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
Genomic Prediction of Maize Inbred Lines Using a Small Combined Training Population, and Evaluation of Untested Germplasms for Resistance to Pythium Root and Stalk Rot
Shohei MITSUHASHI, Hiroyuki TAMAKI, JARQ:Japan Agricultural Research Quarterly. in press
Onion Cultivars and Set Planting Date during Summer for an Early Winter Harvest in Northern Japan
Takafumi KINOSHITA, Megumi HAMANO, Atsushi YAMASAKI, JARQ:Japan Agricultural Research Quarterly. in press
Risk Analysis, Safety Assurance Requirements, and Safety Evaluation Test for Robotic Agricultural Machinery
Hideyuki KONYA, Yutaka KIKUCHI, JARQ:Japan Agricultural Research Quarterly. in press
All Issue
Field Survey to Identify Mosaic Disease Viruses of Cucurbita maxima in Okinawa Prefecture, Japan
Yasuhiro TOMITAKA, Sayumi TANAKA, Toshio KITAMURA, Shuhei ADACHI-FUKUNAGA, Kozo GIMA, Kouhei TERAMURA, Kanami TABA, Yoshino AJITOMI, JARQ:Japan Agricultural Research Quarterly. 58(2) , 75-81 (2024-04-01)
jarq58-2_75-81.pdf1.68 MB
Occurrence Evaluation of Aflatoxigenic Aspergilli in Thai Corn Using Dichlorvos-ammonia and Whole-agar Extraction Methods
Kanokporn POUNGPONG, Thanapoom MANEEBOON, Wichittra ARAI, Koji AOYAMA, Tomohiro FURUKAWA, Setsuko TODORIKI, Kimiko YABE, Chaiyapoom BUNCHASAK, Masayo KUSHIRO, JARQ:Japan Agricultural Research Quarterly. 58(2) , 83-91 (2024-04-01)
jarq58-2_83-91.pdf6.22 MB
Impact of Fertilizer Price and Subsidy on the Global Wheat Market
Tatsuji KOIZUMI, JARQ:Japan Agricultural Research Quarterly. 58(2) , 93-111 (2024-04-01)
jarq58-2_93-111.pdf1.28 MB
Simple Methods for Producing Tetraploids in Polyembryonic Citrus
Masashi YAMAMOTO, Seiya ARITA, Naoko KOZAI, JARQ:Japan Agricultural Research Quarterly. 58(2) , 113-119 (2024-04-01)
jarq58-2_113-119.pdf1.18 MB
Effects of Paclobutrazol Application and Soil Mulching on Flower Induction and Physiological Conditions in Durian Trees (Durio zibethinus Murr.)
Naoko KOZAI, Hirokazu HIGUCHI, Tatsushi OGATA, Tomohiro KONDO, Shin UGAWA, Yoshimi YONEMOTO, JARQ:Japan Agricultural Research Quarterly. 58(2) , 121-128 (2024-04-01)
jarq58-2_121-128.pdf1.32 MB
Rethinking the Factors Affecting the Arrival Quantity and Price of Sawlogs in Japanese Sawmills: An ARDL Approach
Tetsuya MICHINAKA, Nariaki ONDA, JARQ:Japan Agricultural Research Quarterly. 58(2) , 129-140 (2024-04-01)
jarq58-2_129-140.pdf1.49 MB
Chemical Biology in the Auxin Biosynthesis Pathway via Indole-3-Pyruvic Acid
Kazuo SOENO, Akiko SATO, Yukihisa SHIMADA, JARQ:Japan Agricultural Research Quarterly. 58(1) , 1-11 (2024-01-01)
jarq58-1_1-11.pdf657.86 KB
Phylogenetic Characterization of Salmonella enterica Serovar Typhimurium and its Monophasic Variant Isolated from Food Animals in Japan
Nobuo ARAI, JARQ:Japan Agricultural Research Quarterly. 58(1) , 13-23 (2024-01-01)
jarq58-1_13-23.pdf1000.45 KB
Molecular Basis of the Pathogenicity of the Foot-and-Mouth Disease Virus Isolated in Japan
