[Mutual influence of stock-vine and grape variety on the utilization of plant nutrients with different fertilization levels]
1986
Papric, Dj.
Grape varieties exerted stronger influence on yield elements, i.e. yield indicators, than stock vines. Grape variety also exerted stronger influence than stock vine on the nitrogen and phosphorus contents in leaves and shoots. Potassium content in leaves and shoots at blooming stage has been influenced equally by grape variety and stock vine and stock vine exerted stronger influence than gra1979pe variety on potassium content in leaves at grape maturation stage. The N and K ratio was above the optimum values for vine with all combinations of grape varieties, stock vines and nutrition variants. Variations in grape yields were higher under the influence of grape variety. The average grape weight depended equally on stock-vine, grape variety and nutrition variant. The influence of stock vines on the sugar content in must was stronger than that of grape variety. Stock vines also exerted stronger influence than grape varieties on the acid content in must. The quantity of vine rejected by pruning depends equally on the grape variety, stock vine and nutrition vari
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