<![CDATA[This study aims to see the effect of IAA concentration and find the optimum IAA concentration on the growth of stem cuttings of Jupiter variety grapes. The parameters observed in the experiment include: Percentage of budding cuttings, Age of budding cuttings, Number of buds per cuttings 65 hst, Height or Length of shoots 65 hst, Number of leaves per cuttings 65 hst, and Number of live plants 90 hst. Based on the results of experimental data analysis and discussion, several conclusions can be drawn as follows: IAA concentration treatment has a significant effect on increasing the percentage of sprouted cuttings, shoot length 65 hst and number of live plants 90 hst, IAA-optimum concentration for the percentage of sprouted cuttings is 50 ppm IAA, 65 HST shoot length is 35 ppm IAA, and the number of live plants is 33.33 ppm IAA. Growth of grape stem cuttings was higher at concentration treatments lower than 100 ppm IAA concentrations. The effect of IAA concentration on the growth of grape stem cuttings effectively promotes growth lower than 100 ppm concentration, whereas treatment of higher concentrations markedly suppresses the growth of observed parameters. The optimum IAA concentration in more valid grape stem cuttings needs to be experimented with the effect of IAA concentrations below 100 ppm on the growth of Jupiter grape cuttings, because the regression equation obtained in this experiment is influenced by the level of treatment performed.]]>
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