OOIR: Observatory of International Research

Papers

(The median citation count of Plant Production Science is 1. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-04-01 to 2025-04-01.)

Article	Citations
Contribution of genes related to grain number (Gn1a and WFP) introgressed into NERICA 1 to grain yield under tropical highland conditions in central Kenya	19
Effects of water-table depth on seed quality as β-glucan content in waxy and non-waxy naked barley grains	15
Nitrogen uptake pattern of dry direct-seeded rice and its contribution to yields in northeastern Japan	15
Physiological and morphological factors affecting leaf sheath reinforcement and their contribution to lodging resistance in rice	14
Monitoring spatial and time-series variations in red crown rot damage of soybean in farmer fields based on UAV remote sensing	13
Green waste-derived compost (GWC) alleviates drought stress and promotes sugar beet productivity and biofortification	13
Genetic identification of the local mukodamashi varieties of foxtail millet (Setaria italica (L.) P. Beauv) in Japan	12
Close mixed-planting with paddy rice reduced the flooding stress for upland soybean	12
Adaptive responses to flooding in wild rice species with various genomes other than AA	9
Effect of flag leaf length of erect panicle rice on the canopy structure and biomass production after heading	9
Genetic analysis of biochemical, fiber yield and quality traits of upland cotton under high-temperature	9
Development and Application of a Plate Method for Visualizing Aleurone Layers in Mature Rice Grains	9
Hypoxia tolerance of four millet species is attributable to constitutive aerenchyma formation and root hair development of adventitious roots	8
Effects of shading, soil moisture, fertilizations and sowing time on isoflavone content of soybean seed in Hokkaido	8
Photosynthetic nitrogen- and water-use efficiencies in C ₃ and C ₄ subtype grasses grown under two nitrogen supply levels	8
Growth and salt accumulation capacity of the common ice plant in the tsunami-affected soil	7
Promotion of potato yield under moderate water deficiency at the seedling stage by modifying sink-source relationship	7
Improving efficiency of ground-truth data collection for UAV-based rice growth estimation models: investigating the effect of sampling size on model accuracy	6
Early ground rolling is highly effective in delaying spikelet initiation in early-sown spring wheat	6
Drought escape during the late growth stage through early recovery from initial drying stress by hydropriming of upland rice	6
Ground rolling delays apical development and reduces frost injury in early-sown spring wheat	6
Identification of chromosome regions for high-temperature tolerance in the japonica rice cultivar ‘Genkitsukushi’ (Oryza sativa L.)	5
Effect of leaf thinning on shoot growth and tuber yield of white Guinea yam	5
Comparison of anthocyanin and polyphenolics in purple sweetpotato (Ipomoea batatas Lam.) grown in different locations in Japan	5
Estimation of sink capacity of rice grains: A comparison of calculation methods based on 1000-grain weight and grain projected area	5

