Skip to content

Home Search Authors Pakistan News Saved

SciRah

SciRah does not host or store research papers. Results come live from free, official scholarly APIs, and every paper links back to its original source.

Data sources

OpenAlex
Semantic Scholar
Crossref
CORE
arXiv
PubMed

Privacy policy Terms of service

K. Nagai · SciRah

Researcher profile · Semantic Scholar

K. Nagai

Share profile

K. Nagai — researcher profile on SciRah

h-index: 14
Works: 51
Citations: 568

Most-cited papers

Effects of temperature on the development and reproduction of Orius sauteri (Poppius) (Heteroptera : Anthocoridae), a predator of Thrips palmi Karny (Thysanoptera : Thripidae)
K. Nagai, E. Yano
199951 citations Open access
Semantic Scholar
Predation by Orius sauteri (Poppius) (Heteroptera: Anthocoridae) on Thrips palmi Karny (Thysanoptera: Thripidae): Functional response and selective predation
K. Nagai, E. Yano
200050 citations Open access
Semantic Scholar
Effects of a Juvenile Hormone Mimic Material, 4-Phenoxyphenyl(RS)-2-(2-pyridyloxy) Propyl Ether, on Thrips palmi KARNY(Thysanoptera : Thripidae) and Its Predator Orius sp.(Hemiptera : Anthocoridiae)
K. Nagai
199029 citations Open access
Semantic Scholar
Predatory characteristics of Orius sp. on Thrips palmi Karny, Tetranychus kanzawai Kishida, and Aphis gossypii Glover.
K. Nagai
199126 citations Open access
Semantic Scholar
Studies on integrated pest management of Thrips palmi Karny
K. Nagai
199325 citations
Semantic Scholar
Effects of organic farming of rice plants on population density of leafhoppers and planthoppers. I. Population density and reproductive rate.
Tatsuto Kajimura, Yousuke Maeoka, I. Widiarta, Takeshi Sudo +3 more
199324 citations Open access
Semantic Scholar
Molecular Identification of ‘ Candidatus Mycoplasma haemovis ’ in Sheep with Hemolytic Anemia
J. Suzuki, Fumina Sasaoka, Masatoshi Fujihara, Yusaku Watanabe +6 more
200022 citations
Semantic Scholar
Detection of hemotropic mycoplasmas in free-living brown sewer rats (Rattus norvegicus).
Hinako Sashida, Fumina Sasaoka, J. Suzuki, Yusaku Watanabe +5 more
2013Journal of Veterinary Medical Science20 citations Open access
Semantic Scholar
Integrated control programs for Thrips palmi on eggplants (Solanum melongena L.) in an open field.
K. Nagai
199120 citations Open access
Semantic Scholar
Prevalence of swine hemoplasmas revealed by real-time PCR using 16S rRNA gene primers.
Yusaku Watanabe, Masatoshi Fujihara, J. Suzuki, Fumina Sasaoka +2 more
2012Journal of Veterinary Medical Science18 citations Open access
Semantic Scholar
Two genetic clusters in swine hemoplasmas revealed by analyses of the 16S rRNA and RNase P RNA genes.
Yusaku Watanabe, Masatoshi Fujihara, Hisato Obara, K. Nagai +1 more
2011Journal of Veterinary Medical Science17 citations Open access
Semantic Scholar
Integrated control of Thrips palmi Karny on eggplants in open field with Orius sauteri Poppius.
K. Nagai
199217 citations
Semantic Scholar
Effect of organic rice farming on planthoppers 4. Reproduction of the white backed planthopper,Sogatella furcifera Horváth (Homoptera: Delphacidae)
Tatsuto Kajimura, I. Widiarta, K. Nagai, K. Fujisaki +1 more
1995Researches on population ecology16 citations
Semantic Scholar
Cold Hardiness of Thrips palmi Karny. I. Survival Period of Winter and Summer Populations at Low Temperatures
H. Tsumuki, K. Nagai, Katsuo Kanehisa
198715 citations Open access
Semantic Scholar
Hemotropic mycoplasma infection in wild black bears (Ursus thibetanus japonicus).
Takehiro Iso, J. Suzuki, Fumina Sasaoka, Hinako Sashida +4 more
2013Veterinary Microbiology14 citations
Semantic Scholar
Search for winter host plants of T. palmi in winter.
K. Nagai, H. Tsumuki
199014 citations Open access
Semantic Scholar
Molecular Demonstration of Hemotropic Mycoplasmas in Wild Japanese Monkeys (Macaca fuscata)
Hinako Sashida, Yoshihisa Suzuki, Sou Rokuhara, K. Nagai +1 more
2013Journal of Veterinary Medical Science13 citations Open access
Semantic Scholar
Two clusters among Mycoplasma haemomuris strains, defined by the 16S-23S rRNA intergenic transcribed spacer sequences.
