Lifetables of Chilo partellus (Swinhoe) Infesting Rabi Sorghum

Authors

  • S. K. Meena Department of Agricultural Entomology, College of Agriculture (Vasantrao Naik Marathwada Krishi Vidyapeeth, Parbhani 431402), Latur 413512, Maharashtra
  • V. K. Bhamare Department of Agricultural Entomology, College of Agriculture (Vasantrao Naik Marathwada Krishi Vidyapeeth, Parbhani 431402), Latur 413512, Maharashtra

DOI:

https://doi.org/10.55446/IJE.2022.972

Keywords:

Chilo partellus, rabi sorghum, lifetable, mortality, unknown reasons, instars, pupal stage, Callibracon sp., Cotesia flavipes, parasitoid, trend index, generation survival

Abstract

This study on the sorghum spotted stem borer Chilo partellus (Swinhoe) was conducted at the Post Graduate Experimental Field of Department of Agricultural Entomology, College of Agriculture, Campus Latur during 2020-21. The results revealed that C. partellus passed through three generations on rabi sorghum. The mortality in early instar larval stage was observed due to unknown reasons (17.24, 19.05 and 14.51%, respectively), Callibracon sp. (4.16, 11.76 and 8.33%, respectively) and Cotesia flavipes (8.69, 6.67 and 9.65%, respectively) in its first, second and third generations. The mortality in late instar larvae was also found owing to unknown reasons (19.4, 14.28, and 11.36%, respectively), Callibracon sp. (11.76, 12.49 and 11.43%, respectively) and C. flavipes (13.33, 14.28 and 10.26%, respectively) in the first, second and third generations. In first generation, the pupal mortality was not observed, and when noticed it was due to unknown reasons (11.11 and 16.12%, respectively) during second and third generations. The trend index and generation survival were 1.44 and 0.44; 1.48 and 0.38 and; 0 and 0.42 during first, second and third generations, respectively.

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Published

2023-01-03

How to Cite

Meena, S. K., & Bhamare, V. K. (2023). Lifetables of <i>Chilo partellus</i> (Swinhoe) Infesting Rabi Sorghum . Indian Journal of Entomology, 85(1), 170–174. https://doi.org/10.55446/IJE.2022.972

Issue

Volume 85, Issue 1, March 2023

Section

Research Communications
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Europe PMC

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