| dc.description.abstract | This study aims to determine the effect of giving a combination of Kinetin
and NAA (Naphthalene Acetic Acid) on the growth of Siam Madu Orange (Citrus
nobilis L.) seedless. This research was conducted at the Biotechnology
Laboratory, Faculty of Agriculture, Universitas Sumatera Utara, Medan with an
altitude of ± 25 meters above sea level from December 2024 to April 2025. This
study used a completely randomized design (CRD) method with 2 treatment
factors and 3 replications. The first factor is the concentration of Kinetin, namely
K0 (0 ppm), K1 (1.5 ppm), and K2 (3 ppm). The second factor is the concentration
of NAA, namely N0 (0 ppm), N1 (1 ppm), and K2 (2 ppm). The parameters
observed in this study included the percentage of live explants, shoot emergence
time, number of shoots, shoot height, number of leaves, number of roots, root
length, and stem diameter. The results showed that the administration of Kinetin
had a significant effect on the time of shoot emergence and the number of roots,
but had no significant effect on the number of shoots, shoot height, number of
leaves, root length, and stem diameter. The administration of NAA has a
significant effect on the number of leaves and the number of roots, but has no
significant effect on the time to appear buds, the number of buds, shoot height,
root length, and stem diameter, while the interaction between the treatment
combination of Kinetin and NAA has a significant effect on the number of roots,
but has no significant effect on the time to appear buds, the number of buds, shoot
height, number of leaves, root length, and stem diameter. | en_US |