Hinako Sashida, Fumina Sasaoka, J. Suzuki, Masatoshi Fujihara +5 more
2013Journal of Veterinary Medical Science12 citations Open access
Semantic Scholar
Comparison of base running in baseball players and track-and-field athletes
K. Miyaguchi, S. Demura, K. Nagai, Yu Uchida
201112 citations Open access
Semantic Scholar
Characterization of microRNA expression in B cells derived from Japanese black cattle naturally infected with bovine leukemia virus by deep sequencing
Chihiro Ochiai, Sonoko Miyauchi, Y. Kudo, Yuta Naruke +11 more
2021PLoS ONE11 citations Open access
Semantic Scholar
Structure and Hibernation-Associated Expression of the Transient Receptor Potential Vanilloid 4 Channel (TRPV4) mRNA in the Japanese Grass Lizard (Takydromus tachydromoides)
K. Nagai, Y. Saitoh, S. Saito, K. Tsutsumi
2012Zoological Science10 citations Open access
Semantic Scholar
Cage evaluation of augmentative biological control of Thrips palmi with Wollastoniella rotunda in winter greenhouses
Y. Nakashima, Masayoshi Uefune, E. Tagashira, S. Maeda +4 more
200410 citations
Semantic Scholar
Survey of indigenous natural enemies of the adventive pest Thrips palmi (Thysanoptera: Thripidae) on the Ryukyu Islands, Japan.
Y. Hirose, Y. Nakashima, M. Takagi, K. Nagai +3 more
19999 citations Open access
Semantic Scholar
Genetic diversity in Japanese populations of the Eurasian Collared Dove
K. Nagai, Y. Takahashi, Ken-ichi Tokita, Tomomi Anzai +2 more
2020Avian Research8 citations Open access
Semantic Scholar
Hindgut Bacterial Flora Analysis in Oriental Honey Buzzard (Pernis ptilorhynchus)
K. Nagai, Ken-ichi Tokita, Hirotake Ono, K. Uchida +2 more
2019Zoological Science8 citations
Semantic Scholar
Complete Genome Sequence of Mycoplasma bovirhinis Strain HAZ141_2 from Bovine Nasal Discharge in Japan
E. Hata, K. Nagai, K. Murakami
2017Genome Announcements8 citations Open access
Semantic Scholar
Two genotypes among 'Candidatus Mycoplasma haemobos' strains based on the 16S-23S rRNA intergenic spacer sequences.
Fumina Sasaoka, J. Suzuki, Yusaku Watanabe, Masatoshi Fujihara +3 more
2013Journal of Veterinary Medical Science8 citations Open access
Semantic Scholar
Sex determination of sika deer (Cervus nippon yesoensis) using nested PCR from feces collected in the field.
Shoki Yamazaki, Yuta Motoi, K. Nagai, T. Ishinazaka +2 more
2011Journal of Veterinary Medical Science8 citations Open access
Semantic Scholar
Analysis of the genetic diversity and structure of the Eastern Marsh Harrier in Japan using mitochondrial DNA
K. Nagai, Yu Takahashi, Shoki Yamazaki, A. Azuma
2017Journal of Ornithology7 citations
Semantic Scholar
Genetic Structure and Diversity of Two Populations of the Eastern Buzzard (Buteo japonicus japonicus and B. j. toyoshimai) in Japan
K. Nagai, F. Nakayama, Ken-ichi Tokita, K. Kawakami
2019Zoological Science6 citations
Semantic Scholar
Complete Genome Sequence of Mycoplasma bovigenitalium Strain HAZ 596 from a Bovine Vagina in Japan
E. Hata, K. Nagai, K. Murakami
2017Genome Announcements6 citations Open access
Semantic Scholar
Composition of the microbiota in forestomach fluids and feces of Japanese Black calves with white scours.
Shou Nakamura, Yo-Han Kim, K. Takashima, A. Kimura +3 more
2017Journal of Animal Science6 citations
Semantic Scholar
Evaluation of black-eyed Susan Rudbeckia hirta L. (Asterales: Asteraceae) as an insectary plant for a predacious natural enemy Orius sauteri (Poppius) (Heteroptera: Anthocoridae).
K. Nagai, M. Hikawa
20126 citations Open access
Semantic Scholar
Examination of the 16S-23S rRNA intergenic spacer sequences of 'Candidatus Mycoplasma haemobos' and Mycoplasma haemofelis.
Fumina Sasaoka, J. Suzuki, Masatoshi Fujihara, Yusaku Watanabe +2 more
2012Journal of Veterinary Medical Science6 citations Open access
Semantic Scholar
Biological Control of Thrips palmi (Thysanoptera: Thripidae) with the Predatory Bug, Wollastoniella rotunda (Hemiptera: Anthocoridae) on Greenhouse Eggplant in Winter
Satoru Urano, K. Shima, Y. Hirose, K. Nagai +3 more
20036 citations
Semantic Scholar
