Buchloe dactyloides extacts having insecticidal properties

Details Buchloe dactyloides extacts having insecticidal properties Buchloe dactyloides extacts having insecticidal properties

1996-05-28

1998-07-21

Witz, Jean C.

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

Conjugate or complex

A61K 3578

Patent

active

057831904

ABSTRACT:
The invention comprises a substances or plurality of substances extracted from the seeds of buffalo grass, Buchloe dactyloides. The crude extract was found to comprise one or a plurality of substances having molecular weights of less than 20 kDa which are natural insecticides against corn rootworm. Bioassays show corn rootworm mortality of up to 100% when larvae are fed a diet containing crude or purified buffalo grass extract.

REFERENCES:
Belitz et al., Z. Lebennsm, Unters.-Forsch 714: 442-446 (1982).
Christeller et al., Insect Biochem. 19: 233-241 (1989).
Hilder et al., Nature 330: 160-163 (1987).
Johnson et al., Proc. Natl. Acad. Sci. 86: 9871-9875 (1989).
Laemmli, Nature 227: 680-685 (1970).
Czapla et al., J. Econo. Ento. 83(6): 2480-2485 (1990).

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