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 2021-06-01 to 2025-06-01.)

Article	Citations
Genetic identification of the local mukodamashi varieties of foxtail millet (Setaria italica (L.) P. Beauv) in Japan	20
Hypoxia tolerance of four millet species is attributable to constitutive aerenchyma formation and root hair development of adventitious roots	19
Contribution of genes related to grain number (Gn1a and WFP) introgressed into NERICA 1 to grain yield under tropical highland conditions in central Kenya	17
Adaptive responses to flooding in wild rice species with various genomes other than AA	16
Predicting rice (Oryza sativaL.) canopy temperature difference and estimating its environmental response in two rice cultivars, ‘Koshihikari’ and ‘Takanari’, based on a neural network	14
Comparison of root dry matter content and root dry matter weight in sweet potato genotypes cultivated by transplanting and direct planting	14
Early ground rolling is highly effective in delaying spikelet initiation in early-sown spring wheat	13
Effect of leaf thinning on shoot growth and tuber yield of white Guinea yam	13
Improving efficiency of ground-truth data collection for UAV-based rice growth estimation models: investigating the effect of sampling size on model accuracy	12
Growth and yield-related traits of near-isogenic wheat lines carrying different alleles at the Vrn-D1 locus	12
Comparison of soybean crop performance under tropical environment between tropical and temperate cultivars with adjusted growth duration	10
Effect of nitrogen fixation enhancing type SEN1 gene on soybean growth	9
Harnessing genetic diversity in cotton for enhanced resilience against salt stress by using agro-physiological characters	8
Effect of flood and drip irrigation and difference of previous crop residue input on morphological and physiological traits in rice root	8
Effect of Nano silicon particles spraying on carnation ( Dianthus c aryophyllus L.) plants grown in soilless culture and irrigated with sa	8
Evaluation of root distribution and nitrate leaching in sugarcane,Erianthus, and their intergeneric hybrid at new planting	8
Impact assessment of main stem elongation and wind speed on lodging of soybean cultivar ‘Miyagishirome’	7
Genotype by Environment Interaction and Yield Stability of Coffee (Coffea arabica L.) Genotypes Evaluated in Western Ethiopia	7
History and progress in rice research and its future perspective in Cambodia	7
Deepwater response in the African cultivated rice Oryza glaberrima	7
Evaluation of the susceptibility to green stem disorder in soybeans [Glycine max (L.) Merr.] with vegetative storage protein accumulation	6
Effects of maize plant type and row spacing on the field microclimate and yield of intercropping ginger	6
Effect of breeding parents on the frequency distribution of cyanidin dominant progenies in purple-fleshed sweetpotato	6
On-farm agronomic manipulations to improve rice (Oryza sativa L.) production in the saline coastal zone of the Red River Delta in Vietnam	6
Promotion of potato yield under moderate water deficiency at the seedling stage by modifying sink-source relationship	5

