The author put forward a concept of seed germination inhibition relative index, and it has good corking adaptivity to explain the seeds germination capacity of Pinus tabulaeformis under water stress.

• 研究提出了种子发芽抑制相对指数概念，用以解释油松种子在水分胁迫萌发能力的强弱，具有很好的适用性。