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.

JARQ Submission and Editorial Policy / All Issues

Accepted Article

Prey Availability for Larval and Juvenile Pacific Bluefin Tuna Thunnus orientalis Estimated from the Mouth Gape Size in Relation to Their Piscivory

Yosuke TANAKA, Atsushi TAWA, Taiki ISHIHARA, Yosuke MOCHIZUKI, Hiroshi HASHIMOTO, Kazunori KUMON, JARQ:Japan Agricultural Research Quarterly. in press 2024-10-01

Higher Boron Accumulation is Associated with Low-Boron Tolerance in Mustard

Muthuvel JOTHI, Junpei TAKANO, Lingaraj SAHOO, JARQ:Japan Agricultural Research Quarterly. in press 2024-10-01

Depot-Specific Differences in Adipogenesis in Wagyu Cattle

Tomoya YAMADA, Mitsuru KAMIYA, Mikito HIGUCHI, JARQ:Japan Agricultural Research Quarterly. in press 2024-10-01

Physicochemical Soil Properties Following Selective Cutting of Large-Diameter Trees in a Lowland Dry Evergreen Forest in Cambodia

Eriko ITO, Bora TITH, Borin TO, Junko NAGAKURA, JARQ:Japan Agricultural Research Quarterly. in press 2024-10-01

Evaluating Panicle Blast Progression in Six Rice (Oryza sativa L.) Cultivars/Lines Carrying Quantitative Resistance Genes

Yuriko HAYANO-SAITO, Masahiko KUMAGAI, Mitsuru NAKAMURA, Tarou SUZUKI, Tomofumi YOSHIDA, Keiko HAYASHI, JARQ:Japan Agricultural Research Quarterly. in press 2024-10-01

Selection of Standard Rice Cultivars for Evaluating Cracking Resistance and Finding a Novel QTL Responsible for It

Koji NAKAGOMI, JARQ:Japan Agricultural Research Quarterly. in press 2024-10-01

Characteristics of Rice Varieties for Commercial Use and Livestock Feed and Their Cultivation Technology in the Cold Region of Japan

Akira FUKUSHIMA, JARQ:Japan Agricultural Research Quarterly. in press 2024-10-01

All Issue

Risk Analysis, Safety Assurance Requirements, and Safety Evaluation Test for Robotic Agricultural Machinery

Hideyuki KONYA, Yutaka KIKUCHI, JARQ:Japan Agricultural Research Quarterly. 58(3) , 141-150 (2024-07-01)

jarq58-3_141-150.pdf2.09 MB

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. 58(3) , 151-164 (2024-07-01)

jarq58-3_151-164.pdf1.41 MB

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. 58(3) , 165-173 (2024-07-01)

jarq58-3_165-173.pdf999.62 KB

Erratum: “Breeding of Waxy Barley Cultivars in the National Barley Breeding Program of Japan” by Tonooka, T., JARQ 57: 251-259

Japan International Research Center for Agricultural Sciences, JARQ:Japan Agricultural Research Quarterly. 58(3) , 175 (2024-07-01)

jarq58-32022s19_erratum_-.pdf882.23 KB

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