Close mixed-planting with paddy rice reduced the flooding stress for upland soybean	5
A near-isogenic line for spikelet number in rice with a genetic background of IR64 under various fertilizer conditions	5
Growth and salt accumulation capacity of the common ice plant in the tsunami-affected soil	5
Solute contributions to osmotic adjustment in leaf segments of wheat ( Triticum aestivum L.) exposed to polyethylene glycol-induced water deficit	5
Comparison of anthocyanin and polyphenolics in purple sweetpotato (Ipomoea batatas Lam.) grown in different locations in Japan	5
Physiological and morphological factors affecting leaf sheath reinforcement and their contribution to lodging resistance in rice	5
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	5
Rice plants exhibit increased chilling tolerance and oligosaccharide production after acclimation	4
Effects of temperature during ripening on amylopectin chain-length distribution of ‘Koshihikari’ and ‘Ichihomare’	4
Yield and dry matter production of soybean response to late planting in southwestern Japan	4
Correction	4
Combined effect of S-type lateral root development and localized P application for increasing P uptake of lowland rice	4
Establishment of a high-yield intercropping system for maize and legumes under rainfed conditions in eastern Bhutan	3
Genetic variation in heading dates and phenological parameters of Myanmar rice	3
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	3
Variation in antioxidant capacity of the seven azuki bean (Vigna angularis) varieties with different seed coat color	3
Simplified estimation of branching plasticity of soybean cultivars in relation to planting density by branch development in the row with the gradient of distance between plants and after pinching	3
Promotive or suppressive effects of ultrafine bubbles on crop growth depended on bubble concentration and crop species	3
Evaluation of the mitigating effect of crack treatment on waterlogging stress in soybean	3
Differences in Fe toxicity response index and associated growth characteristics among rice genotypes	2
Genotypic difference in green stem disorder severity and vegetative storage protein accumulation affected by different degrees of sink limitation in soybeans [ Glycine max	2
Localized phosphorus application via P-dipping is more effective for improving initial rice growth in lower temperature conditions	2
Effectiveness of direct application of top dressing with spent coffee grounds for soil improvement and weed control in wheat-soybean double cropping system	2
Grain yield and genotype x environment interaction in bean cultivars with different growth habits	2
Resistance factors of pecky rice incidence caused by the rice stink bugs ( Leptocorisa chinensis, Nezara viridula ) in rice line CRR-99-95W	2
Analysis of vegetative storage protein accumulation in soybean cultivars expressing different green stem disorder severity affected by soil moisture change	2
Effects of shading, soil moisture, fertilizations and sowing time on isoflavone content of soybean seed in Hokkaido	2
Optimized nitrogen application increases rice yield by improving the quality of tillers	2
Yield potentials of improved rice varieties for increased lowland rice production within the mankran watershed in Ghana	2
The advantages of intercropping to improve productivity in food and forage production – a review	2
Status quo and challenges of rice production in sub-Saharan Africa	1
Characteristics of climate resource utilization and economic benefits in new planting pattern for fresh faba bean and fresh maize in Yangtze River Delta	1
Development and Application of a Plate Method for Visualizing Aleurone Layers in Mature Rice Grains	1
A Bayesian approach to assessing uncertainty in the effect of fertilization strategies on paddy rice yield via multiple on-farm experiments	1
Synergistic and sustainable impact of reducing nitrogen fertilizer on growth, yield, and quality of ramie (Boehmeria nivea L.)	1
A significant correlation between ABA-induced seed-germination delay and salt tolerance of seedling in Brassica napus	1
Physiological and candidate gene analysis of RG5 , a locus associated with a higher ratio of filled grains in rice ( Oryza sativa L.)	1
Biomass estimation of World rice (Oryza sativa L.) core collection based on the convolutional neural network and digital images of canopy	1
Variable-rate nitrogen application at the flag-leaf appearing stage is effective in increasing the grain protein content of the durum wheat	1
Identification of chromosome regions for high-temperature tolerance in the japonica rice cultivar ‘Genkitsukushi’ (Oryza sativa L.)	1
Cowpea ( Vigna unguiculata L. Walp) morpho-physiological and yield responses to chemical, organic, and biofertilizers at various watering levels utilizing drip irrigatio	1
Increasing lowland rice yields of smallholder farmers through the adoption of good agricultural practices in the forest agro-ecological zone of Ghana	1
Estimation of spikelet number per area by UAV-acquired vegetation index in rice (Oryza sativa L.)	1
Eggshell powder as calcium source on growth and yield of groundnut (Arachis hypogaea L.)	1
Green waste-derived compost (GWC) alleviates drought stress and promotes sugar beet productivity and biofortification	1
Ground rolling delays apical development and reduces frost injury in early-sown spring wheat	1
A novel index to evaluate resource allocation pattern in panicles in Japanese rice cultivars	1
Difference in responsiveness of expressions of starch synthesis-related genes to CRCT among rice cultivars	1
Carbohydrates accumulation, oil quality and yield of rapeseed genotypes at different nitrogen rates	1
Palatability characteristics of recent local-brand-rice cultivars	1

Source and sink traits and their relationship under deficit soil moisture stress conditions in an indeterminate crop: sesame (Sesamum indicum L.)