一、损伤(Injury),损害(Damage),和损失(Loss)植病学家运用的术语不断变易,致使具有特定涵义的特定术语之间难免意思混淆。本文中,称损伤作物的生物为有害生物(harmful organism)。产量(yield)则指具经济价值的、可测量的作物产品。有害生物所致的可见、可量症状统称为损伤,其涵义相当于语义较模糊的术语“作物损害”(crop damage),产量之量和/或质的降低称为 I. Injury, Damage, and Loss The terminology used by therapists is constantly changing, resulting in the inevitable confusion of specific terms with specific meanings. In this article, organisms that damage crops are called harmful organisms. Yield refers to a measurable crop product of economic value. The visible and measurable symptoms caused by the pests are collectively referred to as lesions, which have the same meaning as the semantic ambiguous term crop damage, the amount of yield and / or the reduction in quality is called