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标题：The Effect of NAA and Ga3on The Growth Performance of Ceriops tagal Seedling
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作者：Rini Budihastuti ; Rini Budihastuti ; Erma Prihastanti 等
期刊名称：Biosaintifika: Journal of Biology & Biology Education
印刷版ISSN：2085-191X
电子版ISSN：2338-7610
出版年度：2018
卷号：10
期号：2
页码：326-333
DOI：10.15294/biosaintifika.v10i2.13625
语种：English
出版社：Universitas Negeri Semarang
摘要：Plant Growth Regulator (PGR) had been widely utilized in improving plant quality and productivity. The mechanism includes the manipulation of plant adaptibility over environmental stress. This research aimed to study the efect of PGR on the growth of C. tagal seedling and to formulate the applicable treatment to improve its growth performance. The research was conducted through laboratory experiment, including tthe combination of NAA and GA3 with the designed concentration of 0 ppm, 150 ppm and 300 ppm. The experiment lasted for one month and involved weekly observation. The plants were treated by spraying once every three days. Observations were conducted to the survival rate, height increment and leaf number development. ANOVA was conducted as statistical analysis method. The result showed that there were no significant effect of PGRs on the height increment of C. tagal seedling. The survival rate was lowest in the control and 150 ppm NAA treatments, while treatment with 300 ppm GA3 was highest. The application of 300 ppm GA3 was the best treatment for the livelihood of C. tagal seedling, while the application of 150 ppm GA3 was considerable alternative due to its growth performance. This research provide a novel finding concerning the application of PGRs on the seeding process of C. tagal. Thus, it could be applied in the seeding activities by the mangrove farmers to improve the productivity and quality of mangrove seedling.
关键词：Ceriops tagal; GA3; Height increment; NAA; PGR; Survival