Interactions of Rubidium, Sodium, and Potassium on the Nutrition of Sugar Beet Plants

AUTOR(ES)
RESUMO

The effect of Rb on the growth and the development of sugar beet plants (Beta vulgaris, var. MS NB1 × NB4) depends on the Rb concentration, the K supply, and the relative abundance of Na. Rubidium added either to a low or high K solution with or without added Na increased leaf blade size greatly, possibly through an effect on phytohormones or through a “partitioning effect” on the distribution of carbohydrates, with top growth favored over storage roots.

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