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Performance of an Outstanding Chance Seedling of BARI Aam-4 (hybrid)

Md. Zamir Uddin
Senior Scientific Officer
Regional Horticulture Research Centre, Chapai Nawabgonj

Abstract/ Executive Summary:

BARI Aam-4 is an outstanding mango hybrid developed from Ashwina and 3896. Both of the mothers were in highly heterozygous condition. So, a wide variation in the F₂ generation was exhist. In this point of view, 100 seedling of BARI Aam-4 were planted in RHRS,Chapai Nawabgonj during 2005. Among them one seedling performed better and evaluated last 3 years. The tree habit of this Chance Seedling was spreading in nature and was found regular bearing. During the fruiting season of 2014, the tree volume of was found 101.72 m³ and produced 155.00 fruits. Among the different studied characters, fruit weight, fruit yield, edible portion and TSS were recorded and those were 575.00 g, 89.13 kg, 80.00%, and 24.00%, respectively. No fruit fly infestation was recorded at the time of harvest. Chance seedling was exhibited 20% anthracnose infestation, but free from stem end rot. At moor temperature, the shelf life of fruits was found 6-8 days.

Keywords: Performance, Outstanding, Chance seedling, BARI Aam-4

Location: Regional Horticulture Research Centre, Chapai Nawabgonj

Start Date: 01-09-2013

End Date: 30-08-2014

Program Area: Variety and Species

Commodity: Mango

Objectives:

Study the performance of chance seedling of BARI-Aam 4.
To identify the superior chance seedling germplasm derived from BARI-Aam 4.
Developed new variety of mango.

Methodology:

One hundred stones of BARI Aam-4 were collected and sowed in the seedbed at RHRS,Chapai Nawabgonj in 2005. After germination, the seedlings were evaluated regarding morphological and physical characters. Among them one seedling performed better. This outstanding Chance seedling was also evaluated this year. Cultural operations such as fertilization, weeding, irrigation and plant protection operation were done as and when necessary. Fertilizers were applied as per recommendation (Hossain, 1989 a). Irrigation was applied twice once at panicle stage and another at pea stage in Basin method. Cypermethrin (Ripcord 10EC) @ 1 ml and Mencozeb (Dithane M-45) @ 2 g per liter of water were sprayed with the help of a power sprayer, at panicle and pea stage of fruits to control mango hoppers and anthracnose. Fruits were harvested at proper maturity and following quantitative characters: fruit weight, fruit size, stone weight, stone size, TSS and edible portion, and qualitative characters: colour at ripening stage, pulp colour and peeling quality were recorded. Data on insect pests and diseases incidence in natural conditions were recorded. Post harvest behaviour of fruits stored at normal room temperature was also recorded. The mean data were statistically analyzed.

Source of Information: Research report on Horticultural Crops 2013-14. Horticulture Research Centre, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur-1701.

Article Link (Online Journal):

Funding Source:

1. Government

Budget: 15000/-

Total Budget (Tk.) : 15000/-

Achievement/Findings:

Considering overall performances like yield, number of fruits, single fruit weight, percent edible portion, skin colour, shape of fruit, total soluble solids (TSS) and organoleptic taste the Chance Seedling of BARI Aam 4 was appeared superior. Compair between Chance Seedling and BARI Aam-4 regarding colour, shape and organoleptic taste the Chance Seedling was found superior over BARI Aam 4.

Knowledge Management: Report/Proceedings