Bioactivity of non-edible oil seed extracts and purified extracts against Helicoverpa armigera (Hubner).
نویسندگان
چکیده
Extracts and purified extracts of seeds of two plant species, Madhuca latifolia and Calophyllum inophyllum when evaluated against the 2nd instar larvae of Helicoverpa armigera reared on synthetic diet, exhibited high larval mortality, prolongation of developmental period, morphological deformities and highly significant reduction in adult emergence. The reduction in larval weights in the treatments was also highly significant.
منابع مشابه
Growth regulatory and toxic effects of non-edible oil seed extracts and purified extracts against Helicoverpa armigera (Hubner)
Crude and purified extracts of non edible seed.of Pongamia glabra ( Karanja) were tested for their toxicity growth and development against the 2 instar larvae of the American bollworm, Helicoverpa armigera (Hubner) a serious pest of cotton. Larvae reared on synthetic diet at concentrations of 1 and 0.5% of P. glabra exhibited 100% mortality, whereas at sublethal concentrations of 0.05% and 0.01...
متن کاملSurvival and Feeding of African Bollworm, Helicoverpa armigera (Hubner) (Lepidoptera: Noctuidae) Affected by Neem, Azadirachta indica (A. Juss) Extracts
The effects of neem oil (Nimbecidine 0.03% Aza) and water extracts of neem seed and leaf on African bollworm, Helicoverpa armigera were studied each at three concentration levels (2.5%, 5% and 10%) under laboratory condition. Square dip and larval immersion experiments were conducted using Completely Randomized Design in three replications. In square dip experiment, high mortalities were statis...
متن کاملBioefficacy of seed extracts of Strychnos nux-vomica and Semicarpus anacardium against Helicoverpa armigera (Hubnar) (Lepidoptera: Noctuidae)
Hexane, chloroform, ethyl acetate and methanol extracts of Strychnos nux-vomica Linn. (Family: Loganiaceae) and Semecarpus anacardium Linn. (Family: Anacardiaceae) were incorporated in semi-synthetic diet at 0.5, 1.0, 1.5 and 2% concentrations. Screened for antifeedant, larvicidal, pupicidal and adult malformation activities against Helicoverpa armigera (Lepidoptera: Noctuidae). The chloroform ...
متن کاملPurification and characterization of trypsin inhibitor from Cicer arietinum L. and its efficacy against Helicoverpa armigera
Protease inhibitors in legumes are one of the most promising weapons that confer resistance against insects by inhibiting proteases present in the gut of insect larvae. In the present study, trypsin inhibitor activity was detected in the seed flour extracts of 10 selected varieties of chickpea. The presence of inhibitor was confirmed by dot blot analysis. All the varieties showed inhibitory act...
متن کاملOvicidal activity of Atalantia monophylla (L) Correa against Helicoverpa armigera Hubner (Lepidoptera: Noctuidae)
Hexane, chloroform and ethyl acetate crude extracts of Atalantia monophylla leaf were studied for ovicidal activity against Helicoverpa armigera at 0.5. 1.0, 2.5 and 5.0% concentrations. The ovicidal activity of 67.10% was statistically significant noticed in hexane extract at 5.0% concentration. The least LC50 value of 2.60% was observed in hexane extract with significant Chi-square value at P...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید
ثبت ناماگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید
ورودعنوان ژورنال:
- Indian journal of experimental biology
دوره 42 1 شماره
صفحات -
تاریخ انتشار 2004