Limitations in the use of thermal summation for describing the activity of pink bollworm, Pectinophora gossypiella (Saunders), in relation to phenology of Upland cotton in Punjab. ta [Internet]. 1991 Jul. 30 [cited 2025 Apr. 24];68(3). Available from: https://journals.sta.uwi.edu/ojs/index.php/ta/article/view/1703