Control of starch content in potato | Управление содержанием крахмала в картофеле
2010
Korshunov, A.V. | Filippova, G.I. | Gaitova, N.A., The A.G. Lorkh All-Russia Research and Development Inst. of Potato Production, Moscow Region (Russian Federation) | Kutovenko, L.N., Russian State Agrarian Correspondence Univ., Moscow Region (Russian Federation)
The physiological and biochemical changes and connections defining the starch accumulation in potato tubers are showed. Using the radioisotope C14O2 are analysed data on carbohydrates accumulation in leaves, speed of their movement in tubers, synthetic and decomposing enzyme activities in plant organs, the content of starch in tubers depending on the combination of fertilizers. The necessity for dose phosphorus application level not lower than nitrogen is reasoned. Recommendations on the optimal combination of macrofertilizers, ensuring compromise between yield and tuber starchiness for sod-podzoil sandy-loam and loamy, grey forest, peat, chernozem soils in dry-farming and irrigation are given.
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