Van der Merwe, Johanna Jacoba; Coutinho, Teresa A.; Korsten, Lise; Van der Waals, Jacqueline Elise
(Springer, 2010-02)
In South Africa during the 2006/2007 potato growing season, outbreaks of blackleg occurred, causing severe economic losses in commercial potato production fields. Symptoms were initially observed on only one stem per plant, ...