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Relative susceptibility of different male-sterile cytoplasms in sorghum to shoot fly, Atherigona soccata

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Relation http://oar.icrisat.org/2122/
http://dx.doi.org/10.1007/s10681-005-7246-9
 
Title Relative susceptibility of different male-sterile cytoplasms in sorghum to shoot fly, Atherigona soccata
 
Creator Dhillon, M K
Sharma, H C
Reddy, B V S
Singh, R
Naresh, J S
Kai, Z
 
Subject Sorghum
 
Description The shoot fly, Atherigona soccata is an important pest of sorghum, and host plant resistance is one of the most effective components for managing this pest. Most of the hybrids grown in India based on milo cytoplasm (A1 cytoplasm) are highly susceptible to shoot fly. Therefore, the present studies were undertaken to evaluate different male-sterile cytoplasms (CMS) for their relative susceptibility to sorghum shoot fly. Oviposition and deadheart formation were significantly lower on the maintainer lines as compared to the corresponding male-sterile lines. Among the cytoplasms tested, A4M cytoplasm showed antixenosis for oviposition and suffered lower deadheart formation than the other cytoplasms tested. The A4G1 and A4M cytoplasms suffered lower deadhearts in tillers than the other cytoplasms. Recovery following shoot fly damage in A4M, A3, and A2 cytoplasms was better than in the other cytoplasms tested. The larval and pupal periods were longer and male and female pupal weights lower in A4M and A4VzM CMS backgrounds compared to the other CMS systems. Fecundity and antibiosis indices on CMS lines were lower than on the B-lines. The A4M cytoplasm was found to be relatively resistant to sorghum shoot fly, and can be exploited for developing shoot fly-resistant hybrids for sustainable crop production in future
 
Publisher Springer
 
Date 2005
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://oar.icrisat.org/2122/1/Relative_susceptibility_of_different_male-sterile_cytoplasms_in_sorghum_to_shoot_fly%2C_Atherigona_soccata.pdf
Dhillon, M K and Sharma, H C and Reddy, B V S and Singh, R and Naresh, J S and Kai, Z (2005) Relative susceptibility of different male-sterile cytoplasms in sorghum to shoot fly, Atherigona soccata. Euphytica, 144 (3). pp. 275-283. ISSN 0014-2336