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Incidence and distribution in sorghum of the spotted stem borer Chilo partellus and associated natural enemies in farmers’ fields in Andhra Pradesh and Maharashtra states

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Relation http://oar.icrisat.org/2998/
http://dx.doi.org/10.1080/096708799227978
 
Title Incidence and distribution in sorghum of the spotted stem borer Chilo partellus and associated natural enemies in farmers’ fields in Andhra Pradesh and Maharashtra states
 
Creator Duale, A H
Nwanze, K F
 
Subject Sorghum
 
Description A series of surveys was carried out in farmers’ fields in two major sorghum-growing states of India (Maharashtra and Andhra Pradesh) during the 1994 and 1995 cropping seasons to determine distribution, abundance, and economic importance of the spotted stem borer Chilo partellus Swinhoe and associated parasitoids in sorghum. Stem borer incidence and distribution varied significantly between the two states. In Maharashtra, the highest incidence was recorded in Amravati district (40%), followed by Yavatmal (39%). In Andhra Pradesh, the highest incidence and damage were recorded from Medak (31%), followed byMahbubnagar (30.3%). The natural enemies recorded in the survey included three larval parasitoids, viz. Cotesia ruficrus (Haliday) and C. flavipes Cameron, and Sturmiopsis inferens Townsend and one pupal parasitoid Xanthopimpla stemmator Thunberg. While species
composition did not vary between the two states, species predominance varied considerably, such that Cotesia spp. were predominant in Maharashtra, and S. inferens in Andhra Pradesh.
 
Publisher Taylor & Francis
 
Date 1999
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://oar.icrisat.org/2998/1/Incidence%2520and%2520distribution%2520in%2520sorghum.pdf
Duale, A H and Nwanze, K F (1999) Incidence and distribution in sorghum of the spotted stem borer Chilo partellus and associated natural enemies in farmers’ fields in Andhra Pradesh and Maharashtra states. International Journal of Pest Management, 45 (1). pp. 3-7. ISSN 0967-0874