E R R, Kishore A, Chandni. Burr knots in apple trees: Causes, environmental factors, and management. Ind. Horticulture [Internet]. 2024 Sep. 20 [cited 2025 Oct. 28];69(4):20-1. Available from: https://epubs.icar.org.in/index.php/IndHort/article/view/152990