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Evaluation of Burmese Grape Germplasm (2018-2019)

J. C. SARKER
Citrus Research Station, Bangladesh Agricultural Research Institute, Jaintapur, Sylhet

F. AHMED
Citrus Research Station, Bangladesh Agricultural Research Institute, Jaintapur, Sylhet

S. M. L. RAHMAN
Citrus Research Station, Bangladesh Agricultural Research Institute, Jaintapur, Sylhet

Abstract/ Executive Summary:

The experiment was conducted at CRS, Jaintiapur, Sylhet during 2017-18 with five Burmese grape germplasm viz., BS Jai-001, BS jai-002, BS Jai-003, BS Jai-004 and BS Jai-005. A wide variation was observed in case of growth, yield contributing characters, yield and fruit quality of the germplasm studied. The highest plant height was recorded in BS Jai-005 (8.9 m) while the lowest in BS Jai-004 (5.5 m). Base girth was the highest in BS Jai-005 (1.5 m). BS Jai-005 was also superior with the biggest canopy (12.0×13.0 m). The highest number of fruits/plant (2730), yield/plant (48.32 kg) and yield/ha (27.3t) was obtained from BS Jai-003. BS Jai-003 was also free from disease whereas the others suffer from powdery mildew and sooty mould. Chaper beetle was common in case of all the germplasm but BS Jai-001and BS Jai-003 was free from fruit borer. The largest fruit was recorded in BS Jai-003 (3.2×3.5 cm) followed by BS Jai-001 (3.2×3 cm). Flesh color and texture for all germplasm was off white and juicy respectively. Maximum edible portion (35.03%) and per cent TSS (13.8%) was found in BS Jai-003.

Keywords: Lotkon, Citrus, Fruit, Insect pests, Boric acid

Location: Citrus Research Station, Bangladesh Agricultural Research Institute, Jaintapur, Sylhet, Bangladesh

Start Date: 00-00-2018

End Date: 00-00-2019

Program Area: Crop-Soil-Water Management

Commodity: Citrus

Objectives:

The study was unertaken to reduce the demand of good varieties of lotkon.

Methodology:

The experiment was conducted at Citrus Research Station, Bangladesh Agricultural Research Institute, Jaintapur, Sylhet. Five lotkon germplasm was included in the study. These plants are around 10 years old and bear fruit regularly. At the beginning of the experiment the plants were rejuvenated by pruning of dead and diseased branches, freed them from parasitic plants, algae and lichen. Therefore, the trunks were painted with Bordeaux paste to avoid fungal infection. The plants were fertilized with 30 kg cow dung, 1 kg urea, 1 kg TSP, 750 g MoP, 200 g gypsum, 50 g Zinc sulphate and 20 g boric acid in two equal splits one in the month of July and another after rainy season in the month of October (Mandol et al,.2014).`The plants were infested by chaper beetle twice in the month of July and September. Hence two full cover spray of Cypermethrin (Cymcare 10 EC @ 1ml/L of water) was applied. Three hand weeding was done throughout the rainy season to avoid loses of soil nutrients by weed and also to destroy the harbor of insect pests. Data were taken on growth, yield and fruit characters. Fruit quality data were analyzed by MSTAT-C computer programme and DMRT was performed for interpretation of results (Gomez and Gomez, 1984).

Source of Information: Annual Research Report 2018-2019, Fruit Research Farm of HRC, BARI, Gazipur

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Considering all the parameters BS Jai- 001 and BS Jai-003 are the superior line among the germplasm tested. BS Jai-001 and BS Jai-003 were free from powdery mildew or sooty mold and also free from fruit borer infestation which gives these lines superiority. Therefore, BS Jai-001 and BS Jai-003 are the promising to be released as a variety of lotkon.

Knowledge Management: Report/Proceedings