Study on the Effect Profenofos® (EC 50%) Different on Cotton Bollworm, Helicoverpa armigera (Hub.) in Golestan Province

Document Type : Original Article


1 Cotton Research Institute of Iran, Agricultural Research, Education and Extension Organization (AREEO), Gorgan, Iran.

2 Iranian Research Institute of Plant Protection, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran


Cotton Boll Worm, Helicoverpa armigera an important pest of cotton in Iran. In order to compare the effect of commercial formulations of insecticides on the control of Helicoverpa armigera cotton bollworm, a field experiment was conducted in Hashemabad cotton research station Golestan province in 2018. This experiment was used in the form of a randomized complete block design with 9 treatments and 4 replications including 9 formulations of perfenofos® from different companies along with the control on the cotton plant as spraying application. A sampling of larvae mortality statistics was determined 3, 7 and 14 days after spraying application and corrected according to the Henderson-Tilton formula and analyzed by SAS software. Mean treatments were also compared with Duncan's multiple range test. According to the results of comparing the average in the Golestan province showed that in 3 days after spraying Profenofos®, Rahandish Kavan Company with 65.7% and Shimy Keshavarz Company with 65.2% had the most impact. Percentage of the effect of Profenofos® toxin in 7 days after spraying the formulation of Raha Andish Kavan Company with 81.9% and Profenofos® Shimy Keshavarz with 81.2%, the highest percentage of effect in the group a, and Profenofos® of Raja Shimy Company with 77.5 %, Kimia Bahar with 70.5% were in the next group and Sazegan with 57.2 5% in group c.