秦冠苹果种子的总呼吸强度和EMP途径的呼吸强度在2℃条件下层积之后逐渐增加，解除休眠临界期大体在层积后第30天发生，此后增长速度较快。
The total respiration and EMP-pathway increased gradually and the critical period occur on the 30th day in " Qinguan " apple seeds after stratification at 2 ℃, and then the total respiration and EMP went up rapidly .
秦冠苹果