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Impact of azadirachtin on the haemodynamics of Cyrtacanthacris tatarica L. (Acrididae: Orthoptera)

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Relation http://oar.icrisat.org/6879/
http://indianjournals.com/ijor.aspx?target=ijor:jer&volume=19&issue=4&article=001
 
Title Impact of azadirachtin on the haemodynamics of Cyrtacanthacris tatarica L. (Acrididae: Orthoptera)
 
Creator John, P A
Ananthakrishnan, T N
 
Subject Millets
Groundnut
 
Description Haemocoelic injection of azadirachtin (2, 4 and 6 μl/g body weight of the test insect) into the final instar female nymphs of Cyrtacanthacris tatarica L. increased the haemolymph volume significantly than the ethanol-injected individuals. Total haemocyte count (THC), computed from four recorded haemocytes (prohaemocytes, spherulocytes, granulocytes and plasmatocytes) decreased with increasing concentration of azadirachtin and the overall reduction ranged from 31 to 41%. A dose-dependent inverse relationship was obtained between the haemolymph volume and total haemocyte number. Bulging of cytoplasm, membrane breakdown and release of cytoplasmic materials were recorded in plasmotocytes, while granulocytes showed vacuoles in the cytoplasm and nucleus. However, no such deformities were observed in prohaemocytes and spherulocytes
 
Publisher Malhotra Publishing House
 
Date 1995
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://oar.icrisat.org/6879/1/JER_19_4_285-290_1995.pdf
John, P A and Ananthakrishnan, T N (1995) Impact of azadirachtin on the haemodynamics of Cyrtacanthacris tatarica L. (Acrididae: Orthoptera). Journal of Entomological Research, 19 (4). pp. 285-290. ISSN 0378-9519