从事植保学科的我们这些人常被要求按照植病、害虫、植物寄生线虫、杂草等所致的作物“损失”来证实它们的重要性。我还不能判明“作物损失”一词的起源,也说不清这个词在植保文献中使用了多久。总之,它的出现可追溯到许久以前,很可能它就是我们植保学科自己创造的词儿。且不说它的起源如何,我的看法是大多数情况下这个词用得不正确。这里我只来论证用这词说明植 Those of us working in phytosanitary disciplines are often asked to confirm their importance in terms of crop “losses” caused by plant diseases, pests, parasitic plant parasites, weeds and the like. I still can not tell the origin of the term “crop loss” nor can I say how long it has been used in the plant protection literature. In short, its appearance dates back to a long time ago, and it is likely that it is the word of our own discipline. Not to mention its origin, my opinion is that the word is not used properly in most cases. Here I will only prove that this term is used to describe plants