Hussein,, H. (2007). DISCOVERY OF A HIGHLY ACTIVE MOLLUSCICIDAL EXTRACT AGAINST LAND SNAILS, FROM Nerium Oleander L.. Journal of Plant Protection and Pathology, 32(10), 8691-8694. doi: 10.21608/jppp.2007.220705
H. I . Hussein,. "DISCOVERY OF A HIGHLY ACTIVE MOLLUSCICIDAL EXTRACT AGAINST LAND SNAILS, FROM Nerium Oleander L.". Journal of Plant Protection and Pathology, 32, 10, 2007, 8691-8694. doi: 10.21608/jppp.2007.220705
Hussein,, H. (2007). 'DISCOVERY OF A HIGHLY ACTIVE MOLLUSCICIDAL EXTRACT AGAINST LAND SNAILS, FROM Nerium Oleander L.', Journal of Plant Protection and Pathology, 32(10), pp. 8691-8694. doi: 10.21608/jppp.2007.220705
Hussein,, H. DISCOVERY OF A HIGHLY ACTIVE MOLLUSCICIDAL EXTRACT AGAINST LAND SNAILS, FROM Nerium Oleander L.. Journal of Plant Protection and Pathology, 2007; 32(10): 8691-8694. doi: 10.21608/jppp.2007.220705
DISCOVERY OF A HIGHLY ACTIVE MOLLUSCICIDAL EXTRACT AGAINST LAND SNAILS, FROM Nerium Oleander L.
Plant Protection Research Station, Sabbahia, Baccous, Alexandria, Egypt
Abstract
Nerium oleander L. is the widest spread ornamental plant; it is cultivated every where in Egypt as well as in the whole world. We noticed that snails living very close to the plant do not approach it. A chloroformic cardenolide extract was isolated from the leaves of the plant after removing the other constituents with lead acetate; the isolated extract was tested for its molluscicidal activity against the harmful land snails, Theba pisana (Muller) and Eobania vermiculata. The extract was highly active against T pisana with LD50 value of 12.039 µg / gm of body weight, while E vermiculata was less sensitive to the extract, with LD50 value of more than 100 µg / gm of body weight. The results indicate that N oleander is a good source of natural molluscicidal extracts, or compounds which are more toxic to T pisana snails than the present used synthetic pesticides, methomyl and methiocarb.