Temperature tolerance threshold and mechanism of oxidative damage in the leaf of Coffea arabica ‘Typica’ under heat stress	5
Cowpea ( Vigna unguiculata L. Walp) morpho-physiological and yield responses to chemical, organic, and biofertilizers at various watering levels utilizing drip irrigatio	5
Effects of waterweed compost derived from Lake Biwa on Komatsuna (Brassica rapa var. perviridis) growth	5
Ultra-fine bubble irrigation promotes coffee ( Coffea arabica ) seedling growth under repeated drought stresses	5
Effects of knockout of CO₂-responsive CCT protein, a regulator of starch synthesis on physiological characteristics of rice	5
Comparison of root dry matter content and root dry matter weight in sweet potato genotypes cultivated by transplanting and direct planting	4
A Bayesian approach to assessing uncertainty in the effect of fertilization strategies on paddy rice yield via multiple on-farm experiments	4
Difference in responsiveness of expressions of starch synthesis-related genes to CRCT among rice cultivars	3
Large-eddy simulation of cultivated fields with Cyperus malaccensis Lam	3
Predicting rice (Oryza sativaL.) canopy temperature difference and estimating its environmental response in two rice cultivars, ‘Koshihikari’ and ‘Takanari’, based on a neural network	3
Characteristics of climate resource utilization and economic benefits in new planting pattern for fresh faba bean and fresh maize in Yangtze River Delta	3
Timing of nitrogen fertilization and shading affect the transition of nitrogen metabolism in senescing leaves of ripening wheat ( Triticum aestivum L.)	3
Soybean was sensitive to short-term waterlogged condition at full-pod stage causing yield loss with nitrogen deficiency	2
The positive effects of appropriate drought stress on alfalfa that saving water while ensuring quality and economic benefits	2
Varietal difference in dynamics of non-structural carbohydrates in nodal segments of stem in two varieties of rice (Oryza sativa L.) at pre- and post-heading stages	2
Evaluation of root distribution and nitrate leaching in sugarcane,Erianthus, and their intergeneric hybrid at new planting	2
Exogenous calcium fertilizer supplementation regulates production period in djulis (Chenopodium formosanum Koidz.)	2
Identification and validation of quantitative trait loci for a parameter associated with nitrogen partitioning to grain using a population derived from japonica- and indica-type cultivar	2
A near-isogenic line for spikelet number in rice with a genetic background of IR64 under various fertilizer conditions	2
Rice plants exhibit increased chilling tolerance and oligosaccharide production after acclimation	2
Dry direct-seeded rice in north-eastern Japan: management and future prospects	2
Barley varieties tolerant to waterlogged reduced soil show the better root growth in hypoxia	2
Inhibition of transpiration in rice by prohydrojasmon compared with that by commercially available microcrystalline and paraffin wax agents	2
Increasing lowland rice yields of smallholder farmers through the adoption of good agricultural practices in the forest agro-ecological zone of Ghana	1
Carbohydrates accumulation, oil quality and yield of rapeseed genotypes at different nitrogen rates	1
Effect of Nano silicon particles spraying on carnation ( Dianthus c aryophyllus L.) plants grown in soilless culture and irrigated with sa	1
Identification of a major QTL for root thickness in diploid wild sweetpotato (Ipomoea trifida) using QTL-seq	1
Cross-locational experiments to reveal yield potential and yield-determining factors of the rice cultivar ‘Hokuriku 193’ and climatic factors to achieve high brown rice yield over 1.2kg m	1
Genetic analysis of root vascular traits in a population from two temperate japonica rice ecotypes	1
The impact of phytochemical, morpho-physiological, and biochemical changes of Lallemantia royleana (Benth.) on drought tolerance	1
Promotive or suppressive effects of ultrafine bubbles on crop growth depended on bubble concentration and crop species	1
Effect of flood and drip irrigation and difference of previous crop residue input on morphological and physiological traits in rice root	1
Harnessing genetic diversity in cotton for enhanced resilience against salt stress by using agro-physiological characters	1
Synergistic and sustainable impact of reducing nitrogen fertilizer on growth, yield, and quality of ramie (Boehmeria nivea L.)	1
Growth and yield-related traits of near-isogenic wheat lines carrying different alleles at the Vrn-D1 locus	1
Development of a simple evaluation method of soybean seedling emergence against soil crust	1
Improvement of soybean yield in northern Japan using genetic resources from western Japan with high plant density and nitrogen application	1
Growth responses of seedlings under complete submergence in rice cultivars carrying both the submergence-tolerance gene SUB1A-1 and the floating genes SNORKELs	1
Deepwater response in the African cultivated rice Oryza glaberrima	1
Evaluation of the mitigating effect of crack treatment on waterlogging stress in soybean	1
Optimum water depth for suppressing late watergrass growth with minimizing rice growth inhibition under different temperature conditions	1
Effect of nitrogen fixation enhancing type SEN1 gene on soybean growth	1
Comparison of soybean crop performance under tropical environment between tropical and temperate cultivars with adjusted growth duration	1
Effects of exogenous strigolactone on growth, dry matter accumulation, and yield of tissue-cultured ginger	1
Yield and dry matter production of soybean response to late planting in southwestern Japan	1
Evaluation of mother and daughter root traits in sweet potato germplasm cultivated by direct planting	1