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Baseline Survey of Jackfruit (artocarpus Heterophyllus) Trunk Borer (bacocera Rufomaculate) Infestation and Management Options in Agroforestry System of Bangladesh

K. U. Ahmed
Tuber Crops Research Centre, Bangladesh Agricultural Research Institute (BARI), Gazipur, Bangladesh

M. M. Rahman
Department of Entomology, Bangabandhu Sheikh Mujibur Rahman Agricultural University (BSMRAU), Gazipur, Bangladesh.

M. Z. Alam
Department of Entomology, Bangabandhu Sheikh Mujibur Rahman Agricultural University (BSMRAU), Gazipur, Bangladesh.

M. M. Hossain
Department of Horticulture, Bangabandhu Sheikh Mujibur Rahman Agricultural University (BSMRAU), Gazipur, Bangladesh.

M. G. Miah
Department of Agroforestry and Environment, Bangabandhu Sheikh Mujibur Rahman Agricultural University (BSMRAU), Gazipur, Bangladesh.

Abstract/ Executive Summary:

A field survey was conducted during 2009 to 2010 in three districts (Gazipur, Gaibandha, and Khagrachhari) of Bangladesh to know the existing situation of trunk borer infestation of jackfruit orchard in agroforestry system. Sixty farmers (20 from each district) were interviewed and their orchards were inspected. Average age of the respondent was 46.48 years, while farming experience was 25.45 years. The field survey revealed that the average farm size varied from 0.15 to 3.23 ha. Education level was primary to bachelor degree and average annual income was Tk. 140.33 thousand. Farmer’s age and experience was positively correlated (r = 0.43, r = 0.56, respectively) with the attitude towards IPM practices. Seventy five percent respondents opined that alternative host (woody and fruit plant) of Moraceae family grown with jackfruit trees may cause trunk borer problem. For trunk borer management, 60% of farmers opened the tunnel and cut the trunk by sharp haft knife (Dau) and killed larva by hand. 48.33% farmers applied kerosene and cowdung into the hole. Among the different crop combinations, farmers obtained the highest extra income from Jackfruit + Zinger crop combinations (Tk. 692505/ha) by using the inter-spaces of jackfruit orchard.

Keywords: Jackfruit trunk borer, Infestation, Management.

Location: Gazipur, Gaibandha, and Khagrachhari disricts, Bangladesh

Start Date: 00-00-2009

End Date: 00-00-2010

Program Area: Farming System

Commodity: Jackfruit

Objectives:

Objective of this study was to investigate farmers’ awareness about jackfruit trunk borer, existing situation of infestation in jackfruit based agroforestry system, how they control it and financial loss due to attack.

Methodology:

The information of the study was collected from primary sources. An interview schedule was prepared for data collection based on the objectives of the study. Data was collected from randomly (purposive) selected jackfruit orchard (20 owners from each location in three important selected jackfruit growing districts (Gazipur, Gaibandha, and Khagrachhari) of Bangladesh during 2009 to 2010. The farm operator or head of the family was interviewed for all cases and simultaneously homestead and orchard were visited by the researcher. Farms differ according to size and quality of used resources and farmers differ according to their modes, habits, methods, and practices of cultivation and pest management. Not all farmers follow exactly the same practices of cultivation and also pest management. So all these aspects were taken into consideration in selecting study areas. Data were collected through homestead/orchard survey by making direct interview with the farmers. All the collected data were coded, tabulated, checked, and analyzed by using descriptive statistical methods including the computer-based statistical package SPSS 13 version suitable for survey data analysis, Microsoft Excel and MSTAT-C. For effectiveness and/or impact assessment, different farmers’ practices were considered as treatments and the three districts were considered replications for output of all of the three districts together, while the three villages under each district were considered as replications for the respective district data analysis. The mean values of all the characters were evaluated, and analysis of variance (ANOVA) was performed by the “F” (variance ratio) test and student’s “T” test using MSTAT-C program. The significance of the difference among the different combinations for different characters was estimated by Dancan’s Multiple Range Test (DMRT) at 5% and 1% level of probability (Gomez and Gomez 1984).

Source of Information: Ann. Bangladesh Agric. (2014) 18 (1): 61-75; ISSN 1025-482X.

Article Link (Online Journal):

Funding Source:

1.

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The results were found a higher gross return from intercropping than their corresponding sole crop. Another reason might be that farmers of Bangladesh usually harvest to get advantages of fruit yield of jackfruit in the season (May to July) but they are not practicing any fertilizer or irrigation in their sole jackfruit orchard during the dry season. But when they grow intercrop on the inter-spaces of jackfruit trees, they apply fertilizer and irrigation for better production of intercrop. This extra management result in increased yield of both sole crop and intercrop. Some literature suggests that the application of fertilizer and irrigation before flower initiation stage could boost up the yield of fruit trees.

Knowledge Management: Journal