1.【植】夏孢子堆
1.a reddish or black mass of spores produced on a plant by a rust fungus
1.The uredinia could sprout after over-winter. The poplars inoculated by overwinter urediniospores could result in diseases.
在病叶上越冬的夏孢子能够萌发,用越冬夏孢子接种杨树可以导致发病。