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Evaluation of Mosquito Net Barrier on Cucurbit Seedling with Other Chemical, Mechanical and Botanical Approaches for Suppression of Red Pumpkin Beetle Damage in Cucurbit

A. K. M. KHORSHEDUZZAMAN
Entomology Section, HRC, Bangladesh Agricultural Research Institute (BARI), Gazipur, Bangladesh.

Z. NESSA
Entomology Section, HRC, Bangladesh Agricultural Research Institute (BARI), Gazipur, Bangladesh.

M. A. RAHMAN
Entomology Section, HRC, Bangladesh Agricultural Research Institute (BARI), Gazipur, Bangladesh.

Abstract/ Executive Summary:

Seedling bed netted with mosquito net barrier against red pumpkin beetle, Aulacophora foveicollis (Lucas) in sweet gourd was evaluated with other chemical, mechanical, and botanical approaches during 2006-07 and 2007-08 cropping seasons. Among six treatments, results indicated that seedling bed of sweet gourd covered with mosquito net barrier upto 45 days before planting was found to be most effective and provided 97.59 and 100% protection with higher benefit cost ratio of 21.99 compared to 9.74 with Furadan 5G applied in soil; as of 4.35 using neem seed oil for the average of two years applied against red pumpkin beetle.

Keywords: Mosquito net barrier, Cucurbit, Pumkin beetle.

Location: Vegetable research field of Horticulture Research Centre in Joydebpur, BARI

Start Date: 00-00-2006

End Date: 00-00-2008

Program Area: Pest Management

Commodity: Cucurbit

Objectives:

Many studies have been made for controlling red pumpkin beetle in field level mostly with insecticides. But none could produce appreciable level of protection. It is thus essential to develop a low cost, effective and eco-friendly approach for management of this pest. Protection of cucurbit seedlings from red pumpkin beetle with mosquito net barrier, a chemical, mechanical and some botanicals were assessed.

Methodology:

The experiment was conducted in vegetable research field of Horticulture Research Centre in Joydebpur during 2006-07 and 2007-2008 cropping seasons. Six treatments viz., soil application with Furadan 5G @ 5 g/plant at 3 days before planting, mechanical control with sweeping net at 3 days interval for 45 days, spraying neem seed oil @l0ml/l+5m1 trix (detergent) at 7 days interval, spraying neem seed karnel extract @ 50g/l of water at 7 days interval, seedling bed covered with mosquito net barrier upto 45 days old seedlings and an untreated control were used. Treatment materials were collected from local market of Gazipur and neem seed oil and neem seeds were collected from Chapai Nawabgonj. The experiment was laid out in a randomized complete block design with 3 replications in field. Unit plot size was l0m × 3m with 2m inter plot distance. Seeds were sown in poly-pots in an open floor seedbed. The treated seedling bed with mosquito net barrier was applied before germination aside of the whole seedbed. Twenty five days old seedlings were transplanted into the main field except those under mosquito net barrier (45 days old seedlings were planted 20 days later) in mid January. Other treatments were applied in the main field as described in the treatment application. Standard planting density and cultivation procedures were followed for sweet gourd to raise a good crop following Anonymous (2006) and Rashid (1993). Number of infested seedlings’ leaf area consumed was recorded in both the nursery bed and main field. The date of first flowering, number of total flowers and yield of marketable fruits were recorded. Data were analyzed by computer based MSTAT-C program and means were separated using least significant difference (LSD) test. Data were further calculated based on original data to show the effectiveness of the treatments variation. Benefit cost ratio was calculated on the basis of cost incurred for individual treatment following the procedure by Ali and Karim (1991). Costs of treatments incurred for materials and labourer for preparation and application of treatments were calculated following Anonymous (1986 and 1994). In these studies, it was noted that cost of pest management and types of interventions were strictly maintained and purposefully made similar in both the years.

Source of Information: Bangladesh J. Agril. Res. 35(3) : 395-401, September 2010, ISSN 0258-7122

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Among six treatments, results indicated that seedling bed of sweet gourd covered with mosquito net barrier upto 45 days before planting was found to be most effective and provided 97.59 and 100% protection with higher benefit cost ratio of 21.99 compared to 9.74 with Furadan 5G applied in soil; as of 4.35 using neem seed oil for the average of two years applied against red pumpkin beetle.

Knowledge Management: Journal