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US tolerance exemption for Valent BioSciences PGR

The US EPA has established a temporary tolerance exemption for Valent BioSciences’ plant growth regulator, S-abscisic acid, on pome and stone fruit, grapevines, pineapples, leafy vegetables, and herbs and spices. The exemption is associated with an experimental use permit that expires on August 7th 2012. The EUP covers a total of 6,913 acres (2,798 ha) of crops.



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