In recent times, much research on the storage of onions has focused on developing alternatives to the use of maleic hydrazide (MH) treatment to maintain onion dormancy, since consumers are becoming intolerant of chemical residues in food. Reviews on onion storage since the late 1980s include Komochi (1990), Currah and Proctor (1990) (tropics), Maude (1990) (diseases) and Brice et al. (1997). In this chapter we selectively review research published since the preparation of Onions and Allied Crops (Rabinowitch and Brewster, 1990), presenting significant advances in onion pre- and postharvest science.
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