Question of the Week: Fasciation

Last week the question was:  What happened to this sweet potato vine?

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The abnormal wide growth of this stem is called fasciation.  The cause of fasciation is not totally understood, though it is thought to be a hormonal imbalance from a genetic mutation.  Fasciation is fairly common in sweet potatoes and does not affect the yield.  For more info, take a look at this page from Perdue.

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Here is this week’s question:  Which grassy weed is this that produces stolons that are shaped like torpedoes at their tips?

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