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Cytological and histological studies of the interaction between Botryosphaeria dothidea and apple twigs
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文摘

The infection process of apple twigs by Botryosphaeria dothidea was examined by light and electron microscopy.

The fungal hyphae entered the apple twigs at the lenticels.

Hyphae expanded both inter- and intracellularly, formed pycnidia beneath the epidermal cells.

Defensive periderm surrounded the pathogen hyphae demarcation the healthy and the diseased tissues.

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