JARQ:Japan Agricultural Research Quarterly
About JARQ
The Japan Agricultural Research Quarterly (JARQ) is a publication of the Japan International Research Center for Agricultural Sciences (JIRCAS), which provides readers overseas with the latest information on key achievements and developments in agricultural research in Japan, with the expectation that this information would contribute to the agricultural development of countries in tropical and subtropical regions.
Accepted Article
All Issue
Control of Transmitted Solar Radiation Using Photoselective Covering Materials Improves Spinach (Spinacia oleracea L.) Yield during Summer
Yuki YONEDA, Yasushi KAWASAKI, Hiroki KAWASHIMA, JARQ:Japan Agricultural Research Quarterly. 56(1) , 67-75 (2022-01-01)
jarq56-1_67-75.pdf581.77 KB
Time Series Lengths for the Accurate Isolation of Major Tidal Components by Simple Fourier Analysis
Katsushi SHIRAHATA, Shuhei YOSHIMOTO, Takeo TSUCHIHARA, Hiroomi NAKAZATO, Satoshi ISHIDA, JARQ:Japan Agricultural Research Quarterly. 56(1) , 77-94 (2022-01-01)
jarq56-1_77-94.pdf2.68 MB
Effects of Processing on Stable Isotope Compositions (δ13C,δ15 N, and δ18O) of Rice (Oryza sativa) and Stable Isotope Analysis of Asian Rice Samples for Tracing Their Geographical Origins
Yaeko SUZUKI, Rumiko NAKASHITA, Roksana HUQUE, Mst. Afifa KHATUN, Zainon Bt. OTHMAN, Nazaratul Ashifa Bt. Abdullah SALIM, Saw THANTAR, Preciosa Corazon PABROA, Pui Yieng Kadeleine KONG, Vajira Ariyaratna WADUGE, Wannee SRINUTTRAKUL, Arisa HOSONUMA, Kazuhiro CHIKU, Mitsuru YOSHIDA, JARQ:Japan Agricultural Research Quarterly. 56(1) , 95-103 (2022-01-01)
jarq56-1_95-103.pdf588.52 KB
Preface to the Special Issue
Kazuki SAITO, Miyuki IIYAMA, Satoru MURANAKA, JARQ:Japan Agricultural Research Quarterly. 55(Special Issue) , 391-394 (2021-12-01)
jarq55-5_391-394.pdf204.6 KB
Changing Agendas of CGIAR’s International Agricultural Research
Norihito KANAMORI, Miyuki IIYAMA, JARQ:Japan Agricultural Research Quarterly. 55(Special Issue) , 395-404 (2021-12-01)
jarq55-5_395-404.pdf445.59 KB
Potato Germplasm Enhancement with Genetic Resources and Biotechnology Applications and Related Achievements in the Early Years of the International Potato Center (CIP)
Kazuo N. WATANABE, Rodomiro Otavio ORTIZ RIOS, Tri HANDAYANI, JARQ:Japan Agricultural Research Quarterly. 55(Special Issue) , 405-418 (2021-12-01)
jarq55-5_405-418.pdf513.96 KB
Three Decades of Safeguarding and Promoting Use of Agricultural Biodiversity: Changing Global Perspectives, Paradigm Shifts and Implications
Yasuyuki MORIMOTO, Patrick MAUNDU, JARQ:Japan Agricultural Research Quarterly. 55(Special Issue) , 419-431 (2021-12-01)
jarq55-5_419-431.pdf1.03 MB
Agriculture in the Semi-Arid Tropics with Sustainable Use of Scarce Resources: Contribution of Japanese Scientists through Collaboration with ICRISAT
Satoshi TOBITA , JARQ:Japan Agricultural Research Quarterly. 55(Special Issue) , 433-441 (2021-12-01)
jarq55-5_433-441.pdf726.71 KB
Diversified Approaches to Evaluate Wide Genetic Resources of Cowpea for Enhancing New Variety Development for West Africa and Its Social Implementation by Cowpea Research Program of IITA
Haruki ISHIKAWA, Ryo MATSUMOTO, JARQ:Japan Agricultural Research Quarterly. 55(Special Issue) , 443-462 (2021-12-01)
jarq55-5_443-462.pdf481.73 KB