Mutations associated with change of susceptibility to lincosamides and/or macrolides in field and laboratory-derived Mycoplasma californicum strains in Japan, and development of a rapid detection method for these mutations.
E. Hata, K. Nagai, K. Murakami
2019Veterinary Microbiology5 citations Open access
Semantic Scholar
Notes on braconid parasitoids of Medythia nigrobilineata (Motschulsky) (Coleoptera, Chrysomelidae), with description of a new species of Centistes Haliday (Hymenoptera, Braconidae).
K. Maeto, K. Nagai
19855 citations
Semantic Scholar
Gene silencing of barley P23k involved in secondary wall formation causes abnormal tiller formation and intercalary elongation.
A. Oikawa, K. Nagai, K. Kato, S. Kidou
20094 citations Open access
Semantic Scholar
Genetic Structure in Japanese and Thai Populations of the Japanese Sparrowhawk Accipiter gularis
K. Nagai, Sontaya Manawatthana, Ken-ichi Tokita, Chukiat Nualsri +6 more
2020Zoological Science3 citations
Semantic Scholar
Analysis of the Genetic Diversity and Structure of the Grey-Faced Buzzard (Butastur indicus) in Japan, Based on mtDNA
K. Nagai, Fumitaka Iseki, A. Azuma
2019Zoological Science3 citations
Semantic Scholar
Prey suitability of Thrips palmi (Thysanoptera: Thripidae) and Tetranychus kanzawai (Acari: Tetranychidae) for the development and reproduction of Wollastoniella rotunda (Hemiptera: Anthocoridae)
Masayoshi Uefune, Y. Nakashima, E. Tagashira, K. Nagai +2 more
20083 citations Open access
Semantic Scholar
Analysis of Genetic Structure and Genetic Diversity in Japanese Black Kite Population Using mtDNA
K. Nagai, Ken-ichi Tokita
2022Zoological Science2 citations
Semantic Scholar
GPS tracking of the two subspecies of the Eastern Buzzard ( Buteo japonicus ) reveals a migratory divide along the Sea of Japan
T. Nakahara, K. Nagai, Fumitaka Iseki, Toshiro Yoshioka +2 more
2022Ibis2 citations
Semantic Scholar
Effect of Insecticides on Orius sp., the Natural Enemy of Thrips palms KARNY
K. Nagai
20082 citations Open access
Semantic Scholar
Discovery of a Novel Mtdna Sequence in the Eastern Buzzard (Buteo Japonicus) in Japan
K. Nagai, Ken-ichi Tokita, F. Nakayama
2020The Journal of raptor research1 citations
Semantic Scholar
Suitable Food for the Mass Rearing of Wollastoniella rotunda (Heteroptera: Anthocoridae), a Predator of Thrips palmi (Thysanoptera: Thripidae)
K. Nagai, Y. Hirose, K. Shima, M. Takagi +1 more
20131 citations Open access
Semantic Scholar
Low-temperature tolerance of the vegetable weevil, Listroderes costirostris Schönherr (Coleoptera: Curculionidae).
H. Tsumuki, Katsuo Kanehisa, F. Tanaka, K. Nagai +1 more
19931 citations Open access
Semantic Scholar
Genetic Diversity and Structure in Japanese Populations of the Osprey ( Pandion haliaetus ), Based on mtDNA Cytochrome b, Control Region
K. Nagai, Takayuki Sakakibara, A. Azuma
20210 citations
Semantic Scholar
Genetic Diversity and Structure in Japanese Populations of the Osprey (Pandion haliaetus), Based on mtDNA
K. Nagai, Takayuki Sakakibara, A. Azuma
2021Open Journal of Genetics0 citations Open access
Semantic Scholar
Genetic diversity in Japanese populations of the Eurasian Collared Dove
K. Nagai, Yusuke Takahashi, Ken-ichi Tokita, Tomomi Anzai +2 more
2020Avian Research0 citations Open access
Semantic Scholar

Frequent co-authors

Invite them to SciRah by sharing their profile.

R. Harasawa×9
Invite
R. Harasawa — researcher profile on SciRah
Masatoshi Fujihara×8
Invite
Masatoshi Fujihara — researcher profile on SciRah
J. Suzuki×7
Invite
J. Suzuki — researcher profile on SciRah
Fumina Sasaoka×7
Invite
Fumina Sasaoka — researcher profile on SciRah

Yusaku Watanabe

×7

Invite

Yusaku Watanabe — researcher profile on SciRah

Ken-ichi Tokita×7

Invite

Ken-ichi Tokita — researcher profile on SciRah

Invite

Y. Hirose — researcher profile on SciRah

Invite

M. Takagi — researcher profile on SciRah

Invite

F. Nakayama — researcher profile on SciRah

Hinako Sashida×4

Invite

Hinako Sashida — researcher profile on SciRah

Invite

K. Murakami — researcher profile on SciRah

Y. Nakashima×4

Invite

Y. Nakashima — researcher profile on SciRah