In vitro antifungal activity of plant extracts against fungal pathogens of onion (Allium cepa L.) and red pepper (Capsicum annum L.) in selected districts of Western Hararghe, Ethiopia

埃塞俄比亚西部哈拉尔盖部分地区植物提取物对洋葱（Allium cepa L.）和红辣椒（Capsicum annum L.）真菌病原体的体外抗真菌活性