Toxicity of Catharanthus roseus (chichirica), Piper nigrum (black pepper) and Nicotiana tabacum (tobacco) to Periplaneta americana (American cockroaches)

• Main Author: Velasco, Frances Charlotte C.
• Format: text
• Language: English
• Published: Animo Repository 1997
• Subjects: Plants; Insecticidal; Pesticidal plants; Insecticides; Tobacco; Madagascar periwinkle; American cockroach; Pepper (Spice); Periplaneta americana; Piper nigrum
• Online Access: https://animorepository.dlsu.edu.ph/etd_bachelors/1476
• Institution: De La Salle University

This study tested the toxicity of chichirica (Catharanthus roseus), black pepper (Piper nigrum) and tobacco (Nicotiana tabacum) extracts to adult American cockroaches (Periplaneta americana) by means of topical application on their dorsal thorax. This was done to determine the percent mortality of c...