It was identified to be a domestic new plant disease, sunflower Phoma blackstem.
经鉴定，确定其为国内新病害——向日葵茎点霉黑茎病。
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Most of the time they pass through, teetering on a steep hillside where they spend the morning hunched over to find the fungus's crooked blackstem poking through the dirt.
The scientists think that these circles stem from the results of collisions between supermassive black holes that released huge, mostly isotropic bursts of energy.