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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 Phomopsis obscurans ： ウィキペディア英語版 Phomopsis obscurans Phomopsis obscurans (leaf blight) is a common disease-causing fungus affecting strawberry plants. Although the fungus infects leaves early in the growing season, leaf blight symptoms are most apparent on older leaves near or after harvest. The disease can weaken strawberry plants through the destruction of older foliage. Weakened plants can result in reduced yields the following year. In years highly favorable for disease development, leaf blight can cause defoliation and, in some cases, death of plants. The fungus can also cause a fruit rot called soft rot, especially in warmer climates, which can result in serious losses. == Symptoms == Symptoms of leaf blight infections begin as one to several circular reddish-purple spots on a leaflet. Spots enlarge to V-shaped lesions with a light brown inner zone and dark brown outer zone. Lesions follow major veins progressing inward. The whole leaflet may turn brown. In severe cases, stolons, fruit trusses and petioles may become infected which may girdle and kill the stem. 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「Phomopsis obscurans」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.