Crop Development with Data-driven Approach towards Sustainable Agriculture: Lifting the Achievements and Opportunities of Collaborative Research between CIAT and Japan
Satoshi OGAWA, Michael Gomez SELVARAJ, Manabu ISHITANI, JARQ:Japan Agricultural Research Quarterly. 55(Special Issue) , 463-472 (2021-12-01)
jarq55-5_463-472.pdf455.68 KB
Integrated Research for Development Approach to Upgrade the Whole Rice Value-chain in Sub-Saharan Africa: Contribution of Africa Rice Center after NERICA (New Rice for Africa)
Koichi FUTAKUCHI, Kazuki SAITO, JARQ:Japan Agricultural Research Quarterly. 55(Special Issue) , 473-481 (2021-12-01)
jarq55-5_473-481.pdf327.6 KB
Japan and IRRI: Contributions to International Rice Research for Sustainable Development, Lessons Learned and Ways Forward
Yoichiro KATO, Keiichi HAYASHI, JARQ:Japan Agricultural Research Quarterly. 55(Special Issue) , 483-487 (2021-12-01)
jarq55-5_483-487.pdf260.21 KB
Contribution of Japanese Scientists to Global Agricultural Science and Production in Wheat and Maize at CIMMYT
Masahiro KISHII, JARQ:Japan Agricultural Research Quarterly. 55(Special Issue) , 489-500 (2021-12-01)
jarq55-5_489-500.pdf752.11 KB
The CGIAR–JIRCAS Partnerships for Sustainable Food Systems: Rice Blast Differential Systems and Biological Nitrification Inhibition as Examples
Satoru MURANAKA, Yoshimichi FUKUTA, Guntur V. SUBBARAO, Tadashi YOSHIHASHI, JARQ:Japan Agricultural Research Quarterly. 55(Special Issue) , 501-509 (2021-12-01)
jarq55-5_501-509.pdf533.56 KB
Managing Scarce Water Resources in the Drylands of West Asia and North Africa: Review of Joint Research between ICARDA and Japanese Researchers
Masafumi TAMURA, Theib OWEIS, Vinay NANGIA, Stefan STROHMEIER, JARQ:Japan Agricultural Research Quarterly. 55(Special Issue) , 511-519 (2021-12-01)
jarq55-5_511-519.pdf535.67 KB
Agricultural, Economic, and Human Development: Joint Research Contributions of Japan and International Food Policy Research Institute
Hiroyuki TAKESHIMA, Futoshi YAMAUCHI, Masahito ENOMOTO, JARQ:Japan Agricultural Research Quarterly. 55(Special Issue) , 521-531 (2021-12-01)
jarq55-5_521-531.pdf713.35 KB
Improving the Livelihood of Livestock and Farmers and Public Health in Developing Countries through the Provision of Solutions for the Various Risks They Face
Kohei MAKITA, Munenobu IKEGAMI, Tomoya MATSUMOTO, JARQ:Japan Agricultural Research Quarterly. 55(Special Issue) , 533-541 (2021-12-01)
jarq55-5_533-541.pdf344.62 KB
Climate Change and Social Forestry: An Overview of CIFOR Research on Enhancing Resilience in Boreal and Tropical Forest Landscape
Daisuke NAITO, Moira MOELIONO, Vladimir CHAKOV, Victoria KUPTSOVA, Kusin KITSO, Walter LINTANGAH, Ricky MARTIN, Nina YULIANTI, JARQ:Japan Agricultural Research Quarterly. 55(Special Issue) , 543-552 (2021-12-01)
jarq55-5_543-552.pdf345.55 KB
Fish in Sustainable Food Systems of the 21st Century: Role of WorldFish Research on Food and Nutrition Security, Gender Equity, and Natural Resource Conservation
Yumiko KURA, Nozomi KAWARAZUKA, JARQ:Japan Agricultural Research Quarterly. 55(Special Issue) , 553-558 (2021-12-01)
jarq55-5_553-558.pdf376.97 KB
Agroforestry System Research: Identification of Land Use Change Drivers and Scaling Up of Trees on Farms for Transforming Livelihoods and Landscapes
