伪劣种子案件的证据有几个特点：一是原始证据容易灭失，即种子播种以后，便不能再复原、复制，重新取证的真实性很难保证。二是损害后果的证据有严格的时间限制，过了时间，证据便难以成立。如水稻抽穗扬花期不一致的情况，过了期限便难以取得；又如减产或绝收既成事实时，为 The evidence of counterfeit seed cases has several characteristics: First, the original evidence is easily lost, that is, the seeds can not be restored after sowing, and the authenticity of copying and re-obtaining evidence can hardly be guaranteed. Second, the evidence of the consequences of the damage has strict time limits. After a certain period of time, evidence will be difficult to set up. Such as inconsistent rice flowering flowering period, after the deadline will be difficult to obtain; another example is the case of production or income is a fait accompli