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All Journal Biodiversitas Journal of Biological Diversity
SITI ZUBAIDAH
Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Negeri Malang. Jl. Semarang 5, Malang 65145, East Java, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Response of morphological, anatomical, and agronomic characteristics of soybean genotypes to Cowpea Mild Mottle Virus SITI ZUBAIDAH; IMAMA MUJTAHIDA; HERU KUSWANTORO
Biodiversitas Journal of Biological Diversity Vol. 24 No. 7 (2023)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d240739

Abstract

Abstract. Zubaidah S, Mujtahida I, Kuswantoro H. 2023. Response of morphological, anatomical and agronomic characteristics of soybean genotypes to Cowpea Mild Mottle Virus. Biodoversitas 24: 4017-4026. Cowpea Mild Mottle Virus (CpMMV) is a significant disease in soybeans. This disease can cause plant malformations and reduce seed yields. The study used a randomized block design with three replications. Plant materials were five resistant genotypes (MLGG 0006, MLGG 0106, MLGG 0297, MLGG 0315, and MLGG 0599) and five susceptible genotypes (MLGG 0123, MLGG 0379, MLGG 0603, MLGG 0695, and MLGG 0796). The results showed a significant difference between resistant and susceptible genotypes to CpMMV attack. Resistant soybean genotypes had relatively tall stems, many branches, and larger leaf widths. The number of stomata and trichomes of the resistant genotype was less than that of the susceptible genotype. The number of filled pods, the total number of pods per plant, and the number of seeds of the resistant genotype had more numbers than the susceptible genotype. MLGG 0695 was the most responsive genotype because it had a relatively low stem height, few branches, small leaf size, many stomata and trichomes on the leaf surface, the thickest leaf size, and a small number of pods and seeds. The most resistant soybean genotype was MLGG 0297, having a relatively high stem, many branches, large leaf size, few stomata and trichomes on the leaf surface, thin leaf size, and many more pods and seeds. MLGG 0297 can be used as a gene source to develop a superior variety resistant to CpMMV.
Efficacy of bio-pesticide Lecanicillium lecanii against soybean-sucking bugs Riptortus linearis during field application YAYUK MULYATI; SITI ZUBAIDAH; YUSMANI PRAYOGO
Biodiversitas Journal of Biological Diversity Vol. 24 No. 9 (2023)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d240924

Abstract

Abstract. Mulyati Y, Zubaidah S, Prayogo Y. 2023. Efficacy of bio-pesticide Lecanicillium lecanii against soybean-sucking bugs Riptortus linearis during field application. Biodiversitas 24: 4829-4836. This study aimed to determine the effect of application time and surfactants on the efficacy of Lecanicillium lecanii strain Probolinggo in controlling the soybean pod-sucking bug Riptortus linearis in a field test. The study was conducted in a randomized block design consisting of two treatments, namely time of application (7 am, 10 am, 1 pm, and 4 pm) and type of surfactant (alkyl glycerol phthalate and alkylaryl polyglycol ether). Application time at 4 pm showed 93% highest mortality of R. linearis than the other treatments, with the lowest number of punctures (86 punctures) and the highest soybean dry weight (11.38 g), which were not significantly different from the application time of 10 am. The efficacy of L. lecanii increased by 74.3% after adding alkylaryl polyglycol ether. The efficacy of L. lecanii with alkyl glycerol phthalate was not significantly different from the control. In the parameters of the number of seed punctures and dry weight of soybeans, the surfactant treatment gave similar results to the control. The results showed that in the field test, the highest efficacy of L. lecanii against R. linearis occurred at 4 pm with alkil aril polyglycol ether surfactant.
Influence of physicochemical environmental factors on morphometric characteristics of macroalgae from Ambon Island, Indonesia SINTJE LILINE; DOMINGGUS RUMAHLATU; SITI ZUBAIDAH; SRIYANTI SALMANU; Kristin Sangur
Biodiversitas Journal of Biological Diversity Vol. 25 No. 4 (2024)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d250412

Abstract

Abstract. Liline S, Rumahlatu D, Zubaidah S, Salmanu S, Sangur K. 2024. Influence of physicochemical environmental factors on morphometric characteristics of macroalgae from Ambon Island, Indonesia. Biodiversitas 25: 1436-1453. Macroalgae are an essential part of the marine biodiversity of Ambon Island, requiring thorough investigation for conservation and cultivation purposes. Therefore, this study aimed to identify macroalgae and analyze the relationship of environmental physicochemical factors to morphometric characteristics of macroalgae from the coastal waters of Ambon Island, Maluku Province, between June and July 2023. Sampling was performed at four locations, i.e., Hutumuri, Alang, Aer Low, and Suli Villages, followed by laboratory morphometric identification and measurements. The results showed significant variations in the physicochemical environmental factors of the four locations, featuring temperatures ranging from 25.00-30.05°C, pH of 7.00-8.34, salinity of 31.00-32.00, and dissolved oxygen (DO) of 6.00-15.27. Furthermore, the substrate in each location differed, presenting sequentially as sandy coral, coral, sandy coral, and mud sand. 11, 10, 6, and 25 species were found in Hutumuri, Alang, Aer Low, and Suli, respectively. Each species, with distinct morphological characteristics and morphometric sizes, was distributed across the Chlorophyta, Ochrophyta, and Rhodofhyta classes. These observations provided crucial insights into the intricate relationship between environmental factors and morphometric characteristics, including full length, thallus width, and length, as well as holdfast length and width of both same-species and different macroalgae populations in Ambon Island.
Salicylic acid treatment induced change in the morphological, chlorophyll content, and phytochemical traits in two rice genotypes YAYUK MULYATI; SITI ZUBAIDAH; AFIFUDDIN LATIF ADIREDJO; MOCHAMMAD ROFIQ; NURUL JADID; TRIONO BAGUS SAPUTRO; ISNAWATI ISNAWATI; FITRIARI I. MUHAIMIN; FARAPTI FARAPTI; GADIS MEINAR SARI
Biodiversitas Journal of Biological Diversity Vol. 26 No. 2 (2025)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d260226

