Journal of Biological Control

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Natural Parasitism of Rice Leaf Folder Cnaphalocrocis medinalis (Guenee) in Karaikal Region


Affiliations
1 Regional Research Station, Vriddhachalam 606 001, India
2 Tamil Nadu Agricultural University, Coimbatore 641 003, India
3 Pandit Jawaharlal Nehru College of Agriculture, Serumavilangai, Karaikal 609 607, Pondicherry, India
 

Seven parasitoids were reared from natural population of rice leaf folder Cnaphalocrocis medinalis (Guenee) in Karaikal region, Union Territory of Pondicherry. Goniozus sp. and Elasmus johnstoni Ferriere were the most effective. The parasitism ranged from 4.0.-22.0 per cent. Pediobius bruchicida (Rondani) is reported for the first time on C. medinalis from the coastal region of Karaikal. Parasitization by Pediobius bruchicida was upto 4.0 per cent.

Keywords

Cnaphalocrocis medinalis, Elasmus johnstoni, Goniozus sp., Parasitism, Pediobius bruchicida, Rice.
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  • Natural Parasitism of Rice Leaf Folder Cnaphalocrocis medinalis (Guenee) in Karaikal Region

Abstract Views: 246  |  PDF Views: 107

Authors

S. Manisegaran
Regional Research Station, Vriddhachalam 606 001, India
S. Letchoumanane
Tamil Nadu Agricultural University, Coimbatore 641 003, India
A. Mohamed Hanifa
Pandit Jawaharlal Nehru College of Agriculture, Serumavilangai, Karaikal 609 607, Pondicherry, India

Abstract


Seven parasitoids were reared from natural population of rice leaf folder Cnaphalocrocis medinalis (Guenee) in Karaikal region, Union Territory of Pondicherry. Goniozus sp. and Elasmus johnstoni Ferriere were the most effective. The parasitism ranged from 4.0.-22.0 per cent. Pediobius bruchicida (Rondani) is reported for the first time on C. medinalis from the coastal region of Karaikal. Parasitization by Pediobius bruchicida was upto 4.0 per cent.

Keywords


Cnaphalocrocis medinalis, Elasmus johnstoni, Goniozus sp., Parasitism, Pediobius bruchicida, Rice.