广东柑橘疫霉研究
Phytophthora species infecting citrus in Guangdong Province
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摘要: 从广东省柑橘栽培老区的苗圃和果园采集的罹病柑橘组织样本中分离获得36个疫霉菌株,鉴定出6个种,其中柑橘褐腐疫霉Phytophthora citrophthora 11株,烟草疫霉P.nicotianae 9株,棕榈疫霉P.palmivora 7株,辣椒疫霉P.capsici和掘氏疫霉P.drechsleri各4株,柑橘生疫霉P.citricola 1株.Abstract: Thirty six Phytophthora isolates were collected from invaded tissues of stems, leaves, coleoptiles, roots and fruits of citrus. Based on the morphological, cultural and physiological characteristics, 6 species of Phytophthora were isolated. Among them, 11 isolates in Phytophthora citrophthora , 9 isolates in P. nicotianae, 7 isolates in P. palmivora , 4 isolates in P. capsici , 4 isolates in P. drechsleri and 1 isolates in P. citricola were identified.