棕榈科观赏植物真菌病害鉴定

Identification on the Fungal Diseases of Palmae Ornamental Plants

鉴定了采自广州和顺德棕榈科观赏植物上的9种病原真菌,即银海枣小球腔菌(LeptosphaeriaphoenixP.G.Xi,Y.X.ChenetZ.D.Jiang)、围小丛壳[Glomerellacingulata(Stonem)Spauld.etSchrenk]、球色单隔孢(BotryodiplodiatheobromaePat.)、灰葡萄孢(BotrytiscinereaPers.)、辣椒炭疽[Colletotrichumcapsici(Syd.)Butl.＆Bisby]、棒弯孢(CurvulariaclavataJain.)、棕榈拟盘多毛孢(PestalotiopsispalmarumCooke)、异线拟茎点(PhomopsisheteronemaSacc.)、棕竹拟茎点(PhomopsisrhapidisGonz偄lezFragoso).其中银海枣小球腔菌为新种,模式标本保存于华南农业大学植物病害标本室.

Nine pathogenic fungi on ornamental plants of Palmae in Guangzhou and Shunde regions were identified, including Leptosphaeria phoenix P. G. Xi, Y. X. Chen et Z. D. Jiang, Glomerella cingulata (Stonem) Spauld. et Schrenk,Botryodiplodia theobromae Pat.,Botrytis cinerea Pers., Colletotrichum capsici (Syd.) Butl. & Bisby,Curvularia clavata Jain., Pestalotiopsis palmarum Cooke, Phomopsis heteronema Sacc.,and Phomopsis rhapidis González Fragoso. Among them Leptosphaeria phoenix is a new species in science. Type specimens are deposited in the Fungal Collection of South China Agricultural University. 