Elamin Elhaj Waleed, Ahmed Osman Abdelgadir, Mohamed Elamin Elawad Loai, Efficacy of Ricinus communis L., Cassia occidentalis L. and Bacillus thuringiensis against Helicoverpa armigera Hübner (Lepidoptera: Noctuidae), Journal of Agronomy Research, Volume 3, Issue 3, 2021, Pages 46-53, ISSN 2639-3166, https://doi.org/10.14302/issn.2639-3166.jar-21-3817. (https://openaccesspub.orgjar/article/1638) Keywords: Helicoverpaarmigera; Ricinus communis; Cassia occidental; Bacillus thuringiensis; Joint Action