Several types of mechanical sizes are available for small scale operations. One type is composed of a long slanted tray with a series of opening which coverage (largest at the top, smallest at the bottom). This type of sizes works best with round commodities.
The grading of fruits plays an important role in domestic and export marketing of fruits. Different fruits have different grades on the basis of their size and weight.
Grade designation and quality of fruits: Minimum requirements are :
Fruits should be
a) clean, round, free from any visible foreign matter
b) fresh in appearance, free of pests
c) free from damage caused by pests or diseases
d) free of any foreign smell and/or taste
The grades of different fruits and vegetables suggested by Directorate of Marketing and Inspection (DMI) are as under:
Kinnow