Efficacy of chemical repellents to reduce bird damage rate to oilseed rape plants
Introduction: Oilseed rape (Brassica napus) is considered as a strategic crop by the Ministry of Jihad-e Agriculture.Birds are important pests of this crop that cause severe damage to the oilseed rape plant every year.Bird damage to oilseed rape was noticed because of edible oil import and the importance of self-sufficient production in Iran.Bird d