The best ligature for citrus veneer grafting in Northern part of Taiwan found out in this experiment was palystyrene string and enveloping with polystyrene bag.

• （八）在本省北部春季之阳光下对于柑桔切接后之包扎，以采用塑胶带结縳接本部，再套包白色塑胶袋为最理想。