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Responsive regions for direct organogenesis in sunflower cotyledons

100%

Vega T. A., Nestares G. M., Zorzoli R., Picardi L.

Acta Physiologiae Plantarum

2006

tom 28

nr 5

Regeneration efficiency from three different regions of cotyledonary explants was examined in six sunflower inbred lines. Proximal, middle and distal regions from seedling cotyledons were cultured on regeneration medium supplemented with growth regulators. Plant regeneration by direct organogenesis was observed after four weeks. Significant differences among inbred lines were found for regeneration percentage and average number of shoots per total explants. Also a decreasing regeneration capacity was observed from proximal to distal sections for all inbred lines. Regeneration ability from cotyledonary explants in this species is strongly influenced by the genotype and by the region from which the explant was obtained. The distance to the cotyl edonary node plays a preponderant role in the expression of shoot forming capacity. Shoot differentiation via seedling cotyledons depends upon the presence of the proximal region of cotyledon regardless of the genotype.

A 54-kDa polypeptide identified by 2D-PAGE and bulked segregant analysis underlies differences for pH values in tomato fruit

76%

Pereira de Costa J. H., Vega T. A., Pratta G. R., Picardi L. A., Zorzoli R., Rodriguez G. R.

Acta Physiologiae Plantarum

2017

tom 39

nr 03

Ograniczanie wyników

2 Acta Physiologiae Plantarum

2 Vega T. A.

2 Zorzoli R.

1 Nestares G. M.

1 Pereira de Costa J. H.

1 Picardi L.

1 Picardi L. A.

1 Pratta G. R.

1 Rodriguez G. R.

1 2017

1 2006

Wyniki wyszukiwania

Responsive regions for direct organogenesis in sunflower cotyledons

A 54-kDa polypeptide identified by 2D-PAGE and bulked segregant analysis underlies differences for pH values in tomato fruit