Three new varieties of tangerines - the TDE2, TDE3, and TDE4 - are the University of California’s most recent citrus varieties to be released for commercial production. The tangerines, which are complex hybrids, are siblings since they share the same parents. The varieties will be patented and eventually be given trademarked names. The three tangerines are large fruited compared to other varieties, have a sweet taste, and bear fruit with a deep orange rind.
"While the new tangerines share many similarities, they also differ from each other in their characteristics," said Mikeal Roose, professor of genetics at UC Riverside. "They do have one outstanding attribute however: all three are very low seeded, less than one seed per fruit, even when the trees are planted with other varieties. This is a highly-sought attribute for the fresh fruit market."
Although the crosses were made in 1973, it was not until the 1980s that now-retired UC Riverside Professors Robert K. Soost and James W. Cameron recognized the potential of these individual seedlings for commercial development.
| Average fruit size
for a tangerine
|Mean width||2.95 in (75 mm)||2.60 in (66 mm)||2.95 in (75 mm)|
|Mean height||2.32 in (59 mm)||2.20 in (56 mm)||2.30 in (58 mm)|
|Mean weight||6.5 oz (185 g)||4.75 oz (135 g)||6.0 oz (175 g)|
|Avg. juice content (%)||49||48||42|
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