Mudiyanselage, A. M., H. J. Ridgway, M. Walter, J. Smith, M. V. Jaspers, and E. E. Jones. “Factors Affecting Sporulation and Infection of Peronospora Sparsa in New Zealand Boysenberry Gardens”. New Zealand Plant Protection, vol. 74, no. 1, Feb. 2021, pp. 10-19, doi:10.30843/nzpp.2021.74.11726.