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Performance of Cucumber in Combination with Lohakat Tree as Agroforestry System

M. K. Hasan
Department of Agroforestry, Bangladesh Agricultural University, Mymensingh-2202

M.A. Islam
Department of Agroforestry, Bangladesh Agricultural University, Mymensingh-2202

Z. Alam
Department of Agroforestry, Bangladesh Agricultural University, Mymensingh-2202

M.A. Wadud
Department of Agroforestry, Bangladesh Agricultural University, Mymensingh-2202

Abstract/ Executive Summary:

A field experiment was conducted at the Agroforestry Farm of Bangladesh Agricultural University, Mymensingh, during the period from March 2013 to June 2013with the aim of evaluating the growth performance of cucumber (Cucumis sativus) grown in combination with five years old Lohakat (Xylia dolabriformis) trees. The experimental design was followed by Randomized Complete Block Design (RCBD) with three replications. Different distances from tree base viz. 0-0.75m, 0.75-1.5m were treatments of this study. There is a control treatments i.e., without tree condition or open field. The individual plot size was 6m x 2m and each plot contains two lohakat tree maintain 3m distance from one to another. In this study growth and yield of cucumber was observed as fruit production purpose. Growth and yield of cucumber in association with Lohakat tree was remarkably decreased with decreasing distance towards the tree base and the variation was very wide near the Lohakat tree base compare to open field condition. The result showed that morphological characteristics viz., vine length (cm), no. of leaves per plant, leaf size, leaf area (cm²), number of branch per plant, number of flower per plant, number of fruit per plant, fruit length (cm), fruit girth (cm), fruit weight (g) of cucumber was less vigorous near the Lohakat tree base. Highest number of flower per plant (36), fruit per plant (25) and percent fruit setting (69.44%) was in open field condition which were almost identically obtained in 0.75-1.5m distance area (29.5, 18 and 61.01%) and lowest value was recorded in 0-0.75m distance area (20.5,9.5 and 46.34%) from tree base. Maturity period of cucumber fruit ranges 13-25 days was decreased with decreasing distance from tree base and average maturity period was 18.0 days. Cucumber fruit harvest starts from the month of May but it was optimum in June and after that it gradually reduced up to July. Individual fruit weight was highest in open field condition (109.7g) followed by 0.75-1.5m (78.5g) and 0-0.75m (59.8g) distance area from Lohakat tree base. Yield of fruit was highest in open field condition 4.69 t/ha which was 41.57 and 53.28% lower in 0.75-1.5m and 0-0.75m distance area from Lohakat tree base, respectively.

Keywords: Cucumber, Lohakat, Silviagricultural system and Agroforestry.

Location: Agroforestry Farm of Bangladesh Agricultural University, Mymensingh

Start Date: 00-03-2013

End Date: 00-06-2013

Program Area: Farming System

Commodity: Lohakat, Cucumber

Objectives:

1. To evaluate the yield performance of cucumber in association with Lohakat tree, and to estimate the optimum distance of planting cucumber in association with Lohakat tree.

Methodology:

Study site and location: The experiment was carried out at the experimental farm in the project field under Department of Agroforestry in Bangladesh Agricultural University, Mymensingh during the period from July 2012 to April 2013. The place is geographically located between 24⁰75´ North latitude and 90⁰50´ East Longitude. Soil characteristics: The soil of the experimental area was a medium high land belonging to the Old Brahamaputra Floodplain Agro Ecological Zone-9. The texture of the soil is silty loam having pH 6.7. The topography of the field was medium high land above flood level. Climate and weather: The climate of the location was characterized by relatively high temperature and heavy rainfall during Kharif of summer season (April to October) and low temperature and little rainfall during Rabi or winter season (November to March). Tree and plant materials: In this study the six years old previously established Xylia dolabriformis tree were used as tree components. The seeds of Cucumber variety viz., chokoria were purchased from krishibid seed store, Notun Bazar, Mymensingh Town. Experimental design and treatment combination: Summer crop cucumber was laid out following the Randomized Complete Block Design (RCBD) with single factorial arrangement with three replications. Individual plot size was 6m x 2m. Each treatment was replicated 3 times. Three treatments were T₁ (0.75-1.5m distance from the tree base), T₂ (0-0.75m distance from the tree base) and T₀ (Open field referred to as control) Sampling procedure and data collection: Cucumber plants were randomly selected for data collection. The parameter such as Plant height (cm), Number of primary branches/plant, Number of leaves/primary branches, Number of fruits/plant, Weight/fruits (g) and Fresh and Dry weight of fruits (t/ha). Data analysis: The analysis of variance for each of the studied character was done by F (variance ratio) test following Randomized Complete Block Design. The mean differences were evaluated finally by Duncan Multiple Range Test (DMRT) at 5% and 1% level of significance.

Source of Information: J. Agrofor. Environ. 8 (2): 135-138, 2014; ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The result showed that morphological characteristics viz., vine length (cm), no. of leaves per plant, leaf size, leaf area (cm²), number of branch per plant, number of flower per plant, number of fruit per plant, fruit length (cm), fruit girth (cm), fruit weight (g) of cucumber was less vigorous near the Lohakat tree base. Highest number of flower per plant (36), fruit per plant (25) and percent fruit setting (69.44%) was in open field condition which were almost identically obtained in 0.75-1.5m distance area (29.5, 18 and 61.01%) and lowest value was recorded in 0-0.75m distance area (20.5,9.5 and 46.34%) from tree base. Maturity period of cucumber fruit ranges 13-25 days was decreased with decreasing distance from tree base and average maturity period was 18.0 days. Cucumber fruit harvest starts from the month of May but it was optimum in June and after that it gradually reduced up to July. Individual fruit weight was highest in open field condition (109.7g) followed by 0.75-1.5m (78.5g) and 0-0.75m (59.8g) distance area from Lohakat tree base. Yield of fruit was highest in open field condition 4.69 t/ha which was 41.57 and 53.28% lower in 0.75-1.5m and 0-0.75m distance area from Lohakat tree base, respectively.

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