Wright, P. J., Searle, B., Tyson, J. L. and Mellow, K. D. (2019) “The current outbreak of stemphylium leaf blight of onion in New Zealand – identification of cause and review of possible risk factors associated with the disease”, New Zealand Plant Protection, 720, pp. 10-20. doi: 10.30843/nzpp.2019.72.254.