Water immersion test for evaluation of physiologic potential of rice seeds
Keywords:
Oryza sa va L., vigor, quality seeds.Abstract
The objective of this work was to determine the best condi ons for the water immersion test and to evaluate its e ciency for applica on on rice seeds. Five seed lots of cv. rice IRGA 417 were used, which were submited to immersion treatments tests for periods of 24, 48, 72, 96 and 120 hours at 25 C. After treatments, germina on test, par al and total length of seedlings and seedlings dry mater were accomplished. Water immersion test in the condi on of 24 hours of immersion of the seeds at 25 C, with evalua on of normal seedlings developed, is viable to evaluate vigor on rice seeds.
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