Somatic hybridization between the diploids of S. 3 michoacanum and S. tuberosum

• Autorzy: Szczerbakowa A. , Tarwacka J. , Oskiera M. , Jakuczun H. , Wielgat B.
• Języki publikacji: EN

Abstrakty

EN

Interspecific somatic hybrids between a diploid potato clone DG 81-68 susceptible to Phytophthora infestans (Mont.) de Bary and a resistant diploid tuber-bearing species Solanum × michoacanum were generated and analyzed. About 30 regenerants displaying an intermediate morphology were obtained as a result of three separate PEG-mediated fusion experiments. The RAPD analysis confirmed the hybridity of all the regenerants. About 50% of the hybrid plants exhibited vigorous growth and were stable in culture, while the rest of them rooted poorly and grew slowly in vitro. Most of the hybrid clones were at the tetraploid level (70%), while 30% of the clones examined were at the hexaploid level. The S. × michoacanum (+) DG 81-68 hybrids with growth anomalies were aneuploid. The variation in late blight resistance of the hybrid clones was found in detached leaflet tests, with enhanced resistance characteristic for three tetraploid hybrids.

• Wydawca: -
• Czasopismo: Acta Physiologiae Plantarum
• Rocznik: 2010
• Tom: 32
• Numer: 5
• Opis fizyczny: p.867-873,fig.,ref.

Twórcy

autor

Szczerbakowa A.

• Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Pawin´skiego 5A, 02-106 Warsaw, Poland

autor

Tarwacka J.

• Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Pawin´skiego 5A, 02-106 Warsaw, Poland

autor

Oskiera M.

• The Emil Chroboczek Research Institute of Vegetable Crops, Konstytucji 3 Maja 1/3, 96-100 Skierniewice, Poland

autor

Jakuczun H.

• Młocho´w Research Center, Plant Breeding and Acclimatization Institute (IHAR), Platanowa 19, 05-831 Młocho´w, Poland

autor

Wielgat B.

• Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Pawin´skiego 5A, 02-106 Warsaw, Poland

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