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 2021-02-01 to 2025-02-01.)

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	12
Green waste-derived compost (GWC) alleviates drought stress and promotes sugar beet productivity and biofortification	10
Effects of shading, soil moisture, fertilizations and sowing time on isoflavone content of soybean seed in Hokkaido	10
Photosynthetic nitrogen- and water-use efficiencies in C ₃ and C ₄ subtype grasses grown under two nitrogen supply levels	9
Genetic identification of the local mukodamashi varieties of foxtail millet (Setaria italica (L.) P. Beauv) in Japan	9
Close mixed-planting with paddy rice reduced the flooding stress for upland soybean	9
Monitoring spatial and time-series variations in red crown rot damage of soybean in farmer fields based on UAV remote sensing	9
Hypoxia tolerance of four millet species is attributable to constitutive aerenchyma formation and root hair development of adventitious roots	9
Physiological and morphological factors affecting leaf sheath reinforcement and their contribution to lodging resistance in rice	8
Development and Application of a Plate Method for Visualizing Aleurone Layers in Mature Rice Grains	8
Genetic analysis of biochemical, fiber yield and quality traits of upland cotton under high-temperature	7
Growth and salt accumulation capacity of the common ice plant in the tsunami-affected soil	7
Adaptive responses to flooding in wild rice species with various genomes other than AA	7
Effect of flag leaf length of erect panicle rice on the canopy structure and biomass production after heading	7
Effects of Phytophthora sojae inoculation under flooded conditions on growth of soybean seedlings	7
Drought escape during the late growth stage through early recovery from initial drying stress by hydropriming of upland rice	6
Promotion of potato yield under moderate water deficiency at the seedling stage by modifying sink-source relationship	6
Temperature tolerance threshold and mechanism of oxidative damage in the leaf of Coffea arabica ‘Typica’ under heat stress	5
Estimation of sink capacity of rice grains: A comparison of calculation methods based on 1000-grain weight and grain projected area	5
Ground rolling delays apical development and reduces frost injury in early-sown spring wheat	5
Effects of waterweed compost derived from Lake Biwa on Komatsuna (Brassica rapa var. perviridis) growth	5
Effect of leaf thinning on shoot growth and tuber yield of white Guinea yam	5
Predicting rice (Oryza sativaL.) canopy temperature difference and estimating its environmental response in two rice cultivars, ‘Koshihikari’ and ‘Takanari’, based on a neural network	5

Identification of chromosome regions for high-temperature tolerance in the japonica rice cultivar ‘Genkitsukushi’ (Oryza sativa L.)	5
Early ground rolling is highly effective in delaying spikelet initiation in early-sown spring wheat	5
Improving efficiency of ground-truth data collection for UAV-based rice growth estimation models: investigating the effect of sampling size on model accuracy	5
Effects of knockout of CO₂-responsive CCT protein, a regulator of starch synthesis on physiological characteristics of rice	4
Exogenous calcium fertilizer supplementation regulates production period in djulis (Chenopodium formosanum Koidz.)	4
Ultra-fine bubble irrigation promotes coffee ( Coffea arabica ) seedling growth under repeated drought stresses	4
Comparison of anthocyanin and polyphenolics in purple sweetpotato (Ipomoea batatas Lam.) grown in different locations in Japan	4
Cowpea ( Vigna unguiculata L. Walp) morpho-physiological and yield responses to chemical, organic, and biofertilizers at various watering levels utilizing drip irrigatio	4
Difference in responsiveness of expressions of starch synthesis-related genes to CRCT among rice cultivars	3
A Bayesian approach to assessing uncertainty in the effect of fertilization strategies on paddy rice yield via multiple on-farm experiments	3
Effects of exogenous strigolactone on growth, dry matter accumulation, and yield of tissue-cultured ginger	3
Large-eddy simulation of cultivated fields with Cyperus malaccensis Lam	3
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	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
Comparison of root dry matter content and root dry matter weight in sweet potato genotypes cultivated by transplanting and direct planting	3
Barley varieties tolerant to waterlogged reduced soil show the better root growth in hypoxia	3
Rice plants exhibit increased chilling tolerance and oligosaccharide production after acclimation	2
Evaluation of root distribution and nitrate leaching in sugarcane,Erianthus, and their intergeneric hybrid at new planting	2
Carbohydrates accumulation, oil quality and yield of rapeseed genotypes at different nitrogen rates	2
Synergistic and sustainable impact of reducing nitrogen fertilizer on growth, yield, and quality of ramie (Boehmeria nivea L.)	2
A near-isogenic line for spikelet number in rice with a genetic background of IR64 under various fertilizer conditions	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
Development of a simple evaluation method of soybean seedling emergence against soil crust	2
Inhibition of transpiration in rice by prohydrojasmon compared with that by commercially available microcrystalline and paraffin wax agents	2
Growth responses of seedlings under complete submergence in rice cultivars carrying both the submergence-tolerance gene SUB1A-1 and the floating genes SNORKELs	2
Comparison of soybean crop performance under tropical environment between tropical and temperate cultivars with adjusted growth duration	2
Effect of nitrogen fixation enhancing type SEN1 gene on soybean growth	1
Growth and yield-related traits of near-isogenic wheat lines carrying different alleles at the Vrn-D1 locus	1
Variation of grain zinc, phytate concentration and phytate : Zn molar ratio in unpolished and polished rice affected by foliar zinc application among Thai rice varieties	1
Effect of drought stress on flowering characteristics in rice (Oryza sativa L.): a study using genotypes contrasting in drought tolerance and flower opening time	1
Rapid evaluation of leaf photosynthesis using a closed-chamber system in a C₄ plant, sugarcane	1
Farmyard manure application increases spikelet fertility and grain yield of lowland rice on phosphorus-deficient and cool-climate conditions in Madagascar highlands	1
Canopy coverage of wheat measured with high accuracy using the HSV colour model and relative depth estimation model, MiDaS	1
Optimum water depth for suppressing late watergrass growth with minimizing rice growth inhibition under different temperature conditions	1
Yield and dry matter production of soybean response to late planting in southwestern Japan	1
Effects of depressions and drainage systems on soybean ( Glycine max (L.) Merill) growth during the early growth stages under excess water stress conditions	1
Evaluation of APSIM-wheat to simulate the response of yield and grain protein content to nitrogen application on an Andosol in Japan	1
Evaluation of mother and daughter root traits in sweet potato germplasm cultivated by direct planting	1
Genetic control of root architectural traits in KDML105 chromosome segment substitution lines under well-watered and drought stress conditions	1
Correction	1
Variation in antioxidant capacity of the seven azuki bean (Vigna angularis) varieties with different seed coat color	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
The impact of phytochemical, morpho-physiological, and biochemical changes of Lallemantia royleana (Benth.) on drought tolerance	1
Increasing lowland rice yields of smallholder farmers through the adoption of good agricultural practices in the forest agro-ecological zone of Ghana	1
A significant correlation between ABA-induced seed-germination delay and salt tolerance of seedling in Brassica napus	1
Deepwater response in the African cultivated rice Oryza glaberrima	1
Harnessing genetic diversity in cotton for enhanced resilience against salt stress by using agro-physiological characters	1