Isolation and Selection of Rhizobium Tolerant to Pesticides and Aluminum from Acid Soils in Indonesia

Martani, Erni; Margino, Sebastian; Indradewa, Didiek; Supriyo, Agus

doi:10.5400/jts.2011.16.1.47

Cited by 4 publications

(2 citation statements)

References 10 publications

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“…In the present investigation, e cient nodulation caused by pesticide tolerant strains of Mesorhizobium sp. might be caused by counteraction of phytotoxic effects of pesticides by their biodegradation or enzymatic hydrolysis (Martani et al 2011). Our results are in agreement with Ahemad and Khan (2011) for improvement of nodulation parameters (nodule number and nodule dry weight) with herbicide-tolerant Bradyrhizobium strain MRM6 with PGP traits as compared to un-inoculated plants in greengram.…”

Section: Discussionsupporting

confidence: 88%

Ecological performance of multifunctional pesticide tolerant strains of Mesorhizobium sp. in chickpea with recommended pendimethalin, ready-mix of pendimethalin and imazethpyr, carbendazim and chlorpyrifos application

et al. 2022

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The present study was designed to screen the Mesorhizobium strains (50) for tolerance in four recommended pesticides for chickpea. It was followed by in-vitro development of robust pesticide tolerant strains by growth in pesticides amended media over several generations. Further, veri cation of the multifunctional traits of pesticide tolerant mesorhizobia under pesticide stress was conducted invitro. Among different pesticides, signi cantly high tolerance in Mesorhizobium strains was observed with recommended doses of pendimethalin (37%) and ready-mix (36%) followed by chlorpyrifos (31%) and carbendazim (30%), on an overall basis. Based on multifunctional traits, Mesorhizobium strains viz. MR2, MR17 and recommended MR33 were the most promising. Ecological performance of the potential Mesorhizobium strains alone and in dual-inoculation with recommended PGP rhizobacterium strain RB-1 (Pseudomonas argenttinensis JX239745.1) was further analyzed in eld following standard pesticide application in PBG-7 and GPF-2 chickpea varieties for two consecutive rabi seasons (2015 and 2016). Dual-inoculant treatments; recommended RB-1+MR33 (4.1%) and RB-1+MR2 (3.8%) signi cantly increased the grain yield over Mesorhizobium alone treatments viz MR33 and MR2, respectively. Grain yield in PBG7 variety was signi cantly affected (7.3%) by the microbial inoculant treatments over GPF2 variety. Therefore, the potential pesticide tolerant strains MR2 and MR33 can be further explored as compatible dual-inoculants with recommended RB-1 for chickpea under environmentally stressed conditions (pesticide application) at multiple locations. Our approach using robust multifunctional pesticide tolerant Mesorhizobium for bio-augmentation of chickpea with might be helpful in the formulation of effective bio-inoculants consortia in establishing successful chickpea-Mesorhizobium symbiosis.

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Section: Discussionsupporting

confidence: 88%

Ecological performance of multifunctional pesticide tolerant strains of Mesorhizobium sp. in chickpea with recommended pendimethalin, ready-mix of pendimethalin and imazethpyr, carbendazim and chlorpyrifos application

et al. 2022

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“…Menurut Martani et al (2011) inokulasi Rhizobium di Indonesia sudah lama dilakukan, akan tetapi belum mendapat hasil yang maksimal. Kegagalan inokulasi disebabkan Rhizobium tidak dapat bertahan di lingkungan tanah masam dan mengandung material beracun, seperti Aluminium dan residu pestisida.…”

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Eksplorasi dan Isolasi Bakteri Rhizobium Tumbuhan Leguminosa Di Lahan Bergambut Kampus UIN Suska Riau Pekanbaru

Pamungkas¹,

Irfan²

2018

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Rhizobium is a group of soil bacteria that is able to fixing nitrogens from the atmosphere throught symbiosis mechanism with legumes. It has an important role as a provider of nutrients the plants. Regarding of the fact, this research was aimed to isolate the Rhizobium from root nodules of legumes in peatland areas of State Islamic University of Sultan Syarif Kasim Riau. The Rhizobium isolation was conducted in Laboratory of Pathology Entomology and Microbiology of Faculty of Agriculture and Animal Science. The root nodules of legumes were selected and sterilized using 10 % disinfectant solution for 2 minutes before isolated. The Rhizobium colonies were isolated on Nutrient Agar (NA) media. The results showed there were nine isolates of Rhizobium to be isolated. Macroscopic of the colonies showed there were eight isolates of translucen (white-milk) and one isolate was yellowish-white, with spherical on shape, flat edges, convex surface, and sticky textures of colonies. Microscopic of cells were gram-negative bacill with varies of size i.e. 0.42 ± 0.19 µm to 1.075 ± 0.425 µm of length and 0.25 ± 0.03 µm to 0.6 ± 0.15 µm in width. The Rhizobium isolates of Clitoria laurifolia, Acacia sp., and Albizia sp. were three fastest in growth.

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Isolation and Identification of Bacterium Resistant to Glyphosate and Paraquat Herbicide from Rice Fields

Widowati

Ginting²

2020

IOP Conf. Ser.: Earth Environ. Sci.

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Herbicides are chemicals that commonly used to control weeds in rice fields. The aim of this study was to isolate and identify bacteria that were resistant to glyphosate and paraquat herbicide. The soil sample was collected from two locations in rice fields at Desa Mulyajaya and Kutalanggeng, Karawang. Thirteen bacterial isolates were isolated from rice fields and screened for their resistance to glyphosate and paraquat. One isolate was resistant to 3.500 ppm of glyphosate and 1.400 ppm of paraquat. Based on Biolog omniLog system, the isolate was identified as Ensifer meliloti.

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Isolation and Selection of Rhizobium Tolerant to Pesticides and Aluminum from Acid Soils in Indonesia

Cited by 4 publications

References 10 publications

Ecological performance of multifunctional pesticide tolerant strains of Mesorhizobium sp. in chickpea with recommended pendimethalin, ready-mix of pendimethalin and imazethpyr, carbendazim and chlorpyrifos application

Ecological performance of multifunctional pesticide tolerant strains of Mesorhizobium sp. in chickpea with recommended pendimethalin, ready-mix of pendimethalin and imazethpyr, carbendazim and chlorpyrifos application

Eksplorasi dan Isolasi Bakteri Rhizobium Tumbuhan Leguminosa Di Lahan Bergambut Kampus UIN Suska Riau Pekanbaru

Isolation and Identification of Bacterium Resistant to Glyphosate and Paraquat Herbicide from Rice Fields

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