Abstract

Abstract. Mulyati Y, Zubaidah S, Adiredjo AL, Rofiq M, Jadid N, Saputro TB, Isnawati, Muhaimin FI, Farapti, Sari GM. 2025. Salicylic acid treatment induced change in the morphological traits and the content of chlorophylls and endogenous salicylic acid in two rice genotypes. Biodiversitas 26: 778-788. Salicylic acid (SA) plays a crucial role in rice plant resistance. At the same time, the elicitation mechanisms of its induction are not well understood. The exploration of rice's endogenous SA during the vegetative and generative phases in response to SA elicitation is a new area of study. Similarly, the correlation between SA and rice resistance characteristics is a fresh perspective that this research aims to address. The study focuses on the effect of exogenous salicylic acid (SA) elicitation on plant height, the content of chlorophyll a, b and total chlorophyll, endogenous SA, and the number of productive shoots and filled grains) characters in two rice genotypes, namely genotype A (Situbagendit×Cibogo3) and genotype B (Situbagendit×Ciherang8). SA at concentration 0-2.5 mg L?¹ was applied to the in vitro shoot culture of the rice varieties. The results showed that genotype B had significant content of chlorophyll a, total chlorophyll, endogenous SA content (generative phase), number of productive shoots, and filled rice grains compared to genotype A. SA concentration of 2 mg L?¹ was proven to be the optimal dose that could maximize the resistance and productivity characters of genotype B. Conversely, higher or lower concentrations tended to produce less significant or negative effects. A positive correlation between endogenous SA content and the number of productive shoots was found in genotype B. This study revealed the importance of genetic factors and elicitor concentration in improving rice resistance traits that affect productivity. These findings have practical implications, as they contribute to the development of superior rice cultivars that can support sustainable food security, offering hope for the future of agriculture.
Wing morphological changes in Drosophila melanogaster exposed to Bisphenol-A and Acrylamide SITI ZUBAIDAH; AHMAD FAUZI; DENY SETIAWAN; YAYUK MULYATI; NINDIANA CHOIRUNISA’; NATASYA ADIBA ZAHRAH
Biodiversitas Journal of Biological Diversity Vol. 26 No. 9 (2025)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d260928

Abstract

Abstract. Zubaidah S, Fauzi A, Setiawan D, Mulyati Y, Choirunisa’ N, Zahrah NA. 2025. Wing morphological changes in Drosophila melanogaster exposed to Bisphenol-A and Acrylamide. Biodiversitas 26: 4567-4576. Bisphenol-A (BPA) and acrylamide are two contaminants commonly found in processed food and beverage products. This study aimed to evaluate the impact of acute exposure to BPA and acrylamide contaminants on changes in Drosophila melanogaster wing morphology. The use of wings is based on their sensitivity to environmental changes and is one of the important organs for locomotion and mating in flies. In this study, the wild-type, black, and white strains of D. melanogaster were cultured for two generations to observe the acute exposure to these two contaminants. The statistical analysis showed that acute exposure to BPA and acrylamide for two generations did not correlate strongly with wing length and width changes in the population of the three D. melanogaster strains (p<0.01). We suspect that the lack of correlation may be influenced by the non-monotonic nature of BPA, the detoxification pathway of acrylamide, and exposure studies that are still limited to acute exposure. Of all flies observed, no wing morphological changes were found in the control group. However, <15% of the group exposed to BPA and acrylamide showed wing deformities (e.g., curled, wrinkled, and notched, broken wing veins, detachment, failure in growth, and imperfections in the formation of wing edges or wing cells). The results of this study require further studies, especially on other aspects of the study and exposure over several generations, long enough to see the impact of chronic exposure to BPA and acrylamide over the next few generations.
Co-Authors AFIFUDDIN LATIF ADIREDJO AHMAD FAUZI DENY SETIAWAN DOMINGGUS RUMAHLATU FARAPTI FARAPTI FITRIARI I. MUHAIMIN GADIS MEINAR SARI HERU KUSWANTORO IMAMA MUJTAHIDA ISNAWATI ISNAWATI MOCHAMMAD ROFIQ NATASYA ADIBA ZAHRAH NINDIANA CHOIRUNISA’ NURUL JADID Sangur, Kristin SINTJE LILINE SRIYANTI SALMANU TRIONO BAGUS SAPUTRO YAYUK MULYATI YUSMANI PRAYOGO