HALDER J, SRIVASTAVA C, DUREJA P. Effect of methanolic extracts of periwinkle (Vinca rosea) and bottlebrush (Callistemon lanceolatus) alone and their mixtures against neonate larvae of gram pod borer (Helicoverpa armigera). Indian J Agri Sci [Internet]. 2011 Mar. 4 [cited 2026 Jun. 27];80(9). Available from: https://epubs.icar.org.in/index.php/IJAgS/article/view/925