Journal of Biological Control

The PDF file you selected should load here if your Web browser has a PDF reader plug-in installed (for example, a recent version of Adobe Acrobat Reader).

If you would like more information about how to print, save, and work with PDFs, Highwire Press provides a helpful Frequently Asked Questions about PDFs.

Alternatively, you can download the PDF file directly to your computer, from where it can be opened using a PDF reader. To download the PDF, click the Download link above.

Fullscreen Fullscreen Off


The penetration and pathogenicity of five species of entomopathogenic nematodes (EPN), viz., Heterorhabditis indica (isolate LN2), H. bacleriophora, Steinernema giaseri, S. riobrare and S. feltiae to the sugarcane internode borer (INB), Chilo sacchariphagus inilicus (Kapur), were studied under laboratory conditions. Significant differences were observed among mean penetration of the EPNs. The highest penetration (42.2%) was observed for the steinerncmatids, S. glaseri and S. riobrave (28.3%) and the lowest penetration for the two heterorhabditids. H. indica (5.5%) and H. bacteriophora (5.2%). In pathogenicity studies, mortality of the INB increased with increase in dosage. The borer suffered 100 per cent mortality with 40 and 50IJs of H. indica and with 50IJs larva−1 of S. glaseri. The lowest mortality (10 to 26.6%) of INB was observed at a dosage of 10IJs larva−1 of all EPNs. H. indica was found to be superior among all EPN species with an LD50 of I4.7IJs larva−1. The LD50 values for other EPNs were 17.9IJs larva−1 for S. glaseri, 24.4IJs larva−1 for H. bacteriophora, 27.5IJs larva−1 for S. riobrave and 33.1IJs larva−1 for S. feltiae.

Keywords

Chilo sacchariphagus indicus, Entomopathogenic Nematodes, Haterorhabditis steinernema, Sugarcane Internode Borer.
User
Notifications