Insecticidal effect of some plant extracts on the cowpea aphidAphis craccivora Koch (Homoptera: Aphididae)
Tóm tắt
The insecticidal activity of acetone extracts ofCymbopogon citratus (DC) Stapf.,Momordica charantia L.,Zingiber officinale (Ros.),Xylopia aethiopica (Dunal) A. Rich.,Ocimum gratissimum L. andAframomum melegueta (Ros.) K. Schum against the cowpea aphid,Aphis craccivora Koch was investigated.Z. officinale andA. melegueta extracts had the greatest effect in causing mortality ofA. craccivora and inhibiting its reproduction. Extract fromM. charantia caused high nymphal mortality whilst extract fromC. citratus also caused significant nymphal mortality, reduction of life span of adult aphids and inhibition of aphid reproduction.
Tài liệu tham khảo
Al-Sharook, Z.;Balan, K.;Jiang, Y.;Rembold, H., 1991: Insect growth inhibitors from two tropical Meliaceae: Effect of crude seed extracts on mosquito larvae. J. Appl. Ent.111, 425–430.
Anonymous, 1988: Herbal pesticide. World Dev. Forum 6, 4.
Chavan, S. R.;Deshmukh, P. B.;Renaparkar, D. M., 1979: Investigations of indigenous plants for larvicidal activity. Bull. Haffkin Inst.7, 23–33.
Goto, C;Kasuya, S.;Koga, K.;Othomo, H.;Kagel, N.; 1190: Letal efficacy of extract fromZingiber officinale traditional chinese medicine or 6 shogaol and 6 gingerol inAnisakis larvae in-vitro. Parasitol. Res.76, 653–656.
Iwuala, M. E. O.;Osisiogu, I. U.;Agbakwuru, E. O. P., 1981:Dennetia, a potential new insecticide: tests with adults and nymphs ofPeriplaneta americana andZonocerus variegatus.J. Econ. Ent. 74, 249–252.
Kimura, Y.;Minami, Y.;Tokuda, T.;Nakajima, S.;Takaji, S.;Grunki, F., 1991: Primary structures of N-linked oligosaccharides of momordin-a, a ribosome-inactivating protein fromMomordica charantia seeds. Agric. Biol. Chem.55, 2031–2036.
Krishnarajah, S. R.;Ganesalingam, V. K.;Senanayake, U. M., 1985: Repellency and toxicity of some plant oils and their terpene components toSitotroga cereallela (Olivier) (Leipidoptera, Gelechiidae). Trop. Sci.25, 249–252.
Nicol, C. M. Y.;Schmutterer, H., 1991: Contact effects of seed oil from the neem tree,Azadirachta indica (A. Juss), on nymphs of the gregarious phase of the desert loccust,Schistocerca gregaria (Forsk.). J. Appl. Ent.111, 197–205.
Ohsawa, K.;Kato, S.;Honda, H.;Yamamoto, I., 1990: Pesticidal active substances in tropical plants — insecticidal substances from seeds of Annonaceae. J. Agric. Sci., Tokyo Nogyo Daigaku34, 253–258.
Olaifa, J. I.;Erhun, W. O.;Akingbohungbe, A. E., 1987: Insecticidal activity of some Nigerian plants. Insect Sci. Applic.8, 221–224.
Oloke, J. K.;Kolawole, D. O.;Erhun, W. O., 1988: The antibacterial and antifungal activities of certain components ofAframomum melegueta fruits. Fitoterapia59, 384–388.
Stein, U.;Klingauf, F., 1990: Insecticidal effect of plant extracts from tropical and subtropical species. Traditional methods are as good as long as they are effective. J. Appl. Ent.110, 160–166.
Weaver, D. K.m;Dunkel, F. N.; Jackson, L. L., 1991: Toxicity of R.s-Linalool to four species of storage Coleoptera as influenced by degradation and volitalization. In: Fleurat-Lessard, F and Ducom, P. eds. Proc. 5th Intern. Work. Conf. Stored-Prod. Prot. 1725–1736.