Miyuki IIYAMA, Cathy WATSON, Motoe MIYAMOTO, JARQ:Japan Agricultural Research Quarterly. 55(Special Issue) , 559-564 (2021-12-01)
jarq55-5_559-564.pdf306.08 KB
Reference Genome Sequencing and Advances in Genomic Resources in Common Wheat–Chromosome 6B Project in Japan
Fuminori KOBAYASHI, Tsuyoshi TANAKA, Hiroyuki KANAMORI, Jianzhong WU, Hirokazu HANDA, JARQ:Japan Agricultural Research Quarterly. 55(4) , 285-294 (2021-10-01)
jarq55-4_285-294.pdf734.57 KB
Technology Development for Stable Agricultural Production under Adverse Environments and Changing Climate Conditions
Kazuo NAKASHIMA, Takeshi URAO, Donghe XU, Shotaro ANDO, Masayasu KATO, JARQ:Japan Agricultural Research Quarterly. 55(4) , 295-305 (2021-10-01)
jarq55-4_295-305.pdf1016.41 KB
A Trial for the Identification of Brown Planthopper (Nilaparvata lugens Stål) Resistance Alleles in Two Rice Lines, Norin-PL3 and Norin-PL4, Using Next-generation Sequencing and Simple Graphical Genotyping Methods
Yukina NAKATSUJI, Shuichi FUKUOKA, Yuichi KATAYOSE, Tatsumi MIZUBAYASHI, Hideki SEZUTSU, Tetsuya KOBAYASHI, Yoshinori HATAKEYAMA, Yasumori TAMURA, JARQ:Japan Agricultural Research Quarterly. 55(4) , 307-322 (2021-10-01)
jarq55-4_307-322.pdf6.14 MB
Diurnal Dynamics of Nectar Secretion in Cucurbita maxima Duch: Implications for Effective Pollen Transfer by Japanese Wild Pollinators
Shoko NAKAMURA, Hisatomo TAKI, Yasuo KONNO, JARQ:Japan Agricultural Research Quarterly. 55(4) , 323-331 (2021-10-01)
jarq55-4_323-331.pdf935.54 KB
General Utilities for Genotyping Study (GUGS): A Comprehensive Application in Genotype and Sequence Data Manipulation
Tokurou SHIMIZU, JARQ:Japan Agricultural Research Quarterly. 55(4) , 333-339 (2021-10-01)
jarq55-4_333-339.pdf1.47 MB
Distribution of Pink-pigmented Facultative Methylotrophs Isolated from the Leaves of Potato Grown in Different Regions of Japan
Nobutaka SOMEYA, Masaharu KUBOTA, Yusuke UNNO, Tomohiro MOROHOSHI, JARQ:Japan Agricultural Research Quarterly. 55(4) , 341-345 (2021-10-01)
jarq55-4_341-345.pdf934.05 KB
Investigation of Total Polyphenol Content, Antioxidant Activity, and Carbohydrate-hydrolyzing Enzyme Inhibition of Yacon Leaves among Four Domestic Cultivars and a Peru Line for over Four Years
Yuto UEDA, Yasushi MATSUDA, Tatsuro MURATA, Yoshikazu HOSHI, Kiyotaka KABATA, Masateru ONO, Hideki KINOSHITA, Keiji IGOSHI, Shin YASUDA, JARQ:Japan Agricultural Research Quarterly. 55(4) , 347-358 (2021-10-01)
jarq55-4_347-358.pdf766.91 KB
Comparison of Carotenoid Accumulation and Abscisic Acid Content in Fruit-color Altered Mutant and Original Types in Citrus
Naoko NAKAJIMA, Yoshinori IKOMA, Hikaru MATSUMOTO, Masaya KATO, Takeshi KUNIGA, JARQ:Japan Agricultural Research Quarterly. 55(4) , 359-366 (2021-10-01)
jarq55-4_359-366.pdf1.43 MB
Effects of Biochar on the Growth of Vachellia etbaica and Faidherbia albida Planted in Tigray, Northern Ethiopia
Masazumi KAYAMA, Buruh ABEBE, Emiru BIRHANE, JARQ:Japan Agricultural Research Quarterly. 55(4) , 367-378 (2021-10-01)
jarq55-4_367-378.pdf1.02 MB
Effects of Topography, Soil Organic Matter, and Chemical Properties on the Growth of Teak (Tectona Grandis) Plantations in Northeast Thailand
Iwao NODA, Woraphun HIMMAPAN, Tosporn VACHARANGKURA, Somsak SUKCHAN, Wilawan WICHIENNOPPARAT, Naoyuki FURUYA, JARQ:Japan Agricultural Research Quarterly. 55(4) , 379-390 (2021-10-01)
jarq55-4_379-390.pdf1.06 MB