劣種子是指：（1）質量低于國家規定的種用標準的；（2）質量低于標簽標注指標的；（3）因變質不能作種子使用的；（4）雜草種子的比率超過規定的；（5）帶有國家規定檢疫對象的有害生物的。　　
 
    假種(zhong)(zhong)(zhong)(zhong)子(zi)是指(zhi)：（1）以非種(zhong)(zhong)(zhong)(zhong)子(zi)冒(mao)充(chong)(chong)種(zhong)(zhong)(zhong)(zhong)子(zi)或(huo)者以此種(zhong)(zhong)(zhong)(zhong)種(zhong)(zhong)(zhong)(zhong)子(zi)冒(mao)充(chong)(chong)他種(zhong)(zhong)(zhong)(zhong)種(zhong)(zhong)(zhong)(zhong)子(zi)的；（2）種(zhong)(zhong)(zhong)(zhong)子(zi)種(zhong)(zhong)(zhong)(zhong)類、品種(zhong)(zhong)(zhong)(zhong)、產(chan)地與標簽(qian)標注的內(nei)容不符的。