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Re: Blackwell switchgrass ID

The cultivar 'Blackwell Switchgrass', Panicum virgatum, was released to the 
seed trade in 1944. It was put into the trade through through the cooperative 
efforts of the SCS, now NRCS, and the Kansas AES. Blackwell switchrass is a 
medium height, leafy, mostly blue, wide leafed form possessing good 
resistance to foliar diseases.
Blackwell is adapted to a wide range of soils and climatic conditions. Other 
switchgrass selections and wild, native, harvests get into the trade in 
favorable years. The only sure way I know of of verifying Blackwell from 
another strain is to find one of the original fields still held as a breeders 
block or Foundation field at the seat of origin at the Plant Materials Center 
Manhattan, Kansas.

0   
One sure way of distingishing Blackwell switchgrass from a common field run 
of  
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