Ikhsan, Muhammad (2023) Pengaruh Bap dan Ga3 terhadap Pertumbuhan Anggrek Hibrida (Dendrobium Deni Erianto) Secara In-vitro. Other thesis, Universitas Islam Riau.

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Abstract

The purpose of this study was to determine the interaction and main effect of BAP and GA3 on hybrid orchids (Dendrobium deni erianto). This research was carried out at the Tissue Culture Laboratory, Faculty of Mathematics and Natural Sciences, University of Riau, Campus Bina Widya Km, 12.5, Simpang Baru, Tampan District, Pekanbaru City. This research was conducted for 4 months starting from October 2022 to January 2023. The design used in this study was a Completely Randomized Factorial Design consisting of 2 factors. The first factor was the BAP concentration consisting of 4 levels without treatment, 0.05 ppm, 0.5 ppm and 5 ppm and the second factor was the GA3 concentration consisting of 4 levels without treatment, 0.05 ppm, 0.5 ppm and 5 ppm. Each treatment consisted of 3 replications, so that 48 experimental units were obtained. In the experimental unit there were 4 plants and 2 were used as observation samples taken randomly to obtain 192 plants. If the calculated F is greater than the F table, then the follow-up test is continued with honest significant differences (BNJ) at the 5% level. The results showed that the interaction of BAP and GA3 administration to hybrid orchid explants in vitro was significantly different in the percentage of explant growth, time of shoot emergence, number of shoots, shoot height and wet weight of shoots treated with BAP 5 ppm and GA3 5 ppm. The interaction of BAP administration was significantly different to the time of shoot emergence, number of shoots, shoot height and shoot wet weight with the best treatment of BAP 5 ppm. The interaction of GA3 administration was significantly different on the time of emergence of shoots, number of shoots, shoot height and wet weight of shoots with the best treatment of GA3 5 ppm.

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