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Effect of Planting Material on the Growth and Yield of Elephant Foot Yam (amorphophallus Campanulatus Bl.)

M.S. Hossain
Department of Horticulture, Bangladesh Agricultural University, Mymensingh 2202.

M.S.H. Choudhury
Department of Horticulture, Bangladesh Agricultural University, Mymensingh 2202.

M.H. Rahman
Department of Horticulture, Bangladesh Agricultural University, Mymensingh 2202.

M.I. Hoque
Department of Environmental Science, Bangladesh Agricultural University, Mymensingh 2202

M.A. Amin
Department of Soil Science, Bangladesh Agricultural University, Mymensingh 2202.

Abstract/ Executive Summary:

The present experiment was carried out to investigate the effect of planting material on the growth and yield of elephant foot yam at the Horticulture Farm of Bangladesh Agricultural University, Mymensingh during the period from April to August, 2012. Four types of planting materials viz. large corm (250±1g), small corm (100±1g), large cormel (35±1g) and small cormel (20±1g) were taken into consideration for the investigation. The experiment was laid out in Randomized Complete Block Design (RCBD) with 3 replications. The minimum time required for emergence of plant (27.35 days) with the highest plant height (71.70cm), number of side shoots (6.00), length of leaf blade (51.29cm), length (49.73cm) and diameter (3.80cm) of pseudostem, fresh (791.68gm) and dry (81.08gm) weights of leaves, length (13.59cm) and diameter (16.03cm) of corm, fresh weights of corm (1254.4gm),yields per plot (24.93kg) as well as yield per hectare (41.56t/ha) were observed in planting large corm (250±1g) while small cormel (20±1g) required the highest time for emergence of plant (31.88 days) with the lowest plant height (37.73cm), number of side shoots(2.18), length of leaf blade (29.46cm), length (25.28cm) and diameter (1.60cm) of pseudostem, fresh (146.46gm) and dry (11.72gm) weights of leaves, length (6.50cm) and diameter (6.44cm) of corm, fresh weights of corm (139.26gm), yields per plot (2.86kg) and per hectare (4.77t/ha). Considering these parameters the large sized seed corm (250±1g) appeared to be recommendable.

Keywords: Elephant foot yam, Growth and yield.

Location: Horticulture Farm of Bangladesh Agricultural University, Mymensingh

Start Date: 00-04-2012

End Date: 00-08-2012

Program Area: Variety and Species

Commodity: Yam

Objectives:

1. To determine its optimum size for planting and consequently getting higher yield of crop. It was reported that positive response on the yield was obtained due to use of larger seed of taro in Bangladesh the optimum size of planting material have not yet been standardized for elephant foot yam and, therefore, the study was taken to observed the effect of planting material on the growth and yield of elephant foot yam.

Methodology:

The research work was carried out at the Horticulture Farm, Bangladesh Agricultural University, Mymensingh during the kharif season of 2012, which is situated at 24.6°N latitude and 90.5°E longitude with a view to study the effect of planting materials on the growth and yield of Elephant foot yam. The soil of the experimental area was silty loam in texture belonging to the Old Brahmaputra Flood Plain of AEZ 9 having non-calcareous Dark Grey Flood Plain soil. The selected plot of the land was medium high land. It was fertile and well drained and slightly acidic with the pH varying from 5.5 to 6.8. The experimental area is situated under the sub-tropical monsoon climate, which is characterized by high temperature and heavy rainfall during the months of April to August and scanty rainfall associated with moderately low temperature during the rest period of the year. The treatments were large corm (250±1g), small corm (100±1g), large cormel (35±1g) and small cormel (20±1g). The experiment was laid out in the Randomized Complete Block Design (RCBD) with three replications. As the experiment was replicated thrice, the total number of unit plots was 36. The size of unit plot was 3m × 2m. A spacing of 0.5 m was provided between the plots and 0.75 m spacing was provided between two blocks. Statistical analyses were done following methods outlined by Gomez and Gomez with the help of computer package M-STAT-C.

Source of Information: J. Agrofor. Environ. 8 (1): 109-113, 2014; ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The different sizes of planting material had a significant variation in the yield per hectare. The highest yield per hectare (41.56 tons/h) was obtained from the large sized seed corm followed by small corm (27.43 tons/h) and the lowest yield (4.77 tons/h) was form the small sized seed cormel followed by large cormel (6.86 tons/h). From the present study it is obvious that planting materials had significant effect on all growth parameters and yield of elephant foot yam.

Knowledge Management: Journal