Translocation of Sugars Into Infected Cabbage Tissues During Clubroot Development 1

AUTOR(ES)

Keen, N. T.

RESUMO

Sucrose, glucose, and inositol were the major sugars in cabbage hypocotyls infected by Plasmodiophora brassicae and in noninfected hypocotyls, based on paper, thin-layer, and gas-liquid chromatography. Small amounts of trehalose were tentatively identified in extracts from noninfected hypocotyls, whereas up to 20× this level occurred in extracts from infected hypocotyls. Inositol declined in the infected hypocotyls while glucose increased to about 4× the level in noninfected hypocotyls. Fructose and mannose concentrations increased about 2-fold in the diseased hypocotyls, whereas the galactose concentration was about one-third that of noninfected hypocotyls.

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