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Sharka (plum pox)

, : Sharka (plum pox). Acta Horticulturae (44): 147-173

a. Jordovic, M.M. (Inst. Pl. Prot., Belgrade, Yugoslavia). Study of sharka spread in some plum orchards (147-154). Evidence is presented that in nature sharka is spread by aerial vectors only. During the first years of spread infected trees were distributed in different parts of orchards. Later, newly infected trees were mostly situated close to the trees infected in previous years, indicating that the main sources of infection were trees infected in the orchard.b.

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