Page 19 - October freshletter_UK
P. 19

Chilean growers are looking forward to plant ITUM, even

         thinking of uprooting old vineyards and replacing them with

         new varieties. Varieties such as Itum15, Itum7 and Itum6 have
         attracted the interest of growers as substitutes for the Flame,
         Crimson and Thompson varieties respectively





                                             commercially were selected on the basis   What acceptance has met the ITUM
                                             of lower labor need and maximum yield.   grapes in the market?
                                             For example, ITUM grapes, despite their   We will know this from the 2020/2021
                                             high productivity, do not throw away ex-  season, when grapes from the first vine-
                                             cess vines, so they do not need to spend   yards will be reach the Market. So far, our
                                             as much labor on their thinning/ pruning   experience has been limited to the cultiva-
                                             as on other varieties. They also get color   tion stage, where, as we have said, we see
                                             easily, which reduces the cost of applying   excellent prospects.
                                             relative care. In conclusion, we are talking   However, we have welcomed Chinese
                                             about varieties selected by and for produc-  and Korean importers, who have shown
                                             ers who are looking to reduce costs and in-  particular interest in the new varieties, fo-
                                             crease production.                 cusing on the crisp texture, size and pleas-
                                                                                ant taste.
                                             How would you evaluate their
                                             post-harvest behavior and their ad-  What is the future prospect of plant-
                                             aptation to different supply chain con-  ing ITUM varieties?
                                             cerns?                              Chilean growers are looking forward to
                                              The grapes of the ITUM program have   plant ITUM, even thinking of uprooting old
                                             excellent post-harvest behavior, as they   vineyards and replacing them with new va-
                                             withstand up to 90 days of reservation in   rieties. Varieties such as Itum15, Itum7 and
                                             fridges, they do not dissolve and main-  Itum6 have attracted the interest of grow-
                                             tain their crispness. In the A.N.A. CHILE we   ers as substitutes for the Flame, Crimson
                                             have carried out exhaustive tests, evalu-  and Thompson varieties respectively.
                                             ating bunches collected from different or-
                                             igins and at different ripening stages, with   Given your experience working with
                                             brix levels of 18 and 21, and their durability   the ITUM varieties so far, if you had
                                             on long journeys was consistently stand-  an ITUM Researcher in front of you,
                                             ing out in all tests.              what better or more would you ask
                                              We compared these outcomes with   him about the grapes?
                                             those of the Crimson and Thompson Seed-  Conserve the «provincial» genes of these
                                             less varieties and in all cases their behav-  varieties. The ITUM program is character-
                                             ior was the same or better than these two   ized by the selection of grapes under Mur-
                                             traditional varieties.             cia’s climatic conditions, which determines
         How easy is it and how much does it   Also, it is important to note that in order
         cost to grow ITUM varieties compared   to import into the US, Chile must disinfect   the expression of the phenotype and al-
         to other varieties?                 its grapes using bromomethane. The tests   lows the evaluator to work with plants of a
                                                                                wide range and adaptability. So I would say
           Since these varieties were selected by   we have done show that ITUM varieties re-
         the producers, their cultivation is very easy   spond better to this method than others,   to the Researchers to keep this character-
                                                                                istic that makes grapes so productive, ear-
         to manage. The grapes selected to grow   such as the Crimson Seedless.  ly and adaptable.



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