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Chrysoperla carnea, Aphis gossypii, Aphis craccivora, Helicoverpa armigera, Earias vitella. neonate larvae, predatory potential

Indian Agricultural Research Journals

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Title Chrysoperla carnea, Aphis gossypii, Aphis craccivora, Helicoverpa armigera, Earias vitella. neonate larvae, predatory potential
 
Creator SAMINATHAN, V R
BASKARAN, R K
MAHADEVAN, N R
 
Subject Chrysoperla carnea, Ahis gossypii, Aphis craccivora, Helicoverpa armigera, Earias vitella. neonate larvae, predatory potential
 
Description Laboratory experiments were conducted during 1997 to study the biology and predatory potential of the greenlacewing, Chrysoperla carnea (Stephens) on eggs of Corcyra cephalonica Stainton, Earias vitella Fabricius andHelicoverpa armigera Hubner, neonate larvae of E. vitella and H. armigera. Aphis gossypii Glover collected fromcotton (Gassypium  hirsulum L.), okra (Hibiscus esculentus L.) and guava (Psidium guajava L.) and Aphis craccivoraCoch. collected from cowpea [Vigna ungUiculata (L.) Walp.) and groundnut (Arachis hypogaea L.). The egg, grub andpupal period of C. carnea were minimum on A. craccivora collected from groundnut and maximum on H. armigeraneonate larvae recording 2.35, 8.22 and 8.02, and 3.10, 11.37 and 8.27 days, respectively. The total developmentalperiod of C. carnea on different insect hosts ranged from 18.59 [A. craccivora (groundnut)] to 22.74 days (H armigeraneonate larvae). C.carnea adult laid a maximum of 318.40 eggs when reared on A. craccivora collected from cowpea followed byA. gossypii (okra), A. gossypii (guava) and A. gossypii (cotton), recording 271.20, 266.80 and 262.40 eggs/female respectively. Hatchability of eggs of C. carnea was more than 80% when reared on A. craccivora (cowpea) andeggs of of C.cephalonica and E. vitella. Predatory behaviour of C. carnea was evident from its preference for eggs ofinsect hosts. The aphid A. craccivora from groundnut can be utilized for restoring the fecundity and predatory activityof C. carnea in laboratory if found lossing due to continuous use of C.cephalonica.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2013-01-28
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/26848
 
Source The Indian Journal of Agricultural Sciences; Vol 69, No 7 (1999)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/26848/12229
 
Rights Copyright (c) 2014 The Indian Journal of Agricultural Sciences