Ib "seedling" yog ib qho stimulator ntawm kev loj hlob thiab kev tiv thaiv ntawm nroj tsuag, ua nyob rau ntawm lub hauv paus ntawm ntuj yam. Cov tshuaj yog siv rau qhov kho kev kho mob ntawm tubers, qhov muag teev thiab cov noob. Tom qab kev kho mob nrog nyob tus yeees, lub vigor ntawm germination nce, germination kho txhim kho thiab siv ntawm kev loj hlob ntawm cov nroj tsuag ntawm vegetative theem nce.
