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Transgenic cucumber - a current state

Zhimin Yin*, Wojciech Pląder**, Anita Wiśniewska**, Maria Szwacka**, Stefan Malepszy**

**Institute of Plant Genetics
**Polish Academy of Sciences
**Strzeszyńska 34, 60-479 Poznań, Poland
**Department of Plant Genetics, Breeding and Biotechnology
**Warsaw Agricultural University
**Nowoursynowska 166, 02-787 Warszawa, Poland
**e-mail: malepszy@alpha.sggw.waw.pl

Genetically manipulated varieties are cultivated in several crops and this review presents the situation in case of cucumber, in which the genetically modified organisms (GMOs) were not introduced into practice. A part of transgenic cucumber lines showed differences in stable expression and inheritance of the inserted construct. The following new properties were introduced, depending on the composition of the construct: an enhanced CMV resistance, an enhanced gray mold resistance, an elevated superoxide dismutase (SOD) level in fruits (might be useful as a functional cosmetic), an increased yield and a more intensive development, sweet taste of the fruits and the production of parthenocarpic fruits. These new properties were mostly evaluated under the greenhouse conditions. In three cases only the field trials were performed. In one case only the comprehensive evaluation of the transgenic according to the formal rules was performed.

Yin Z., Pląder W., Wiśniewska A., Szwacka M., Malepszy S., 2005. Transgenic cucumber - a current state. Folia Horticulturae 17/1: 73-90.