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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Pecan anthracnose ： ウィキペディア英語版 Pecan anthracnose Pecan anthracnose is a fungal disease of Pecan trees caused by the ascomycete ''Glomerella cingulata'' (Stoneman) Spauld. & H. It is a widespread disease found wherever pecan trees are grown. Pecan Anthracnose has been reported as far back in time as 1914 (Rand 1914),〔http://naldc.nal.usda.gov/download/IND43965424/PDF〕 and as far away as Argentina (Mantz, Minhot et al. 2010).〔http://www.cabdirect.org/abstracts/20103247313.html;jsessionid=1D3AD420D2BCBD7B8387E93CF726869A〕 ''Glomerella cingulata'' has two anamorphs which cause disease on pecan trees, ''Colletotrichum gloeosporioides'' and ''Colletotrichum acutatum'' (Latham 1995).〔http://www.apsnet.org/publications/PlantDisease/BackIssues/Documents/1995Articles/PlantDisease79n02_182.pdf〕 The occurrence of ''Colletotrichum'' on pecans has contributed to a significant decline in pecan production in various years. An increase in the incidence of Pecan Anthracnose is highly correlated with heavy rainfall, especially heavy rainfall occurring in early spring. The severity of symptoms increases as the season progresses, often culminating in leaf drop in the late autumn. This defoliation is linked to lower yield and poorer quality of nuts(Brenneman 2010).〔http://www.caes.uga.edu/commodities/fruits/pecan/growers/documents/leaf%20anthracnose%202010.pdf〕 == Economic consequences == The financial loss due to Pecan Anthracnose in 2009 in Georgia was estimated at 3.4 million USD (Brock 2010).〔http://www.caes.uga.edu/Publications/pubDetail.cfm?pk_id=7899〕 However, the actual loss due to the disease is difficult to quantify. Due to the nature of carbohydrate storage in perennials, the damage to pecan production is also likely to present itself in a lower yield in the year directly following a disease outbreak (Worley 1979).〔http://www.dirtdoctor.com/Pecan-Insight-into-Alternate-Bearing-Research_vq3775.htm〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Pecan anthracnose」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.