Phytophthora cinnamomi  Associated with Root and Crown Rot of Walnut in  T urkey | Zendy

Kurbetlİ İlker | Zendy

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Phytophthora cinnamomi Associated with Root and Crown Rot of Walnut in T urkey

Author(s) -

Kurbetlİ İlker

Publication year - 2013

Publication title -

journal of phytopathology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.53

H-Index - 60

eISSN - 1439-0434

pISSN - 0931-1785

DOI - 10.1111/jph.12047

Subject(s) - phytophthora cinnamomi , biology , canker , crown (dentistry) , root rot , taproot , orchard , pathogenicity , botany , horticulture , internal transcribed spacer , juglans , phytophthora , microbiology and biotechnology , phylogenetic tree , medicine , biochemistry , dentistry , gene

Walnut decline caused by P hytophthora sp. occurred in an orchard in Sakarya province in Turkey. Affected young trees showed poor growth, leaf discolouration, root and crown rot and eventual death. A P hytophthora sp. isolated from necrotic taproots and crown tissues. The causal agent of the disease was identified as P hytophthora cinnamomi by morphological characteristics and comparing sequences of internal transcribed spacer ( ITS ) region. Upon conducting pathogenicity test, averaging 7.8‐cm‐long canker developed on basal stem within 2 weeks, while no cankers developed in the control plants.

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