<![CDATA[The limiting factor affecting the production of sorghum in Indonesia is the rapid decline of sorghum seed vigor and viability. One way of restoring vigor and viability is hydration-dehydration. This study aimed to know that invigoration with the hydration-dehydration method can improve the quality of physiological sorghum seed and to determine the most appropriate conditions to use. This experiment used a completely randomized design (CRD) with 3 treatments and 4 replicates and was conducted at the Laboratory of Seed Science and Technology, Andalas University from January until March 2019. The treatment in these trials are: A = not hydrated-dehydrated seeds (control), B = Hydration for 1 hour and dehydration for 6 hours at the temperature 400C, C = high-quality seeds. The data were analyzed using the F test at the 5% significance level. Significant differences were further analyzed using an Honestly Significant Difference (HSD) test also at the 5% level. The results showed that hydration-dehydration can increase the vigor and viability of sorghum seeds from 56% to 70,5% and 55% to 75%.]]>
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