Investigations into the control of the rice stem borer Schocnobius incertulas Wlk in Madras State

Abstract

The stem borer Schoenobius incerlulas Wik-is well recognised as one of the most serious insect pests of rice. In South India, the pest takes a heavy toll of the rice crop, year after year. The control of the pest is a difficult problem owing to the concealed existence of the larvae inside the stem. Various workers have attempted to evolve a suitable insecticidal way of controlling the pest in and outside India. Iyatomi (1951) conducted investigations on the control of an allied species of a stem borer on rice in Japan and found that parathion (Folidol) was superior to systox in efficacy. In India, Santhanaraman (1952) has recorded BHC and Parathion (Exatox 20) as giving encouraging indications for control. Israel and Veda- moorthy (1954) found seed-soaking followed by irrigation with Folidol spray fluid at weekly intervals to be effective against the pest. Anantanarayanan et-al (1956) recommended two to three rounds of parathion (Folidol) sprayings coinciding with mass emergence of moths. Banerjee and Basu (1957) observed Tetrax-1, a systemic chemical, to be useful against the pest, in West Bengal. Nagaraja Rao (1958) tested some systemic insecticides and found systox and Folidol as potential chemicals.

DOI

https://doi.org/10.29321/MAJ.10.A04086

Pages

380 - 385

Creative Commons

Copyright

© The Author(s), 2025. Published by Madras Agricultural Students' Union in Madras Agricultural Journal (MAJ). This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium, provided the original work is properly cited by the user.

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