All of these seeds from the wheat field were dead over 2 years after burying . After 2 years , the germinability of the seeds om the wheat field was 57.0 % , for Galium aparine and 80 % for Veronica persica ;
猪殃殃、波斯婆婆纳的种子在旱田中2年内的发芽率为57.0%、80.0%，但在水田内其死亡率达98.7%、100.0%；
Galium aparine