| Autor: |
Kaur, Dilpreet, Kaur, Gurleen, Thind, Jashanjit, Singh, Randeep |
| Předmět: |
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| Zdroj: |
Agriways; Jun2021, Vol. 9 Issue 1, p39-44, 6p |
| Abstrakt: |
Bactrocera cucurbitae (Coquillett) commonly known as the melon fruit fly, is a polyphagous pest of a variety of economically important agricultural crops. This dipteran fly is a serious pest of cucurbits. Laboratory experiment was carried out to evaluate the bio-efficacy of neem oil, cedar oil and pongamia oil against melon fruit fly. After surface coating pumpkin pieces with three concentrations viz, 1000 ppm, 5000 ppm and 10,000 ppm of these botanicals, oviposition deterrence against melon fruit fly was evaluated. The lowest number of ovipositional marks were observed in pumpkins treated with cedar oil followed by pongamia oil and neem oil after 24 hours of treatment. A decrease in egg hatching was observed with increase in concentration of botanicals. Further, percent pupation and emergence varied significantly from control for all tested botanicals with nil pupation in case of pongamia oil and cedar oil and 1.19% pupation and emergence in case of neem oil 72 HAT. The male-female ratio of flies so emerged also varied significantly from control with more number of males as compared to females. It is recapitulated that the concentrations of botanicals as well as time period have significant effects on oviposition, development, and sex ratio of the melon fruit fly. The mortality of flies increases [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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