der which these transformed plants will then be capable of making use of their increased stress tolerance (which undoubtedly has been proven in some cases) to increase yields can only be determined experimentally Table 1.1.1 shows the effect of transforming rice with LEA protein from barley (Hordeum vulgare, "HVA1"). In this case, growth (fresh weight production) and the capacity for survival under drought and salt stress were significantly increased. Whether this advantage is sufficient to achieve increased grain yields can only be shown in field experiments.

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