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Potentiality of n‐valeramide and malonamide as prospective chemosterilant
Author(s) -
Naqvi S. N. H.,
Rashid Salma,
Ahmed I.,
Ashrafi S. H.
Publication year - 1974
Publication title -
zeitschrift für angewandte entomologie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.795
H-Index - 60
eISSN - 1439-0418
pISSN - 0044-2240
DOI - 10.1111/j.1439-0418.1974.tb01855.x
Subject(s) - sterility , fecundity , biology , gynecology , andrology , botany , medicine , population , environmental health
n‐Valeramide and malonamide were tested against Aedes aegypti . Both the compounds were found to be effective on females. n‐Valeramide was found to be more effective than malonamide. Fecundity was 44.6 and 46.9% in the F 1 generation of treated males with treated females, by n‐valeramide and malonamide respectively. Sterility induced by n‐valeramide was some higher (74%) than the malonamide (70%) in parent generation of treated males with treated females. When the treated females were crossed with untreated males, the n‐valeramide showed high female sterility that is 73.5% as compared to 50% sterility caused by malonamide. Inherited effect of these compounds was observed to be less in F 1 and F 2 generation than in P 1 generation. Abnormalities in the egg and teratogeny in the larvae and adults caused by these compounds were observed. Zusammenfassung Über die Eignung von n‐Valeramid und Malonamid als Chemosterilantien Es wurden n‐Valeramid und Malonamid getestet. Beide Komponenten wirkten auf ♀♀ sterilisierend, wobei n‐Valeramid effektiver war als Malonamid. Die Fecundität betrug in der F 1 ‐Generation, nachdem elterliche ♂♂ und ♀♀ behandelt waren, 44,6% bei n‐Valeramid und 46,9% bei Malonamid. Die Sterilität bei der behandelten älteren Generation war in beiden Geschlechtern etwa gleich: ♂♂ = 74%, ♀♀ = 70%. Nach Kreuzung von behandelten ♀♀ mit unbehandelten ♂♂ betrug die Sterilität der ♀♀ Nachkommen durch n‐Valeramid 73,5%, durch Malonamid 50%. Weitergehende Auswirkungen dieser Komponenten wurden bei der Eltern‐Generation in stärkerem Maße beobachtet als bei den F 1 ‐und F 2 ‐Nachkommen. Es wurden Abnormitäten bei Eiern, Larven und Adulten beobachtet.

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