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No-choice Cage Technique to Screen for Resistance to Sorghum Midge (Diptera: Cecidomyiidae)

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http://esa.publisher.ingentaconnect.com/content/esa/jee/1988/00000081/00000001/art00075
 
Title No-choice Cage Technique to Screen for Resistance to Sorghum Midge (Diptera: Cecidomyiidae)
 
Creator Sharma, H C
Vidyasagar, p
Leuschner, K
 
Subject Sorghum
 
Description A cage technique to screen sorghum cultivars for resistance to Contarinia sorghicola under no-choice conditions is described. Forty adults, collected from flowering sorghum panicles in Andhra Pradesh, India, and introduced to the cage at the top- to half-anthesis stage for 2 consecutive days, resulted in maximum damage in the susceptible cultivar CSH 1. Use of a wire-framed cage covered with a blue bag resulted in the greatest damage in CSH 1. This technique was useful for verification of resistance under field conditions. The resistance of 21 cultivars to C. sorghicola was compared under no-choice cage and natural conditions for 4 seasons. Of 15 cultivars reported to be resistant under natural conditions, only 3 (DJ 6514, TAM 2566, and IS 12666C) showed repeatable levels of resistance under no-choice conditions. TAM 2566 and IS 12666C were less attractive to adults (
 
Publisher Entomological Society of America
 
Date 1988
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://oar.icrisat.org/1438/1/JouEconEnot81_415-422_1988.pdf
Sharma, H C and Vidyasagar, p and Leuschner, K (1988) No-choice Cage Technique to Screen for Resistance to Sorghum Midge (Diptera: Cecidomyiidae). Journal of Economic Entomology, 81 (1). pp. 415-422.