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.
The JARQ has updated its editorial policy to meet the demands of the times. The current editorial policy, revised on March 12, 2025, aims to "disseminate findings and trends in research related to Japan's agriculture, forestry, and fisheries, as well as international collaborative research involving Japanese researchers, to a broad audience both domestically and internationally through original articles and reviews." To this end, JARQ publishes original articles and research reviews, which are expected to contribute to agricultural development in developing regions.
The JARQ editorial policy revised on July 23, 1999 featured a different classification of papers. At that time, all submissions were classified as "research articles" and not limited to original articles, allowing authors to present "the aims, methods, results, and broader impact of a series of research, including previously published work."
Following the 1999 policy, the JARQ editorial office accepted research articles that included previously published content. However, the current editorial policy (revised on March 12, 2025) defines original articles as "papers that summarize the results of research conducted by the author, with no precedent in content or other aspects." Therefore, under the 2025 policy, previously published papers are no longer accepted.
All Issue

Allelopathic Potential of Red Pepper (Capsicum annuum L.)
Kazunari TSUCHIYA, Jae-Wook LEE, Tsuguo HOSHINA, JARQ:Japan Agricultural Research Quarterly. 28(1) , 1-11 (1994-01-01)
28-1-001-011.pdf1.32 MB

Fate of Fertilizer Nitrogen Applied in an Area with High Precipitation in Southern Kyushu
Yoshiyuki KOBAYASHI, Hiroshi NIIMI, Hideo OHSHIMA, Isao HASEGAWA, JARQ:Japan Agricultural Research Quarterly. 28(1) , 12-19 (1994-01-01)
28-1-012-019.pdf1.19 MB

Behavior of Adult of the Potato Tuber Moth (Scrobipalpopsis solanivora) on Potatoes and Chemical Control in Guatemala
Hirata INOUE, Helmuth LEAL, Mario GONZALEZ, Roland ESTRADO, JARQ:Japan Agricultural Research Quarterly. 28(1) , 20-25 (1994-01-01)
28-1-020-025.pdf898.4 KB

Root System Formation in Clonal Tea Plant
Masataka YAMASHITA, JARQ:Japan Agricultural Research Quarterly. 28(1) , 26-35 (1994-01-01)
28-1-026-035.pdf1.24 MB

Development of Device for Nondestructive Evaluation of Fruit Firmness
Hironoshin TAKAO, Sadao OHMORI, JARQ:Japan Agricultural Research Quarterly. 28(1) , 36-43 (1994-01-01)
28-1-036-043.pdf1.2 MB

Outbreak of Alfalfa Verticillium Wilt in Hokkaido
Rinzo SATO, JARQ:Japan Agricultural Research Quarterly. 28(1) , 44-51 (1994-01-01)
28-1-044-051.pdf1.27 MB

Analysis of Swine Genome Organization : Use of Repetitive Sequences as Markers for Genetic Linkage Analysis
Hiroshi TASUE, JARQ:Japan Agricultural Research Quarterly. 28(1) , 52-58 (1994-01-01)
28-1-052-058.pdf1.18 MB

Diversity of Clinical Signs in Natural Scrapie Cases Occurring in Japan
Takashi ONODERA, Toshiharu HAYASHI, JARQ:Japan Agricultural Research Quarterly. 28(1) , 59-61 (1994-01-01)
28-1-059-061.pdf483.43 KB

Measurement of Light Environment with a Chemical Radiation Meter Using Anthracene- Ethyl Alcohol Solution
Nahoko KURACHI, Akio HAGIHARA, JARQ:Japan Agricultural Research Quarterly. 28(1) , 62-69 (1994-01-01)
28-1-062-069.pdf1.25 MB

Chemistry and Utilization of Condensed Tannins from Tree Barks
Seiji OHARA, JARQ:Japan Agricultural Research Quarterly. 28(1) , 70-78 (1994-01-01)
28-1-070-078.pdf1.19 MB

Methods and Strategy for Monitoring Race Distribution and Identification of Resistance Genes to Bacterial Leaf Blight (Xanthomonas campestris pv. oryzae) in Rice
Tsugufumi OGAWA, JARQ:Japan Agricultural Research Quarterly. 27(2) , 71-80 (1993-10-01)
27-2-071-080.pdf1.36 MB

Infection Types in Rice-Xanthomonas campestris pv. oryzae Interaction
Hisatoshi KAKU, JARQ:Japan Agricultural Research Quarterly. 27(2) , 81-87 (1993-10-01)
27-2-081-087.pdf1.18 MB

Growth and Yield of Japonica-Indica Hybrid Rice
Nobuyuki KABAKI, JARQ:Japan Agricultural Research Quarterly. 27(2) , 88-94 (1993-10-01)
27-2-088-094.pdf1.1 MB

Quality Evaluation of Rice in Japan
Ken’ichi OHTSUBO, Akiharu KOBAYASHI, Hisashi SHIMIZU, JARQ:Japan Agricultural Research Quarterly. 27(2) , 95-101 (1993-10-01)
27-2-095-101.pdf949.85 KB

