S. Manisegaran ¹, S. Letchoumanane ², A. Mohamed Hanifa ³

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

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.

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S. Manisegarane ¹, S. Letchoumanane ²

Affiliations
1 All India Coordinated Research Project (Sesamum) Scheme, Regional Research Station, Viriddhachalam - 606001, IN
2 Pandit Jawaharlal Nehru College of Agriculture, Serumavilangai, Nedungadu P.O., Karaikal 609 603, IN

Abstract

Fusarium pallidoroseum (Cooke) Sacc. is recorded as a Pathogen of Rice Leaf-folder, Cnaphalocrocis medinalis (Guenee) in Karaikal Region of Union Territory of Pondicherry for the first time. The infection varied from 40-60 %.

Keywords

Cadaver, Cnaphalocrocis medinalis, Fungal Pathogen, Fusarium pallidoroseum, Rice Leaf-Folder.

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