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1FEDERAL EXPERIMENT STATION, MAYAGUEZ, PUERTO RICO
2SUBTROPICAL FRUIT FIELD STATION, ORLANDO, FLORIDA
1
This work was done at the Federal Experiment Station, Office of Experiment Stations, Agricultural Research Administration, U. S. Department of Agriculture, Mayaguez, Puerto Rico, and was a cooperative project between this Station and the Office of Foreign Agricultural Relations, U. S. Department of Agriculture.