Paletri, Tara Sesafia and Nurcahyani, Endang (2019) Stomata Index of Cattleya sp. Lindl., Planlet in Drought-Stress Conditions. Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati, 6 (1). pp. 15-19. ISSN 2338-4344


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ABSTRACT Cattleya was one of the most popular orchids by Indonesian. Constraints in cultivating Cattleya included the lack of water availability in an area, causing drought stress. Stress in drought in vitro can be simulated by adding Poly Ethylene Glycol 6000 and growth regulators in atonic form. The purpose was to determine the effect of atonic solution and PEG 6000 on the stomata indextowardin vitro drought stress conditions. This study was carried out in a 3 x 3 factorial experiment. Factor A was an atonic solution with 3 concentration levels: 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, 25% b/v. The results showed that the higher the concentration of PEG 6000 and atonic concentrations caused a decrease in the stomata index of Cattleya orchid plantlets under drought stress conditions in vitro. Keywords : Orchids, Cattleya, Stress, Stomata

Item Type: Article
Subjects: Q Science > QK Botany
Divisions: Fakultas Matematika dan Ilmu Pengetahuan Alam (FMIPA) > Prodi Biologi
Date Deposited: 08 Jun 2020 01:25
Last Modified: 08 Jun 2020 01:25

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