Transport Of Water And Minerals In Plants

Chemicalanalysis of the sieve tube sap to study translocated photosynthates, have revealed the presence of the food substances like sugars (mostly sucrose; also sometimes glucose and fructose-but in traces only) among carbohydrates, and mostly amino acids as well as amines and some soluble proteins-among the nitrogenous materials. Sucrose is most suitable form of carbohydrate translocation as it is non-reducing and chemically stable