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black stem

American  

noun

Plant Pathology.
  1. a disease of plants, characterized by blackened stems and defoliation, caused by any of several fungi, as Ascochyta imperfecta or Mycosphaerella lethalis.


Example Sentences

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What's more, the researchers found that ethanol promotes the growth of symbiotic fungi preferred by several other types of ambrosia beetles, suggesting the phenomenon is not unique to the black stem borer, Biedermann says.

From National Geographic • Apr. 9, 2018

Next, the scientists raised black stem borers in the lab, exposing them to a tube full of sawdust.

From National Geographic • Apr. 9, 2018

Ug99, which was discovered in Uganda in 1999, is a form of black stem rust that can wipe out whole harvests.

From BBC • Jun. 27, 2013

It looked like a mushroom atom cloud, low with a black stem.

From Time Magazine Archive

Snow was again on the ground, every twig encased in a round tube of glassy ice through which showed the grey, brown, or black stem, for a wonderful glissade had followed the milder weather.

From Ringfield A Novel by Harrison, S. Frances (Susie Frances)