Consumption of nutrients by infected and virus-free potato plants
1993
Martirosyan, Yu.Ts. | Rashkovich, N.L. | Melik-Sarkisov, O.S. | Storozhenko, V.A. | Chernobrovkina, M.A.
Specificity of mineral nutrition in virus-free potatoes is discussed in the paper. It is shown that healthy potatoes differ considerably from the infected ones in total output of nutrients, N:P:K-ratio, effectiveness of using the consumed nutrients for yield formation, and in the intensity of nutrients' output in critical periods of consumption. It is concluded that virus-free potatoes respond more to application of fertilizers and are more sensitive to nutritional background of the soil than the infected ones. For this reason the introduction of virus-free potatoes into farm production requires correction in the system of applying fertilizers
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