Plant derivatives possessing insect repellent and antifeedant properties could offer an alternative approach for managing crop pests and dealing with insect-transmitted diseases. This chapter summarizes results from studies on insecticidal effects of Melia azedarach extracts from Central Argentina. Extracts from different plant structures (green/ripe fruits, green/senescent leaves) and a variet...

Methanolic extracts of leaves and seeds from the chinaberry tree, Melia azedarach L. (Meliaceae) was tested against mature and immature mosquito vector Anopheles stephensi Liston (Diptera) under laboratory condition. The extract showed strong larvicidal, pupicidal, adulticidal, antiovipositional activity, repellency and biting deterency. The M. azedarach seed and leaf extracts were used to dete...

Due to the depletion of petroleum oil reserves and the environmental issues both, efforts have made to utilize the renewable resources in the polymer synthesis now-a-days. Among the different renewable resources seed oils of different plants pay considerable attraction due to its unique properties. Melia azedarach is a medium sized tree largely cultivated throughout the country as a shadow tree...

the fruit of melia azedarach l. (meliaceae) was extracted with hexane, and its fatty acids methyl ester was analyzed using gc/ms. thirteen components representing 85.1% of the total extract were identified. the major components identified were methyl palmitate (18.8%), methyl linolenate (16.1%) and methyl linoleate (9.8%). the fruits’ extract had a lc50 of 5.5 ppm against the larvae of anophles...

A biological invasion of non-native plants is spreading into our natural areas and rights-of way. In the present work, Melia azedarach (Meliaceae) known for its high allelopathic potential is used to investigate its biopesticide capacity on the common model used in bioassays: Raphanus sativus (R. sativus). Exposure of R. sativus to M. azedarach (aqueous/ethanolic) leaves extracts result on toxi...

Background & Aim: Aphids are of serious pests and vectors of multitude of viral diseases of field crops, vegetables, ‎and greenhouse crops. They have displayed a remarkable ability to establish resistance to ‎almost every insecticide with which it has been treated. To reduce the damage of these pests ‎and dependence on the sometimes unwise use of synthetic pesticides in crop and vegetable ‎plan...

The larvicidal activities to determine the efficacies of acetone, ethyl acetate, chloroform and butanol dried leaf extracts of Annona squamosa, Cynodon dactylon, Melia azedarach and root extract of Hemidesmus indicus tested against 3 instar Culex quinquefasciatus and Aedes aegypti. The highest larvae mortality was found in the acetone followed by ethyl acetate, chloroform and butanol extract of...

Background & Aim: Aphids are of serious pests and vectors of multitude of viral diseases of field crops, vegetables, ‎and greenhouse crops. They have displayed a remarkable ability to establish resistance to ‎almost every insecticide with which it has been treated. To reduce the damage of these pests ‎and dependence on the sometimes unwise use of synthetic pesticides in crop and vegetable ‎plan...