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Evaluation of Ipm Modules Against Pod Borer, Helicoverpa Armigera (hubner) in Chickpea

M. A. Hossain
Senior Scientific Officer
RARS, PRC, Ishurdi, Pabna

M. Z. H. Prodhan
Senior Scientific Officer
RARS,PRC, Ishurdi, Pabna

M.A. Sarkar
Scientific Officer
Entomology Division, BARI, Gazipur

S. N. Alam
Senior Scientific Officer
Entomology Division, BARI, Gazipur

Abstract/ Executive Summary:

Four IPM treatment modules were evaluated against pod borer, Helicoverpa armigera (Hubner) infestation in chickpea at Pulses Research Center, Ishurdi, Pabna during rabi 2007-08. All of the tested IPM modules showed significant effect in controlling pod borer damage in chickea. However, pheromone trapping + sequential release of bio-control agent (Trichograma chilonis + Bracon habetor) + spraying neem seed karnel extract revealed the best performance in controlling pod borer followed by pheromone trapping + sequential release of bio-control agent (Trichograma chilonis + Bracon habetor).

Keywords: Management, Pod borer, Chickpea

Location: Ishurdi, Pabna

Start Date: 30-11-2007

End Date: 25-02-2008

Program Area: Pest Management

Commodity: Chickpea

Objectives:

To evaluate the efficacy of various management approaches against chickpea pod borer

Methodology:

The experiment was conducted at Pulses Research Center, Ishurdi, Pabna during rabi 2007-08 to evaluate different IPM modules against pod borer infesting chickpea. These were: T₁= Pheromone trapping + sequential release of bio-control agent (Trichograma chilonis +Bracon habetor); T₂= Pheromone trapping + sequential release of bio-control agent (Trichograma chilonis + Bracon habetor) + spraying neem seed karnel extract @ 50 g /l of water; T₃= Farmer’s practice (spray with quinalphos @ 1 ml/l of water and T₄= Untreated control. The experiment was laid out in a randomized complete block design with three replications. The treatments were randomly allotted in each block. The unit plot size was 10m x 10m. Fertilizer NPK @ 40, 20 and 20 kg/ha in the form of urea, triple super phosphate and muriate of potash, respectively were applied as basal at the time of sowing seeds. The seeds of ICCV-95138 were sown on November 30, 2007 in rows with spacing of 50 cm and plant to plant distance was maintained 10 cm. Normal intercultural operations were done.

At maturity, all the pods were collected from 10 randomly selected plants from middle rows of each plot and examined. The damaged (bored) and total numbers of pods were counted and the per cent pod damage was determined .

Source of Information: Annual Report 2007-2008, Entomology Division, BARI, Gazipur

Article Link (Online Journal):

Funding Source:

1.	Budget: 35,000.00

Total Budget (Tk.) : 35,000.00

Achievement/Findings:

IPM modules comprising of sex pheromone trapping + sequential release of bio-control agents (Trichograma chilonis + Bracon habetor) + spraying neem seed karnel extract can be recommended to farmers for managing chick pod borer.

Knowledge Management: Report/Proceedings