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All Journal Journal of Tropical Soils AGRIVITA, Journal of Agricultural Science Jurnal Ilmu Alam dan Lingkungan
Albert Fernando Sitorus
University Of Brawijaya
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Environmental Science Immunology & microbiology Veterinary

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Response Macronutrient Content of Saline-Resistant Paddy to the Saline Source Distance Aditya Nugraha Putra; Martiana Adelyanti; Albert Fernando Sitorus; Qoid Luqmanul Hakim; Melati Julia Rahma; Istika Nita; Sudarto Sudarto; Alia Fibrianingtyas
JOURNAL OF TROPICAL SOILS Vol 26, No 2: May 2021
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2021.v26i2.63-74

Abstract

The impact of salinity on paddy production in Indonesia was pronounced with an average decline of 6.83% (2015-2019). Salinity interferes with macronutrients' absorption into plants, causing stunted growth (salinity contributed to a 42% decrease in paddy production). One solution to solve the salinity problem in paddy is to use saline varieties. There were very few studies on macronutrient content analysis in resistant varieties response to the salinity source's distance.  This research conducted in Jabon Sidoarjo, Indonesia, aims to see the macronutrient response and plant growth to the saline source's distance. This research was conducted in Jabon District, Sidoarjo Regency, using two transects with a length of 2 km and 3.4 km, respectively. The distance between the research location and the salinity source was 10.65 km.  The survey used a free grid to adjust paddy fields' location and the presence of resistant varieties. The results showed that the closer to the salinity source, the salinity indicators consisting of Electrical Conductivity, Sodium Adsorption Ratio, Exchangeable Sodium Percentage, and pH H2O would increase. The increase in salinity then affects the decrease in macronutrients (Nitrogen, Phosphor, and Kalium) in plants. However, tillers and leaves (length and number) were unaffected by high salinity levels in the soil.
The Effectiveness Comparison Between Application of Indigenous Arbuscular Mycorrhizal Fungal Community and Stenotrophomonas maltophilia to Suppress Fusarium Wilt Incidence on Local Garlic Plant (Lumbu Hijau) Rifani Rusiana Dewi; Syarifah Maulidya Rahmah; Ardiyan Taruna; Luqman Qurata Aini; Ito Fernando; Abdul Latief Abadi; Muhammad Akhid Syib’li
AGRIVITA, Journal of Agricultural Science Vol 45, No 1 (2023)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v45i1.3970

Abstract

Wilt disease caused by Fusarium oxysporum is one of the most serious plant diseases in the world. There is no effective contol for. This study investigated the potential of arbuscular mycorrhizal and bacterial antagonists to control F. oxysporum through in vitro and in vivo studies. In this study, the antagonistic bacteria Stenotrophomonas maltophilia was isolated from mycorrhizal propagation media. Antagonist bacteria S. maltophilia showed antagonistic ability against F. oxysporum with an inhibition zone of 17.9 cm. Antagonistic bacteria and mycorrhizae used in this study significantly reduced the incidence of fusarium wilt in in vivo experiments. It was found that mycorrhizal and S. maltophilia inoculation showed disease incidence rates at 40% and 47.6%. While in the control treatment the incidence of disease reached 90.3%. The biocontrol agents of S. maltophilia and mycorrhizae have a promising prospective strategy to protect garlic plants. These results are expected to provide new insights for sustainable crop protection systems.
Potensi Serbuk Biji Ketumbar dan Rimpang Jahe terhadap Hama Kumbang Kacang Azuki Callosobruchus chinensis M. Bayu Mario; Ludji Pantja Astuti; Lekhnath Kafle; Jue-Liang Hsu; Muh. Ridha Taqwa Tang; Ito Fernando; Yogo Setiawan
Jurnal Ilmu Alam dan Lingkungan Vol. 14 No. 1 (2023): Jurnal Ilmu Alam dan Lingkungan
Publisher : Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/jal.v14i1.26208

Abstract

Adzuki bean weevil, Callosobruchus chinensis (Linnaeus) (Coleoptera: Chrysomelidae) is one of primary pests that infest the adzuki bean, mung bean, cowpea, chickpea, and other legumes. This study aimed to investigate the effect of coriander seed and ginger rhizome powders in 1, 2, and 3 g dose admixed directly with adzuki bean on biological variables of C. chinensis and grain quality in laboratory conditions. This study was arranged by completely randomized design (CRD) that consisted of six combination treatments and control. Each of treatment was repeated five times. Observed biological variables consisted of adult longevity, fecundity, and F1 progeny. Observed grain quality variables consisted of percentage of damaged grain and grain viability. Results showed that adzuki bean treated with ginger powder on 2 and 3 g dose had good results to control C. chinensis and kept the grain quality in relatively good condition compared to other treatments and control.
Co-Authors Abdul Latief Abadi Aditya Nugraha Putra Alia Fibrianingtyas Ardiyan Taruna Istika Nita Jue-Liang Hsu Lekhnath Kafle Ludji Pantja Astuti Luqman Qurata Aini M. Bayu Mario Martiana Adelyanti Melati Julia Rahma Muh. Ridha Taqwa Tang Muhammad Akhid Syib’li Qoid Luqmanul Hakim Rifani Rusiana Dewi Sudarto Sudarto Syarifah Maulidya Rahmah Yogo Setiawan