New Lines Harboring du Genes for Low Amylose Content in Endosperm Starch of Rice
Kazutoshi OKUNO, Tsukasa NAGAMINE, Mitsunori OKA, Makoto KAWASE, Masumi KATSUTA, Yoshinobu EGAWA, Masahiro NAKAGAHRA, JARQ:Japan Agricultural Research Quarterly. 27(2) , 102-105 (1993-10-01)
27-2-102-105.pdf672.42 KB

Genetic Resources of Orchardgrass (Dactylis glomerata L.) and Related Subspecies from Warmer Regions
Fumihiro FUJIMOTO, JARQ:Japan Agricultural Research Quarterly. 27(2) , 106-111 (1993-10-01)
27-2-106-111.pdf966.47 KB

Cryopreservation of Asparagus (Asparagus officinalis L.) Cultured in vitro
Atsuko URAGAMI, Akira SAKAI, Makoto NAGAI, JARQ:Japan Agricultural Research Quarterly. 27(2) , 112-115 (1993-10-01)
27-2-112-115.pdf711.89 KB

Encapsulation of Somatic Embryos of Carrot and Promotive Effects on the Growth of Plantlets in vitro
Kenkou TSUJI, Masaaki NAGAOKA, Masayuki ODA, JARQ:Japan Agricultural Research Quarterly. 27(2) , 116-121 (1993-10-01)
27-2-116-121.pdf916.56 KB

Production of Transgenic Tomato Plants with Specific TMV Resistance
Fusao MOTOYOSHI and Masashi UGAKI, JARQ:Japan Agricultural Research Quarterly. 27(2) , 122-125 (1993-10-01)
27-2-122-125.pdf601.89 KB

Evaluation of the Impact of the Release of Transgenic Tomato Plants with TMV Resistance on the Environment
Yukio ASAKAWA, Fumiyoshi FUKUMOTO, Etsuji HAMAYA, Akira HASEBE, Hiroaki ICHIKAWA, Izumi MATSUDA, Takeshi MATSUMURA, Fusao MOTOYOSHI, Katsuyoshi NOGUCHI, Yuko OHASHI, Muneo OKADA (Correspondence should be addressed), Mamoru SATO, Masae SHIYOMI, Masashi UGAKI, Yasuo UKAI, Kazunari YOKOYAMA (in alphabetical order), JARQ:Japan Agricultural Research Quarterly. 27(2) , 126-136 (1993-10-01)
27-2-126-136.pdf1.44 MB

Factors Influencing the Rooting of Cut-Sprouts in Sweet Potato
Makoto NAKATANI, JARQ:Japan Agricultural Research Quarterly. 27(1) , 1-7 (1993-07-01)
27-1-001-007.pdf1.11 MB

Germplasm Conservation of Japanese Native Livestock Breeds (Horses, Cattle and Goats)
Taro OBATA, Hisato TAKEDA, JARQ:Japan Agricultural Research Quarterly. 27(1) , 8-12 (1993-07-01)
27-1-008-012.pdf870.45 KB

Induction of Nitrogenase and Hydrogenase Activities in the Free-Living State of Bradyrhizobium japonicum
Toshikazu TAKAHASHI, JARQ:Japan Agricultural Research Quarterly. 27(1) , 13-19 (1993-07-01)
27-1-013-019.pdf1.09 MB

First Occurrence of Soybean Southern Stem Canker in Paraguay
Toyozo SATO, Lidia Q. de VIEDMA, Edgar ALVAREZ, Marisa I. ROMERO, Wilfrido MOREL P., JARQ:Japan Agricultural Research Quarterly. 27(1) , 20-26 (1993-07-01)
27-1-020-026.pdf1.03 MB

Mechanism of Resurgence of the Diamondback Moth, Plutella xylostella (L.) (Lepidoptera: Yponomeutidae)
Hisashi NEMOTO, JARQ:Japan Agricultural Research Quarterly. 27(1) , 27-32 (1993-07-01)
27-1-027-032.pdf797.37 KB

Persimmon Breeding in Japan
Masahiko YAMADA, JARQ:Japan Agricultural Research Quarterly. 27(1) , 33-37 (1993-07-01)
27-1-033-037.pdf846.76 KB

Determination of Digestibility of Artificial Diets for the Silkworm (Bombyx mori) by Using Magnetite Sand
Yuji MATSURA, Motoichi MATSUDA, JARQ:Japan Agricultural Research Quarterly. 27(1) , 38-41 (1993-07-01)
27-1-038-041.pdf680.75 KB

Balance and Profitability of Private Forestry in Japan
Takaaki KOMAKI, JARQ:Japan Agricultural Research Quarterly. 27(1) , 42-48 (1993-07-01)
27-1-042-048.pdf1.07 MB

Control of Scarabaeid Grubs with an Entomogenous Nematode, Steinernema kushidai
Nobuo OGURA, JARQ:Japan Agricultural Research Quarterly. 27(1) , 49-54 (1993-07-01)
27-1-049-054.pdf1.1 MB

Prevention of Aflatoxin Contamination in Thai Maize 1. Infection of Thai maize with Aspergillus flavus
Koji KAWASHIMA, Prisnar SIRIACHA, Shoichi KAWASUGI, JARQ:Japan Agricultural Research Quarterly. 27(1) , 55-60 (1993-07-01)
27-1-055-060.pdf842.09 KB