Friday, March 11, 2011

Parsnip Root Rot

Parsnips, carrots and many other root crops are susceptible to attack by root rotting organisms.  The results as seen on this parsnip are not nice.

Parsnip Root Rot
This parsnip was harvested in the spring after being subjected to disease organisms all winter.  More than likely the soil was clay based and held an excessive amount of water, excellent conditions for root rot to occur.

To prevent this problem in the future the grower needs to ensure root crops are not planted back into this area for at least 3 years.

Areas where root crops are to be planted should be amended to improve drainage. This is best accomplished with a coarse organic matter - 1/4 inch in diameter.  Don't use sand as this will most likely result in a concrete-like soil. Large particle of organic matter can result in crooked roots.

Avoid cultivating around root crops.  Any damage to the 'skin' of the root will be a spot where these disease organisms can invade.

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