Effect of the salinity on the germination of cultivars of grains under conditions in vitro
DOI:
https://doi.org/10.5281/zenodo.15482219Keywords:
germination, cultivars, salinityAbstract
Context: The salinization of the soil now is since one of the most serious problems that faces the agriculture, it affects the production of foods significantly; for this reason it becomes necessary the study of tolerant cultivars to these conditions for their inclusion to the productive outlines of the country.
Objective: To select for their tolerance to the salinity, 14 cultivars de Tomato (Solanum lycopersicum L.)
Methods: It was studied under conditions in vitro the tolerance of 15 cultivars of grains in front of different concentrations of chloride of sodium (NaCl) (50 mm, 150 mm, 200 mm), for this end, it was determined: the germination percentage (PG) and the index of speed of germination (IVG) of the seeds as the index Maguire describes.
Results: Of the 14 tomato cultivars (Solanum lycopersicum L.) studied they were selected as promissory as for the germination percentage (PG) to concentrations of 50 mm of NaCl, the cultivars T60 and FL-5 without significant differences among them, with regard to the rest. The M-78 continues him, with 80-germinationpercentage to this concentration of salt, for what you/they constitute promissory materials to be used in agroecosystems affected by this condition. All they showed differences in the index of speed of germination of seeds. As for the index of germination speed (IVG) he/she stands out in the control T60 and M-78 in the witness without significant differences among them and to the 50 Mm, FL-5 and T60, M-78 and CV-28 continue him, without significant differences among this finish. El rest of the studied cultivars did not tolerate the studied ranges of salinity.
Conclusions: Of the 14 cultivars studied in the germination percentage (PG) to 50 mm of NaCl, they stand out the cultivars T60 and FL-5 with superior results without significant differences among them, with regard to the rest. The M-78 continues him, with 80-germinationpercentage to this concentration of salt, for what you/they propose as promissory to be used in agroecosystems affected by salinity.
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