Question of the Week: Black Shank

Last week the question was:  What is wrong with this tobacco plant?

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This plant has fallen victim to black shank.  This is a fungal-like disease that affects the roots and crown of the plant.  Black shank basically destroys the roots causing the plant to wilt and die.  Control methods include planting on raised beds to avoid prolonged soil saturation, crop rotation, destruction of crop residue, planting resistant varieties, and chemical control.  For more information, take a look at this APS page.

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Here is this week’s question:  What’s wrong with these cotton leaves?

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