Singburaudom, N. and Willams, R. (1978) “The Relationships between Local Lesion, Local Colonization and Systemic Symptoms of Sorghum Downy Mildew on Sorghum after Inoculation with Conidia”, Agriculture and Natural Resources. Bangkok, Thailand, 12(2), pp. 92–95. available at: https://li01.tci-thaijo.org/index.php/anres/article/view/240815 (accessed: 18 September 2026).