Tatsuya NISHI, Katsuhiko FUKAI, Kazuki MORIOKA, JARQ:Japan Agricultural Research Quarterly. 58(1) , 25-30 (2024-01-01)
jarq58-1_25-30.pdf234.56 KB
Effects of Different Seeding Patterns on the Yield of Rice Directly Sown in a Well-drained Paddy Field Using Plowing and Compaction
Toshinori MATSUNAMI, Ryuji OTANI, Yasuhiro TACHIBANA, Morinobu MATSUO, Takashi YAMASHITA, JARQ:Japan Agricultural Research Quarterly. 58(1) , 31-37 (2024-01-01)
jarq58-1_31-37.pdf575.29 KB
Derivation of the Reach Time Equation—Based on the Arrhenius Equation, a Theoretical Equation Describing the Time Distribution to Reach a Certain Stage, such as Germination, in a Population
Yoshitaka HARA, JARQ:Japan Agricultural Research Quarterly. 58(1) , 39-48 (2024-01-01)
jarq58-1_39-48.pdf1.52 MB
Determination of the Antiallergic Activity of Lipophilic Components Isolated from the Red Alga Pyropia tenuipedalis
Yoshimasa SUGIURA, Mahiko ABE, Noboru MURASE, JARQ:Japan Agricultural Research Quarterly. 58(1) , 49-55 (2024-01-01)
jarq58-1_49-55.pdf357.52 KB
Seasonal Variations in the Vase Life of Cut Gerbera Flowers Are Involved in the Release of Electrolytes from Flower Stems to Vase Water
Makoto TONOOKA, Yoshiyuki HOMMA, Hideki NUKUI, Kazuo ICHIMURA, JARQ:Japan Agricultural Research Quarterly. 58(1) , 57-64 (2024-01-01)
jarq58-1_57-64.pdf1.53 MB
Evaluation of the Precision of Age Determination and Variability in Growth for Japanese Sardine (Sardinops melanostictus), Tsushima Warm Current Subpopulation
Yuki FUJINAMI, Motomitsu TAKAHASHI, Hiroyuki KUROTA, JARQ:Japan Agricultural Research Quarterly. 58(1) , 65-74 (2024-01-01)
jarq58-1_65-74.pdf835.93 KB
Breeding of Waxy Barley Cultivars in the National Barley Breeding Program of Japan
Takuji TONOOKA, JARQ:Japan Agricultural Research Quarterly. 57(4) , 251-259 (2023-10-01)
jarq57-4_251-259.pdf2.05 MB
Promotion to Farmers of Snow Compaction (Yuki-Fumi) on Winter Wheat to Control Volunteer Potatoes without Depending on Chemical Materials
Seiji SHIMODA, Tomoyoshi HIROTA, Masayuki ONODERA, JARQ:Japan Agricultural Research Quarterly. 57(4) , 261-268 (2023-10-01)
jarq57-4_261-268.pdf1.54 MB
Conservation Technology Model Fit for Farmlands in a Micro-watershed on the Ethiopian Highlands
Kazuhisa KODA, Gebreyohannes GIRMAY, Tesfay BERIHU, JARQ:Japan Agricultural Research Quarterly. 57(4) , 269-279 (2023-10-01)
jarq57-4_269-279.pdf1.53 MB
Effect of RNAi-mediated Suppression of PGRP-LC Gene Expression on Mortality Rates in Brown Planthoppers (Nilaparvata lugens) Infected with Live Bacteria
Aki SAGISAKA, Ritsuko MURAKAMI, Kenji WATANABE, Hiromitsu TANAKA, JARQ:Japan Agricultural Research Quarterly. 57(4) , 281-287 (2023-10-01)
jarq57-4_281-287.pdf988.4 KB
Effects of Forage Corn Silage Preparation on Early-instar Larval Survivability and Egg Hatchability of Fall Armyworms (Spodoptera frugiperda)
Masayuki HAYASHI, Sachiyo SANADA-MORIMURA, Naoki KATO, Ikuo HATTORI, JARQ:Japan Agricultural Research Quarterly. 57(4) , 289-298 (2023-10-01)
