There were dense materials in the intracellular space of endotheliocytes and tubule cells, even there were dense materials on the basal part of tubule cells.
毛细血管内皮细胞与肾小管上皮细胞之间有电子致密物沉积，甚至肾小管上皮细胞基底部也有致密物沉积。
It mainly damages basal stock of sweet orange trees, inducing foot rot, tree declining, yield decreasing, even tree death.
该病是一种土传病害，主要危害甜橙类柑桔树近地表根颈部，引起腐烂，导致树势下降。
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