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Laboratory Screening for Alternative Host Preference of Helopeltis Theivora

Dr. Mainuddin Ahmed
Chief Scientific Officer
Department of Pest Management, BTRI, Srimangal, Moulvibazar

Mohammad Shameem Al Mamun
Scientific Officer
Entomology Division, BTRI, Srimangal, Moulvibazar

Shovon Kumar paul
Scientific Officer
Entomology Division, BTRI, Srimangal, Moulvibazar

Abstract/ Executive Summary:

A laboratory based experiment was initiated with CRD at Entomology laboratory to find out the suitable alternative host of the Helopeltis. Nine available alternate hosts such as Mikania, Ixora, Duranta, Jackfruit, Mango, Guava, Jungle pan, China rose and Black berry were considered as treatments. Tea shoots was treated as control. Each treatment was replicated thrice. The young shoots of the selected plants were collected from the surroundings of BTRI main farm. Adult Helopeltis were collected from the infested sections and reared in the entomology laboratory. The number of sucking spots on young shoots of the different host plants by Helopeltis was recorded. Results revealed that all the selected host plants were punctured by Helopeltis within 24 hours. Among the host plants, Duranta (21.00) was found to be the most preferred host plant of Helopeltis followed by Mikania (20.33).

Keywords: Alternate host, Helopeltis, tea

Location: Entomology Division, BTRI Main Farm

Start Date: 01-01-2011

End Date: 31-12-2012

Program Area: Pest Management

Commodity: Diseases

Objectives:

To find out the suitable alternative host of the Helopeltis

Methodology:

A laboratory based experiment was initiated with CRD at Entomology laboratory to find out the suitable alternative host of the Helopeltis. Nine available alternate hosts such as Mikania, Ixora, Duranta, Jackfruit, Mango, Guava, Jungle pan, China rose and Black berry were considered as treatments. Tea shoots was treated as control. Each treatment was replicated thrice. The young shoots of the selected plants were collected from the surroundings of BTRI main farm. Adult Helopeltis were collected from the infested sections and reared in the entomology laboratory. The number of sucking spots on young shoots of the different host plants by Helopeltis was recorded.

Source of Information: Annual Report 2012

Article Link (Online Journal):

Funding Source:

1.

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Results revealed that all the selected host plants were punctured by Helopeltis within 24 hours. Among the host plants, Duranta (21.00) was found to be the most preferred host plant of Helopeltis followed by Mikania (20.33).

Knowledge Management: Report/Proceedings