Siti Himawati

ORCID: 0009-0006-8625-431X
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About
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Research Areas
  • Plant Growth and Agriculture Techniques
  • Plant Growth Enhancement Techniques
  • Plant Parasitism and Resistance
  • Moringa oleifera research and applications
  • Phytochemistry and Bioactivity Studies
  • Phytochemistry and Biological Activities
  • Flowering Plant Growth and Cultivation
  • Plant-Microbe Interactions and Immunity
  • Plant tissue culture and regeneration
  • Legume Nitrogen Fixing Symbiosis
  • Shallot Cultivation and Analysis
  • Oil Palm Production and Sustainability
  • Biofuel production and bioconversion
  • Plant Genetic and Mutation Studies
  • Anaerobic Digestion and Biogas Production
  • Plant Molecular Biology Research
  • Agricultural Development and Management
  • Clay minerals and soil interactions

National Research and Innovation Agency
2021-2024

Indonesian Agency for Agricultural Research and Development
2023-2024

Center for Agricultural Research
2021

Badan Pengkajian dan Penerapan Teknologi
2020

Universitas Gadjah Mada
2018

Drought stress is one of the most significant abiotic factors that limit plant growth and survival. However, drought treatment can increase synthesis bioactive compounds, especially in medicinal plants like Phyllanthus niruri. The research aim was to assess effects on response, phenolics, flavonoid content P. niruri subjected for various field capacities (FC) (Control, 85%, 80%, 75%, 70%, 55%). result showed all observed variables are significantly different, while chlorophyll not entirely...

10.1063/5.0183955 article EN AIP conference proceedings 2024-01-01

Abstract Halotolerant bacteria are reported as a potential biostimulant to mitigate saline stress on various crops. The mechanism of halotolerant in elevating plant growth under is associated with their growth-promoting (PGP) traits. This study evaluated the activity single-strain phosphate-solubilizing and its consortia that were able fix nitrogen produce ACC deaminase alleviating salinity Zea mays seedlings vitro conditions. One single strain five bacterial isolates tested for seedling...

10.1088/1755-1315/1160/1/012004 article EN IOP Conference Series Earth and Environmental Science 2023-04-01

Lamtoro (Leucaena leucocephala cv Tarramba) merupakan salah satu hjauan pakan tenak yang potensialuntuk dikembangkan. Perbanyakan vegetatif dengan stek batang alternatif perbanyakanyang memiliki keunggulan dapat dilakukan secara cepat oleh masyarakat dan memliki sifat sama denganinduknya. Tujuan penelitian ini adalah untuk mengetahui umur fisiologis jenis zat pengatur tumbuhyang terbaik keberhasilan tanaman lamtoro. Penelitian menggunakan rancangan acakkelompok dua faktor perlakuan diulang...

10.24843/pastura.2020.v10.i01.p10 article ID cc-by Pastura 2020-11-20

Abstract Salinity stress has negative effects on plants physiologically as well lowering productivity. Application of microbial inoculant seed treatment is one the bio-techniques that have proved to be efficient in enhancing salinity resilience agriculture, especially for seedling development. This study aims determine effect inoculation halotolerant bacteria consortium development maize seedlings under saline stress. The experiment used four different bacterial consortia namely B5 (two...

10.1088/1755-1315/1182/1/012042 article EN IOP Conference Series Earth and Environmental Science 2023-06-01

Phyllanthus niruri L. is one of the wild species originated-medicinal plant. It widely used for various purposes, such as immunostimulant, anti-hepatotoxic, anti-HIV, anti-lithic, anti-hypertensive, and anti-hepatitis B. One its significant phytochemicals contents a flavonoid. Cultivation method, harvesting time, flavonoid extraction time were estimated to have different responses on P. content. Therefore, this research was carried out investigate effect cultivation, total content by...

10.1063/5.0184244 article EN AIP conference proceedings 2024-01-01

Salah satu faktor penting dalam budidaya tanaman secara hidroponik adalah pemberian nutrisi AB mix dengan konsentrasi dan debit yang sesuai. Pemberian pengontrolan ketinggian tersebut dapat menggunakan modifikasi alat sistem wick dirancang berdasarkan beberapa tingkat nutrisi. Penelitian ini bertujuan untuk mengetahui pengaruh terhadap pertumbuhan caisim. dilaksanakan pada Agustus hingga September 2023 di rumah kaca BSIP Kementerian Pertanian, Cimanggu, Bogor. Rancangan digunakan Acak...

10.29244/jhi.15.1.16-22 article ID Jurnal Hortikultura Indonesia 2024-04-25

In order to obtain high-quality seedlings, the effects of temperature, relative humidity, and photosynthetic photon flux density (PPFD), seed Phyllanthus niruri L. (meniran) were investigated in different microclimate (temperature, PPFD) environments. The present study was conducted from February May 2024 at experimental greenhouse screen house National Research Innovation Agency, Banten, Indonesia. Microclimate parameters observed thrice daily 8 am, 12 pm, 3 pm during research. two...

10.25047/agriprima.v8i2.673 article EN cc-by-sa Agriprima Journal of Applied Agricultural Sciences 2024-09-30

Abstract Bacterial endophyte and rhizobacteria were reported to associate with medicinal plants including Zingiberaceae involved in growth promotion. These beneficial bacteria are promising candidates as biostimulants because of their ability promoting plant growth. This study aims evaluate the activity endophytic rhizosphere isolated from Curcuma xanthorrhiza (Javanese turmeric) rice seedling Javanese turmeric Fifty-seven 150 total bacterial isolates negative hemolysis hypersensitivity...

10.1088/1755-1315/913/1/012022 article EN IOP Conference Series Earth and Environmental Science 2021-11-01

Systematic management of oil palm-cattle integration considers as one the best alternative solutions to meet need increasing local beef and dairy.The change in palm plantation systems can influence soil microbial community.Microbes mediate many key processes soils are essential driving ecosystem stability sustainability production.The research aimed investigate grazing an on bacteria involved nitrogen cycle.We evaluated abundance diazotrophic, nitrifying, denitrifying ungrazing area...

10.2991/absr.k.210609.073 article EN cc-by-nc Advances in biological sciences research/Advances in Biological Sciences Research 2021-01-01

Abstract This research is an initial study of the effects vernalization and Gibberellins in two different environments. The was conducted a split-split plot design with three factors times repetition. main environment (environment 1, 2), split temperature (3±2 9±2°C), Gibberellin concentration (0, 50, 100, 150 ppm). result showed that vernalizations have significantly affected plant height (p<0.01). height, number tillers, leaves. There interaction between treatment on vernalization,...

10.1088/1755-1315/1271/1/012097 article EN IOP Conference Series Earth and Environmental Science 2023-12-01

This study aims to determine the effect of organic fertilizer on kinetics potassium release and uptake find best kinetic models describing K from soils. The treatments included control, inorganic fertilizer, 10 ton/ha cow manure, 5 ton·ha−1 green 7.5 + manure (2:1). experiment was analyzed using RCBD with three replications. non-exchangeable extracted 0.01 M CaCl2for 2hto 168 h data were fitted five mathematical models: zero-order reaction, first-order power function equation, parabolic...

10.1088/1755-1315/215/1/012031 article EN IOP Conference Series Earth and Environmental Science 2018-12-20
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