IR-4 program tests materials for specialty crops

Issue Date: September 7, 2016
By Bob Johnson

This year, researchers are taking a close look at the effectiveness of a new fungicide on avocados, another aphid material for tomatoes and an herbicide for pear trees: These are among the dozens of research projects financed by the U.S. Department of Agriculture under the IR-4 program, to register materials for the relatively small-acreage crops that are so important in California.

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