jarq57-4_289-298.pdf827.45 KB
Spatial Sensitivity and Calibration of 10HS Soil Moisture Sensors in Converted Paddy Fields for Practical Use
Chika ZUKEMURA, Teruhito MIYAMOTO, Hiroshi OSARI, JARQ:Japan Agricultural Research Quarterly. 57(4) , 299-310 (2023-10-01)
jarq57-4_299-310.pdf1.98 MB
Assessing Prevalence and Antibiotic Resistance of Escherichia coli and Other Enterobacteriaceae Isolated from Cambodian Fermented Fish and Vegetables
Rithy CHRUN, Hasika MITH, Siveng MENG, Sreypov LONG, Pichpunleu BORN, Yasuhiro INATSU, JARQ:Japan Agricultural Research Quarterly. 57(4) , 311-320 (2023-10-01)
jarq57-4_311-320.pdf897.06 KB
The Role of Single Oral Dose of Excess Vitamin A and/or Vitamin E in Improving Ovarian Function Three Days Post-parturition in Primiparous Dairy Cows
Mari AOKI, JARQ:Japan Agricultural Research Quarterly. 57(4) , 321-328 (2023-10-01)
jarq57-4_321-328.pdf940.9 KB
Taper Equations for Evaluating Private Plantation Teak (Tectona grandis) in Thailand
Iwao NODA, Woraphun HIMMAPAN, Naoyuki FURUYA, Gaku HITSUMA, JARQ:Japan Agricultural Research Quarterly. 57(4) , 329-343 (2023-10-01)
jarq57-4_329-343.pdf5.93 MB
Relationship between Gill Raker Number and Early Growth of Pacific Bluefin Tuna Thunnus orientalis
Hiroshige TANAKA, Yosuke TANAKA, JARQ:Japan Agricultural Research Quarterly. 57(4) , 345-352 (2023-10-01)
jarq57-4_345-352.pdf928.36 KB
Hydrangea Diseases in Japan
Susumu NAGASHIMA, Motoaki TOJO, JARQ:Japan Agricultural Research Quarterly. 57(3) , 183-194 (2023-07-03)
jarq57-3_183-194.pdf1.67 MB
Citrus Viroids and Minor Citrus Viruses in Japan
Toru IWANAMI, JARQ:Japan Agricultural Research Quarterly. 57(3) , 195-204 (2023-07-03)
jarq57-3_195-204.pdf783.5 KB
Whole-genome Sequence Analysis to Confirm the Absence of Transgene in a Rice Line Made by Gene Targeting
Junichi MANO, Keita TSUKAHARA, Kazuto TAKASAKI, Satoshi FUTO, Ayako NISHIZAWA-YOKOI, Seiichi TOKI, Reona TAKABATAKE, Kazumi KITTA, JARQ:Japan Agricultural Research Quarterly. 57(3) , 205-215 (2023-07-03)
jarq57-3_205-215.pdf1.72 MB
Analysis of Scent Emission in Cut Flowers of Tulipa gesneriana L. ‘Niigata 13 go,’ Known as Koshiharuka
Kyutaro KISHIMOTO, Yusuke WATANABE, JARQ:Japan Agricultural Research Quarterly. 57(3) , 217-224 (2023-07-03)
jarq57-3_217-224.pdf6.45 MB
Effects of Vitamin C Supplementation to Bovine Peripheral Blood Mononuclear Cells on Antioxidant and Inflammatory Biomarker Status and Cell Viability with or without Lipopolysaccharide Stimulation
Konosuke OTOMARU, Takuro MIYAHARA, Hiroto SAITA, Moe IJIRI, Natsuko TSURUDOME, Yosuke MAEDA, JARQ:Japan Agricultural Research Quarterly. 57(3) , 225-230 (2023-07-03)
jarq57-3_225-230.pdf917.31 KB
Genetic Dissection of Litter-size Quantitative Trait Loci Located on Murine Chromosome 7
Jun-ichi SUTO, JARQ:Japan Agricultural Research Quarterly. 57(3) , 231-239 (2023-07-03)
jarq57-3_231-239.pdf1.67 MB