EFFECT OF RUST INFECTION ON SUGAR BEET YIELD COMPONENTS

Document Type : Original Article

Authors

1 Maize and Sugar Crops Diseases Section, Plant Pathology Research Institute, Agricultural Research Center, Giza, Egypt

2 Plant Pathology Department, Faculty of Agricultural, Ain Shams University, Cairo, Egypt

Abstract

The effect of sugar beet rust (Uromyces betae Tul. ex. rick) on crop yield and industrial qualities was quantitatively investigated . Significant differences were found between healthy and diseased plants, in root weight, sucrose % in root, non-sucrose chemical components (potassium, sodium and alpha amino adds), and quality %. Root weight, sucrose % and quality % were inversely affected by disease severity . Consequently, white sugar yield (WSY) was reduced due to the increase of non-sugar constituents which impede sugar crystallization .

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