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Studies on Physico-morphological Characteristics and Yield of Some Mango Hybrid Lines

M.Z. Uddin
Regional Horticulture Research Station, Chapai Nawabgonj,

M.S. Islam
Regional Horticulture Research Station, Chapai Nawabgonj,

M.G. Mortuza
Regional Horticulture Research Station,Ishurdi

M.A.J. Bhuyan
Horticulture Research Center, Bangladesh Agricultural Research Institute, Gazipur

M. AL-Amin
Horticulture Research Center, Bangladesh Agricultural Research Institute, Gazipur

Abstract/ Executive Summary:

An experiment was carried out with10 mango hybrids namely Hybrid-001, Hybrid-002, Hybrid-003, Hybrid-004, Hybrid-005, Hybrid-006, Hybrid-009, Hybrid-010, Hybrid-011 and Hybrid-012 at Regional Horticulture Research Station, Chapai Nawabgonj during the fruiting season of 2004 to know the detailed information on plant growth, leaf, inflorescence, fruit characteristics and yield. Among 10 hybrid mango lines, the highest tree volume (155.06 m3) was recorded in Hybrid-006 and the lowest (7.59 m3) in Hybrid-012. The tallest (7.1m) plant was obtained in Hybrid-011 and the shortest (3.00 m) was in Hybrid-012. The longest (28.63 cm) and widest (6.91 cm) leaves were recorded in Hybrid-010 while the shortest (14.61 cm) and narrowest (3.80cm) were noted in Hybrid-009. The longest (34.4 cm) inflorescence was produced by Hybrid-005 and the shortest (23.20 cm) by Hybrid-009.All the mango hybrid lines produced more than16 % perfect flowers with the highest (30%) in Hybrid-001. Hybrid-011 produced dark red inflorescence while other produced light green to light red. Hybrid-003 and Hybrid-010 produced bright yellow fruits at ripen while others produced green or greenish yellow to yellow fruits. The heaviest fruit was obtained from Hybrid-010. The highest (27%) total soluble solid was recorded in Hybri-005 while the lowest (20.40%) in Hybrid-010. The highest (72.82%) edible portion was observed in Hybrid-009. Number of fruits (67) as well as yield (33.26 kg) was highest in Hybrid-004 and Hybrid-010, respectively.

Keywords: Growth, Leaf, Inflorescence and fruit characteristics, Yield, Hybrid and mango

Location: Regional Horticulture Research Station, Chapai Nawabgonj

Start Date: 00-03-2004

End Date: 00-07-2004

Program Area: Variety and Species

Commodity: Mango

Objectives:

1. To record detailed information on plant growth, leaf, inflorescence and fruit characteristics and yield of 10 mango hybrid lines grown at Chapai Nawabgonj.

Methodology:

The experiment was carried out at Regional Horticulture Research Station (RHRS), Chapai Nawabgonj under the AEZ no.11 (High Ganges River Floodplain) during 2004. Ten mango hybrid lines were included in the study for evaluation. The hybrid lines were Hybrid-001 (Ashwina X M-3896), Hybrid-002 ( Ruby X BARI Aam 1), Hybrid-003 (Palmar X BARI Aam 1), Hybrid-004 (M-3836 X Khirsapat ), Hybrid-005 (Ashwina X M-3896), Hybrid-006 (Ruby X BARI Aam 1), Hybrid-009 (Ashwina X M-3896), Hybrid-010 ( Ruby X BARI Aam 1), Hybrid-011 (Khirsapat X Ruby) and Hybrid-012 ( Kent X BARI Aam 1). The mango hybrid lines were developed in the year 1993. Hybrid fruits were harvested at proper maturity from the mother plant and the stone (F1 seeds) were sown in earthen pot for germination. Proper care was taken to raise the seedlings. Finally, one year old seedlings were transplanted to the main field in 1994 for evaluation. These 10 mango hybrid lines were considered as the experimental treatments. A single plant constituted a replication and both the distances between plant to plant and row to row were 8mX 8m. The soil was silty clay loams in texture belonging to the High Ganges Floodplain (BARC, 2005) series having pH 6.0- 8.1. During data collection age of the plants was 10 to11 years. The trees were fertilized as per schedule described by Hossain (1989a). Ripcord 10EC @ 1 ml and Dithane M-45 @ 2 g per liter of water was sprayed with the help of a power sprayer, at panicle and pea stage of fruits to control mango hoppers and anthracnose as per recommendation. Intercultural operations (viz. weeding, mulching etc. were done as and when necessary. Girth of the trunk was measured at a height of 15 cm from ground level and tree volume was calculated as tree volume = 1/6p X height X (2r)2 where, 2r = (east-west + north-south canopy spread)/2. Data on morphological as well as physical and other fruit characters like tree volume (m3), tree height (m), base girth (cm), growth, tree habit, different leaf, inflorescence, quantitative and qualitative characters, number of fruit / tree and yield / tree (kg) were recorded in proper time. Leaf area was measured by using the formula L X B X 0.767 where L is length of lamina, B is breadth of lamina and 0.767 is the correction factor. Yield was calculated by multiplying the number of fruits at harvest and average fruit weight. All the data were recorded following mango descriptor. In hybridization, one hybrid plant was obtained from each cross. So, only mean, Sd and CV (%) were used.

Source of Information: J. Agrofor. Environ. 5 (1): 131-134, 2011; ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The present study revealed that considering overall performances especially yield, number of fruits and even percent edible portion, colour, eating quality and total soluble solids (TSS), Hybrid-010, Hybrid-011, Hybrid-009 and Hybrid-004 were the best among the mango hybrid lines grown at Chapai Nawabgonj conditions.

Knowledge Management: Journal