gray speck

noun

: a disease of oats caused by manganese deficiency and characterized by light green to grayish spots on the leaves and especially the blades that later turn buff or light brown

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Cite this Entry

“Gray speck.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gray%20speck. Accessed 28 May. 2024.

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