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Potato Diseases

PVY reaction to mechanical inoculation with PVY necrotic strains. Potatoes were grown in a growth chamber and plants were ELISA negative for PVY strains at inoculation. ELISA at inoculation and before harvest were negative for PVX and PLRV.

Alturas	Alturas
Alturas	Defender
GemStar Russet	GemStar Russet
GemStar Russet	Ranger Russet
All photos: J. Whitworth, 2004

 

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