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甘薯性喜温暖怕寒冷潮湿的环境,秋收后需窖藏才能安全越冬。在入窖和贮藏期间,如果管理不当很容易引发多种病害发生。为此,须弄清甘薯贮藏期各种病害发生的原因,以采取相应措施加以预防。一、甘薯贮藏期主要病害的发生症状及其发病原因1、甘薯冻害。甘薯冻害是贮藏期腐烂的主要原因之一。1冻害症状。薯块受冻后,受冻部位水浸状,用力挤压有清水渗出。受冻薯块内部变褐发黑,形成硬心、硬皮,蒸煮不烂,且有异味发苦。
Sweet potato likes to warm the cold and damp environment, after harvest in autumn to ensure safe winter. In the cellar and storage period, if not properly managed can easily lead to a variety of diseases. To this end, we must clarify the sweet potato storage period of various diseases occurred in order to take appropriate measures to prevent it. First, the sweet potato storage period of the main symptoms of disease and its causes 1, sweet potato damage. Sweet potato frost damage is one of the main reasons for decay during storage. 1 frost damage symptoms. After the tubers are frozen, they are flooded by the frozen part and pressed with water. By brown potato crisp black interior, forming a hard heart, crusty, cooking is not bad, and bitter taste.