Teliospore germination process and affecting factors of Puccinia xanthii f. sp. ambrosiae-trifidae
苍耳柄锈菌三裂叶豚草专化型冬孢子萌发过程及萌发条件的研究

The teliospore germination process and affecting factors of Puccinia xanthii sp. ambrosiae-trifidae were studied by means of light microscopy, scanning electron microscopy (SEM) and fluorescence microscopy. The telia were initially subepidermal and erumpent after maturation. The teliospores tended to be rumpled and formed a cap-like protrusion at the apex before germination, and then basidia arised from underneath of the cap-like protrusion. The upper and lower cells of teliospores were capable of germinati...