Nurcahyani, Endang (2019) Effect of Drought-Stress Conditions in Chlorophyll Content of Dendrobium sp. Planlets. Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati, 6 (1). pp. 20-26. ISSN ISSN 2338-4344 eISSN 2686-200X


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ABSTRACT Dendrobium sp. was popular ornamental plant and has high economic value. One of many obstacles in the growth of orchids in Indonesia is low humidity and lack of water availability. Regulatory Substance Growth in the form of atonic solution can increase the growth of orchid plants. The purpose of this study was to determine the effect of atonic solutions on orchid chlorophyll content in drought stress conditions. This study used a 3x3 factorial design. Factor A is Atonik with 3 levels of concentration: 0 mL/L, 2 mL/L, and 3 mL/L. Factor B is PEG 6000 with 3 concentration levels: 0% b/v, 20% b/v and 25% b/v. The parameters tested were chlorophyll a, b and total Dendrobium orchid plantlets. The results showed that atonic solution and PEG 6000 significantly affected the chlorophyll a, b and total content. The higher concentration of atonic solution, the more content of chlorophyll a, b and total plantlets of decreased in drought stress conditions in vitro. Keywords: Atonic, Drought stress, Dendrobium sp., In Vitro, Polyethylene Glycol

Item Type: Article
Subjects: Q Science > QK Botany
Divisions: Fakultas Matematika dan Ilmu Pengetahuan Alam (FMIPA) > Prodi Biologi
Date Deposited: 14 Nov 2019 10:12
Last Modified: 14 Nov 2019 10:12

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