流行性土豆病虫害；与一种单一的农学植物相联系的植物流行病的环境。
An epiphytotic blight of potatoes; epiphytotic conditions associated with a single-plant agriculture.
课程包括植物病原体学、植物流行病学、蔬菜和庄稼疾病研究、植物病毒学和植物细菌学。
Classes for this degree will include plant pathogens, plant epidemiology, diseases of vegetable and field crops, plant virology, and plant bacteriology.
课程包括植物病原体学、植物流行病学、蔬菜和庄稼疾病研究、植物病毒学和植物细菌学。
Classes for this degree will include plant pathogens, plant epidemiology, diseases of vegetable and field crops, plant virology, and plant bacteriology.
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