Free access | Research Article
Published on: 30 Sep 2022 | DOI: https://doi.org/10.37446/jinagri/rsa/9.3.2022.12-28 | Volume: 9, Issue: 3 | Pages: 12-28 |
The tobacco caterpillar, Spodoptera litura Fabricius. (Lepidoptera: Noctuidae) is the most common and damaging insect pest of cabbage worldwide. The cabbage head infestation started in the first week of October when the increase in cabbage heads started. The temperature notably improved during this time, while the rainfall declined. Spraying of voliam flexi 300SC @ 0.5 ml/l water and hand collection and destruction of infested fruits, larvae, pheromone trap and nappy trap (T3) used to be the cure that reduced the infestation of tobacco caterpillars and cabbage head infestation among the treatments (87.99% and 83.67%; 85.92% and 87.76%; 87.19% and 88.30% in the three hill districts over untreated control, respectively). It performed best (54.20, 42.15, and 50.25 tha-1 in three hill districts, respectively). Therefore, in the hilly region of Chattogram, Bangladesh, where the tobacco caterpillar occurs, spraying voliam flexi 300SC @ 0.5 ml/l water and hand collection and destruction of infested fruits, larvae, pheromone trap and nappy trap (T3) to be the most effective method for controlling this pest.