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Performance of Bilati Dhonia (eryngium Foetidum L.) Under the Canopy of Different Tree Species

M. MONIRUZZAMAN
Senior Scientific Officer (Horticulture)
ARS, Bangladesh Agricultural Research Institute (BARI), Raikhali, Chandraghona, Rangamati Hill District

A. K. M. QAMRUZZAMAN
Senior Scientific Officer
Vegetable Section, HRC, BARI, Gazipur, Bangladesh

Abstract/ Executive Summary:

Performance of ‘Bilati Dhonia’ (Eryngium foetidum L.) grown under the shades of different tree species, namely guava, jackfruit, mango, jujube, and farmers’ practice (grown under artificial shade) was evaluated at the Agricultural Research Station, Raikhali, Rangainati Hill District during two consecutive years of 2004-05 and 2005-06. The results revealed that plant height, leaf length, number of leaves per plant and fresh weight per plant were significantly higher under the canopies of various trees and farmers’ practice than those grown under direct sun light. Different growth characters were better under the shades of jackfruit and guava trees than those of other species. Periods to first and 50% flowering under tree species were longer than that under direct sunlight. The highest fresh yield (mean of two years) of ‘Bilati Dhonia’ was found in the farmers’ practice (27.58 t/ha), which was similar to those under guava (27.31 t/ha) and jackfruit trees (27.51 t/ha).

Keywords: Bilati Dhonia (Eryngium foetidum L.), Tree shades, Hilly area

Location: Agricultural Research Station, Raikhali, Rangamati Hill District

Start Date: 00-00-2004

End Date: 00-00-2006

Program Area: Crop-Soil-Water Management

Commodity: Coriander

Objectives:

To determine the feasibility of growing ‘Bilati Dhonia’ crop under the shades of tree fruit species.

Methodology:

The experiment was conducted at the Agricultural Research Station, Raikhali, Rangamati Hill District during two consecutive years 2004-05 and 2005-06. The treatments consisted of shades of Guava trees (T₁), Jackfruit trees (T₂), Mango trees (T₃), Jujube trees (T₄) and farmers’ practice (T₅) and direct sun light (T₆). Different fruit orchards were located in different places of the same research station. The two treatments, direct sun light and farmers’ practice were placed in hill valley close to each other. In the treatment of farmers’ practice, the shade was provided over the crop by trellises made with coconut leaf and bamboo slices. The experiment was laid out in RCB with 5 replications. The unit plot consisted of two beds, each measuring 2 m × I m with 30 cm distance between two beds. The crop was fertilized with 150 kg nitrogen (in the form of Urea), 72 kg P₂O₅ (in the form of TSP), 100 kg K₂O (in the form of MP) and 10-ton cowdung per hectare. Seeds were sown on 12 December 2004. Soon after sowing, seed beds were covered by rice straw. Full amount of cowdung, TSP, and half the quantity of MP were applied during final land preparation. The remaining Urea was applied in 6 equal installments. First top dressing of urea was done when the plants attained 2-3 cm in height and next 5 top dressings, after 1st, 2nd, 3rd 4th and 5 th harvests of the crop. In each harvest, the taller plants were harvested by uprooting. Necessary cultural operations were done as and when required. ‘Bilati Dhonia’ was harvested from all the plots at an interval of 25 days. Samples (10 plants from each plot) were collected at 115, 150, 175, 200, 225 and 250 days after sowing (DAS), respectively, for measuring plant height, number of leaves per plant, leaf size (length x width), fresh weight per plant. Then the average of each parameter from 6 harvests was calculated. Plant population was measured from cumulative number of 6 harvests from 1m² area. Data for 1st and 50% flowering were also recorded. For every harvest, plot yield was calculated and then converted to per hectare yield. The cumulative yield of 6 harvests was regarded as total yield of ‘Bilati Dhonia’. Data were analyzed statistically and the treatment means were separated by LSD test at 5% level of probability.

Source of Information: Bangladesh J. Agril. Res. 36(1) : 255-262, March 2011, ISSN 0258-7122

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The results revealed that plant height, leaf length, number of leaves per plant and fresh weight per plant were significantly higher under the canopies of various trees and farmers’ practice than those grown under direct sun light. Different growth characters were better under the shades of jackfruit and guava trees than those of other species. Periods to first and 50% flowering under tree species were longer than that under direct sunlight. The highest fresh yield (mean of two years) of ‘Bilati Dhonia’ was found in the farmers’ practice (27.58 t/ha), which was similar to those under guava (27.31 t/ha) and jackfruit trees (27.51 t/ha).

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