The experimentchose ZIQ IU VitisdavidiiFoёx asthe testmaterial,and used hardw ood cuttingsin differentmatricesto observe the survivalrate,rootand dendrite grow th.The resultsshow ed thatcallusinduction rate and rooting rate ofthe hardw ood cuttingsin sand+rice husk ash w ere the highest,and callusinduction rate and rooting rate ofburgeon cuttage in rice husk ash w ere the highest.The study of Vitiscutting...