Chynoweth R, Rolston M, Mccloy B. Plant growth regulators: a success story in perennial ryegrass seed crops. NZGA R&P Series [Internet]. 2010 Jan. 1 [cited 2026 Jul. 13];14:47-5. Available from: https://www.nzgajournal.org.nz/index.php/rps/article/view/3189