientific Officer
Horticulture Research Centre, BARI, Gazipur during 2011-2012.

Abstract/ Executive Summary:

Performance of eighteen Longan germplasm were studied at HRC, BARI, Gazipur during 2011-2012. The result indicated a wide range of diversity existed in studied characters. Among the eighteen germplasm, all produced flower and fruits during 2012. The fruits of all the germplasm became harvestable between 05 to 15 July 2012. Number of fruits/panicle ranged from 14.00 to 25 at mature stage. Maximum weight of fruits/panicle gained from EL Joy-012 (296.25 g) to EL Joy-015 (149.66 g). The heaviest fruit and seed was recorded in EL Joy-012 (11.85 and 2.03 g, respectively), while the lightest in EL Joy-014 (8.71 and 1.47 g, respectively). The weight of aril was the highest in EL Joy-013 (7.78 g), while the lowest in EL Joy-014 (5.79 g). TSS content was maximum in EL Joy-014 (22.75%), whereas minimum in EL Joy-012 (16.79%). The highest edible portion was recorded in EL Joy-013 (69.28 %), while the lowest in EL Joy-012 (65.57 %). Maximum weight of fruits/plant and yield/ha were recorded in EL Joy-012 (10.35 kg and 4.14 ton) whereas minimum in EL Joy-013 (3.28 kg and 1.31 ton). All the germplasm produced roundish fruits with brown skin colour.

Keywords: Longan, Adaptability, Evaluation, Fruit characteristics

Location: Horticulture Research Centre, BARI, Gazipur during 2011-2012

Start Date: 01-01-2011

End Date: 31-08-2012

Program Area: Variety and Species

Commodity: Longan

Objectives:

To study the performance of collected longan genotypes at Gazipur

To select superior longan germplam with respect to yield and quality of fruits.

To evaluate, characterize and document the collected longan germplasm for future utilization

To develop more longan varieties having higher yield and good quality

Methodology:

The experiment was conducted at the Fruit Research Farm of Horticulture Research Centre, BARI, Gazipur during 2011-2012. Sixteen promising germplasm of Longan viz EL Joy-003, EL Joy-004, EL Joy-006, EL Joy-007, EL Joy-008, EL Joy-009, EL Joy-010, EL Joy-011, EL Joy-012, EL Joy-013, EL Joy-014, EL Joy-015, EL Joy-016, EL Joy-017, EL Joy-020 and EL Joy-021 were included in this experiment,found BARI Anshphal-1 and BARI Anshphal-2 were used as check. The seedling plants were planted in 1997 at 4 X 4 m spacing. One plant constituted a unit plot. The plants were fertilized with the 25 ton cow dung, 1 kg urea, 750 g TSP, 750 g MoP and 400 g gypsum per hector. Intercultural operations such as weeding, ploughing, spading, irrigation and plant protection measures were done as and when required. Individual plant was covered with nylon net to protect the fruit from bird damage.

Source of Information: Research Report on Horticultural Crops 2012-13. Horticulture Research Centre, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur-1701.

Article Link (Online Journal):

Funding Source:

1. Government

Budget: 35000/-

Total Budget (Tk.) : 35000/-

Achievement/Findings:

Considering the quantitative and qualitative characteristics and yield, EL Joy-012 and EL Joy-014 were found superior and might be selected for next year evaluation.

Knowledge Management: Report/Proceedings