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INDUCTION OF DROUGHT RESISTANCE IN MELON (Cucumis melo L.) M15 WITH HORMOPRIMING BRASSINOSTEROID BASED ON MORFOLOGY, ANATOMY, AND PHYSIOLOGY ASPECTS Arif Nur Rifki Rifki; Solichatun; Ari Pitoyo
BIOMA : Jurnal Ilmiah Biologi Vol. 13 No. 1 (2024): April 2024
Publisher : LPPM Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/bioma.v13i1.893

Melon productivity in Indonesia has been declining. Global climate change is affecting the productivity of melons. Long-term droughts have contributed to a reduction in plant growth and development. Hormopriming is an alternative to increase the germination and growth of melon plants by soaking seeds in a solution of plant growth regulators. Brassinosteroid can enhance germination and plant tolerance under drought conditions. The objective of this research is to examine the impact of brassinosteroid hormopriming treatment on the germination and growth of melon plants subjected to various degrees of drought stress. The study utilized a two-factor fully randomized design. The brassinosteroid concentrations used were 0, 0.05, 0.10, and 0.15 ppm. Media with different water capacities of 75%, 50%, and 25% Space Capacity (SC) were used to test drought stress resistance. Water capacities were examined using the gravimetric method. This study's findings suggest that treating melon plants with brassinosteroid variations can induce drought resistance in M15 melons. A brassinosteroid concentration of 0.15 ppm is the best concentration, as it can increase all parameters of plant growth and adaptation under each variation of water availability provided. The findings of this study can serve as a reference for melon cultivators constrained by dry land conditions to increase the efficiency of cultivation.

Keanekaragaman Kultivar Pisang (Musa spp.) Berdasarkan Karakter Biokimia Pada Berbagai Ketinggian Tempat di Kabupaten Boyolali Adimas, Lastya; Suratman; Solichatun
Bioscientist : Jurnal Ilmiah Biologi Vol. 13 No. 3 (2025): September
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v13i3.17509

This study aims to determine the effect of differences in growing places altitude on the diversity of biochemical characters (glucose, vitamin C, and folic acid) of three banana cultivars (Musa acuminata (AAA)/ambon, Musa balbisiana (BBB)/kepok, and Musa paradisiaca (AAB)/raja) grown in Boyolali Regency. The study was conducted at three growing places altitudes: Kemusu (123 masl), Musuk (667 masl), and Gladagsari (806 masl). Biochemical content data were tested quantitatively using UV-Vis spectrophotometry and a refractometer, with five replications per location, then analyzed using ANOVA. The results showed significant variation between cultivars and locations in terms of vitamin C and folic acid levels, with the Musa balbisiana (BBB)/kepok cultivar in Musuk having the highest vitamin C content. Furthermore, environmental factors such as light intensity and temperature significantly influenced the variation in biochemical content. This study strengthens the understanding of the interaction between genotype and environmental factors (G × E interaction) in shaping the nutritional quality of bananas. In conclusion, the selection of appropriate cultivars and planting locations can optimize the nutritional value of bananas.

INDUCTION OF DROUGHT RESISTANCE IN MELON (Cucumis melo L.) M15 WITH HORMOPRIMING BRASSINOSTEROID BASED ON MORFOLOGY, ANATOMY, AND PHYSIOLOGY ASPECTS Rifki, Arif Nur Rifki; Solichatun; Pitoyo, Ari
BIOMA : Jurnal Ilmiah Biologi Vol. 13 No. 1 (2024): April 2024
Publisher : Prodi Pendidikan Biologi, FPMIPATI, Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/bioma.v13i1.893

Melon productivity in Indonesia has been declining. Global climate change is affecting the productivity of melons. Long-term droughts have contributed to a reduction in plant growth and development. Hormopriming is an alternative to increase the germination and growth of melon plants by soaking seeds in a solution of plant growth regulators. Brassinosteroid can enhance germination and plant tolerance under drought conditions. The objective of this research is to examine the impact of brassinosteroid hormopriming treatment on the germination and growth of melon plants subjected to various degrees of drought stress. The study utilized a two-factor fully randomized design. The brassinosteroid concentrations used were 0, 0.05, 0.10, and 0.15 ppm. Media with different water capacities of 75%, 50%, and 25% Space Capacity (SC) were used to test drought stress resistance. Water capacities were examined using the gravimetric method. This study's findings suggest that treating melon plants with brassinosteroid variations can induce drought resistance in M15 melons. A brassinosteroid concentration of 0.15 ppm is the best concentration, as it can increase all parameters of plant growth and adaptation under each variation of water availability provided. The findings of this study can serve as a reference for melon cultivators constrained by dry land conditions to increase the efficiency of cultivation.

Pengaruh Asam Salisilat Eksogen Terhadap Pertumbuhan dan Biomassa Tiga Kultivar Seledri (Apium graveolens L.) Rochmania, Alviana; Suratman; Solichatun
Bioscientist : Jurnal Ilmiah Biologi Vol. 13 No. 4 (2025): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v13i4.17703

This research aims to determine the effect of exogenous salicylic acid (SA) application at concentrations of 0 (control), 25, 50, 75, and 100 ppm on plant height, number of leaves, and fresh weight of three different celery cultivars, namely ‘Amigo’, ‘Aroma’, and ‘Summer green’. This study utilized a completely randomized factorial design. The first factor was the difference in celery cultivars, which consisted of three cultivars: ‘Amigo’, ‘Aroma’, and ‘Summer Green’. The second factor was the difference in salicylic acid concentration, which consisted of five levels: 0 ppm (control), 25 ppm, 50 ppm, 75 ppm, and 100 ppm. There were three replicates for each treatment. Plant height, number of leaves, and fresh weight were the parameters measured. A two-factorial analysis of variance (ANOVA) was used to analyze the data. The results of Duncan's Multiple Range Test at the 5% level showed that the results of the analysis were significant at less than 0.05. The results of the study showed that treatment with exogenous SA significantly affected the three celery cultivars. In general, the application of AS at lower concentrations (25 and 50 ppm) tended to increase growth parameters and biomass compared to the control. The 50 ppm AS treatment provided optimal results, especially in the ‘Summer green’ cultivar, which showed an increase in plant height, number of leaves, and fresh weight. Higher concentrations (75 and 100 ppm) showed negative effects, inhibiting growth and biomass, indicating toxicity. It can be concluded that the application of exogenous salicylic acid can be an effective strategy to increase celery productivity, provided that the his concentration is optimal. Differences in response between cultivars indicate the importance of determining the appropriate concentration for each plant type.

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