Question of the Week: Chimera

Last week the question was:  What is wrong with this cotton leaf?

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This is a genetic disorder called a chimera.  It’s fairly common and you can find a plant or two with this discoloration in just about any cotton field.  We see this pretty commonly in corn also.  It’s not insect, disease, or environment related and doesn’t have much of an affect on the plant other than not photosynthesizing in the white areas.  For a really detailed description and explanation of why this happens, check out this article.

 

Here is this week’s question:  Why does this young tomato stem change colors an inch up from the roots?

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