A century of weed change in New Zealand’s forage seed multiplication industry


	Significant contaminant species with an increasing presence trend in perennial ryegrass seed lots. Contaminants are listed in alphabetical order. Note: Y-axis only goes up to 60%.

Part of: Rubenstein JM, Hulme PE, Rolston MP, Stewart AV, Hampton JG (2023) A century of weed change in New Zealand’s forage seed multiplication industry. NeoBiota 85: 167-195. https://doi.org/10.3897/neobiota.85.100825