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R. Niwa · SciRah

Researcher profile · Semantic Scholar

R. Niwa

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R. Niwa — researcher profile on SciRah

h-index: 7
Works: 10
Citations: 266

Most-cited papers

Complete Genome Sequence of Bradyrhizobium sp. S23321: Insights into Symbiosis Evolution in Soil Oligotrophs
T. Okubo, Takahiro Tsukui, Hiroko Maita, Shinobu Okamoto +45 more
2012Microbes and Environments68 citations Open access
Semantic Scholar
Increase in soil pH due to Ca-rich organic matter application causes suppression of the clubroot disease of crucifers
R. Niwa, T. Kumei, Yoshinobu Nomura, S. Yoshida +2 more
200762 citations Open access
Semantic Scholar
Dissection of niche competition between introduced and indigenous arbuscular mycorrhizal fungi with respect to soybean yield responses
R. Niwa, T. Koyama, Takumi Sato, K. Adachi +5 more
2018Scientific Reports47 citations Open access
Semantic Scholar
Impact of Introduction of Arbuscular Mycorrhizal Fungi on the Root Microbial Community in Agricultural Fields
T. Akyol, R. Niwa, H. Hirakawa, Hayato Maruyama +9 more
2018Microbes and Environments45 citations Open access
Semantic Scholar
Complete structure of nuclear rDNA of the obligate plant parasite Plasmodiophora brassicae: intraspecific polymorphisms in the exon and group I intron of the large subunit rDNA.
R. Niwa, Ai Kawahara, H. Murakami, Shuhei Tanaka +1 more
2011Protist20 citations Open access
Semantic Scholar
Inoculum effect of arbuscular mycorrhizal fungi on soybeans grown in long-term bare-fallowed field with low phosphate availability
M. Hayashi, R. Niwa, Y. Urashima, Y. Suga +5 more
201810 citations Open access
Semantic Scholar
Method for simple and rapid enumeration of total epiphytic bacteria in the washing solution of rice plants.
R. Niwa, S. Yoshida, N. Furuya, K. Tsuchiya +1 more
2011Canadian Journal of Microbiology (print)8 citations
Semantic Scholar
Tracking an Introduced Arbuscular Mycorrhizal Fungus in Allium fistulosum in a Field Condition With or Without Controlling Indigenous Fungi by Soil Fumigation As Well as Evaluation on Plant Phosphorus and Growth
Takumi Sato, R. Niwa, T. Ezawa, Shusei Sato +4 more
2021Journal of soil science and plant nutrition3 citations
Semantic Scholar
Analysis of relations between microbial community based on PCR-DGGE in bulk soil and disease severity of Chinese cabbage yellows caused by Verticillium spp. in fields.
H. Nagase, R. Niwa, Y. Matsushita, K. Ikeda +5 more
20153 citations Open access
Semantic Scholar
Evolutionary Changes in Tomato Yellow Leaf Curl Virus Associated with Widespread Ty-1 use in Japan.
Misaki Nakajima, Moeno Shimoide, N. Pohan, Rui Yamasaki +5 more
2026Phytopathology1 citations
Semantic Scholar

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