Genetically modified parthenocarpic eggplants: improved fruit productivity under both greenhouse and open field cultivation. |
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| Authors: | Nazzareno Acciarri Federico Restaino Gabriele Vitelli Domenico Perrone Michela Zottini Tiziana Pandolfini Angelo Spena Giuseppe Leonardo Rotino |
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| Affiliation: | (1) Research Institute for Vegetable Crops, Monsampolo del Tronto (AP), Italy;(2) Research Institute for Vegetable Crops, Pontecagnano (SA), Italy;(3) Dipartimento Scientifico Tecnologico, University of Verona, Verona, Italy;(4) Research Institute for Vegetable Crops, Montanaso Lombardo (LO), Italy |
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| Abstract: | Background Parthenocarpy, or fruit development in the absence of fertilization, has been genetically engineered in eggplant and in other horticultural species by using the DefH9-iaaM gene. The iaaM gene codes for tryptophan monoxygenase and confers auxin synthesis, while the DefH9 controlling regions drive expression of the gene specifically in the ovules and placenta. A previous greenhouse trial for winter production of genetically engineered (GM) parthenocarpic eggplants demonstrated a significant increase (an average of 33% increase) in fruit production concomitant with a reduction in cultivation costs. |
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