Physiological indices associated with the growth of varieties of potato obtained by biotechnological methods
Journal Title: Biotecnología Vegetal - Year 2011, Vol 11, Issue 2
Abstract
The aim of this work was to evaluate physiological indexes associated with growth of potatoes varieties (Solanum tuberosum L.) micropropagated using biotechnological methods. Minitubers with 10-15 grams of ‘Grettel’, ‘Romano’ and ‘Santana’ varieties were planted in field. Minitubers were planted into row at 0.20m and rows were separated each other at 0.90m. Foliar Dry Mass (FDM), absolute growth gate (AGR) and relative growth rate (RGR), were evaluated at 21 and 75 days after plantation. Dry matter of tubers per plants was determined at 75 days after plantation. Greater values of FDM, AGR and RGR were determined in ‘Grettel’ with 14.9 g, 2.76 g day -1 and 0.036 g g -1 day -1 respectively. Similarly, the greater dry matter of tubers per plants was 126 g tuber -1 in ‘Grettel’. ‘Romano’ and ‘Santana’ showed lower values in physiological indexes in comparison with ‘Grettel’, but not differences were observed between both varieties. These results may be used to select varieties with higher production of dry matter in and better physiological quality in potato seed production using biotechnological methods.
Authors and Affiliations
Michel Leiva-Mora, Yelenny Portela Díaz, Sinecio Torres García, Novisel Veitía, Felipe Jiménez-Terry, Daniel Agramonte, Miladys León, Yelenys Alvarado-Capó, Mayra Acosta-Suárez, Mileidy Cruz-Martín, Cynthia Sánchez, Berkis Roque
Keywords
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