ergot

例句：

1. 1. The farmer usedergot to control the pestsin his wheat fields.
   农民使用麦角来控制他小麦田中的害虫。
2. 2.Ergot is a potent poison that cancause severe allergic reactions.
   麦角是一种强烈的毒药，可以引起严重的过敏反应。
3. 3. The farmers are concerned about the potentialhealth risks associated with using ergotas a pesticide.
   农民们担心使用麦角作为杀虫剂可能带来的健康风险。