(2009). The Effect Of Some Isolated Extracts From The Plant Plantago Lanceolata L. On Biology Of Cowpea Weevil Callosobruchus Maculatus (Fab.). , 14(3), 128-133.
. "The Effect Of Some Isolated Extracts From The Plant Plantago Lanceolata L. On Biology Of Cowpea Weevil Callosobruchus Maculatus (Fab.)". , 14, 3, 2009, 128-133.
(2009). 'The Effect Of Some Isolated Extracts From The Plant Plantago Lanceolata L. On Biology Of Cowpea Weevil Callosobruchus Maculatus (Fab.)', , 14(3), pp. 128-133.
The Effect Of Some Isolated Extracts From The Plant Plantago Lanceolata L. On Biology Of Cowpea Weevil Callosobruchus Maculatus (Fab.). , 2009; 14(3): 128-133.

The Effect Of Some Isolated Extracts From The Plant Plantago Lanceolata L. On Biology Of Cowpea Weevil Callosobruchus Maculatus (Fab.)

Tikrit Journal of Pure Science
Article 1, Volume 14, Issue 3, 2009, Pages 128-133
Abstract
This study was conducted to test the effect of Aqueous , Alcoholic , Acetone and Glycoside leaf extracts of (Plantago lanceolata L.) on some biological aspects of cowpea weevil (Callosobruchus maculatus (Fab.)) by rearing it on treated seed plant chick pea (Cicer arietinum L.) with concentrations (0 , 2.5 , 5 , 10%) of these extracts . The result showed that alcoholic extract at concentration 10% decreased significantly of number eggs liad by female (12.66 eggfemal) hating ratio (58.38%), and increased larval stage period (19.00 days) and pupal stage period (8.33 days) .Also increased mortality ratio, 24.76% for larvae and 11.42% for pupae .The number of adults emerged and percentage ratio of female fecundity was 4.33 insect 37.32%, respectively at 10% concentration ,while the aqueous extract was the lowest in its effect on the number of eggs laid by female which was 25 egg/female at concentration 10% ,while the acetone and glycoside clearly extracts effects gived and significantly on different insect stages.
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