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Evaluation of Some Control Methods Against the Jackfruit Trunk Borer, Batocera Rufomaculata De Geer (cerambycidae: Coleoptera)

K. U. Ahmed*
Tuber Crops Research Centre, Bangladesh Agricultural Research Institute, Gazipur-1701, Bangladesh

M. M. Rahman
Department of Entomology, Bangabandhu Sheikh Mujibur Rahman Agriculture University, Gazipur-1706, Bangladesh.

M. Z. Alam
Department of Entomology, Bangabandhu Sheikh Mujibur Rahman Agriculture University, Gazipur-1706, Bangladesh.

M. M. Hossain
Department of Horticulture, Bangabandhu Sheikh Mujibur Rahman Agriculture University, Gazipur-1706, Bangladesh.

M. G. Miah
Department of Agroforestry and Environment, Bangabandhu Sheikh Mujibur Rahman Agriculture University, Gazipur

Abstract/ Executive Summary:

The study was conducted on effectiveness of different management practices of the trunk borer infestation in farmers’ jackfruit orchards at Kapasia upazila under Gazipur district of Bangladesh during 2009-2010. Among the ten treatments, the T5 (placing aluminium phosphide + sealed hole with bordeaux paste) ensured the highest (83.33 %) control of infestation and the highest increase in yield (51.30%) over the control. The cost: benefit of T6 (placing aluminium phosphide into the hole + sealing the hole with cow dung) (1:10.21) was higher than T5 (1: 7.75) but in terms of infestation control and total yield T5 was higher than T6.

Keywords: Jackfruit, Trunk borer, Management.

Location: Farmer’s jackfruit orchard in Kapasia Upazila under Gazipur district of Bangladesh

Start Date: 00-00-2009

End Date: 00-00-2010

Program Area: Pest Management

Commodity: Jackfruit

Objectives:

The present study was undertaken and designed to evaluate the effectiveness of some non-chemical and chemical control methods and identify the best method in terms of effectiveness and economic analysis for the management of the jackfruit trunk borer.

Methodology:

The field experiment was conducted at farmer’s jackfruit orchard in Kapasia Upazila under Gazipur district of Bangladesh during 2009-2010. The experiment was laid in Randomized Block Design (RBD), with six replications and ten treatments. One jackfruit tree was considered as one replication of a treatment. Around 20 to 30 -year old infested trees were used. The treatments were: T1= injection of petrol into the hole by using syringe + sealing of the hole with Bordeaux paste; T2= injection of petrol into the hole + sealing of the hole with cow dung; T3= injection of kerosene into the hole + sealing of the hole with bordeaux paste; T4= injection of kerosene into the hole + sealing of the hole with cow dung; T5= placing aluminium phosphide into the hole + sealing of the hole with Bordeaux paste; T6= placing aluminium phosphide into the hole + sealing the hole with cow dung; T7= injection of dursban 20 EC @ 2ml/ litre water into the hole; T8= injection of cypermethrin (Ripcord 10 EC) @ 1ml/ liter water into the hole; T9= inspection of orchard at 15 days interval + cutting open the tunnel with help of chisel and sharp haft knife + hooking the hole by sharp iron rod; and T10= untreated control. Each treatment was applied twice in a year. The following observations were made: external features of the holes, the grass on the ground, the fresh bleeding sap around the holes and the number of fresh holes. The hole was counted at 2m height of each trunk from the soil level. The performance of each treatment was explained in terms of healing hole and recovery of the damage of infested trees, increase of yield over control and the Benefit-Cost Ratio (BCR). The efficacy of different treatments were grouped into four classes (I, II, III and IV) to represent the state of larval activity, with corresponding values (v) of 3, 2, 1 and 0 to calculate the degree of control (Sheng-ying et al., 2009). The data were analyzed through MSTAT-C software in single factor Randomized Complete Block Design (RCBD), and Duncan’s Multiple Range Test (DMRT) was used to separate means.

Source of Information: Bangladesh J. Zool. 41(2): 181-187, 2013

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Among the ten treatments, the T₅ (placing aluminium phosphide + sealed hole with bordeaux paste) ensured the highest (83.33 %) control of infestation and the highest increase in yield (51.30%) over the control.

Knowledge Management: Journal