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Research Highlights (2023)

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Program A : Environment

• Meta-analysis reveals general rice ratooning ability, and rice ratoon cropping shifts the plant type from panicle weight type to panicle number type
• High-efficiency microbial saccharification with novel xylan-saccharifying Bacteria
• Waterlogging due to rainfall alters gene expression patterns in the upper stem of oil palm
• Identification of the key biological nitrification inhibition (BNI) compound from maize roots
• Development of models to predict stem diameter and tree height of Shorea platyclados (Dipterocarpaceae) based on genomic information from seedlings
• Drought resilience of interspecific hybrids of the tropical forest trees Shorea leprosula and S. curtisii
• The difference in biochar application depths affects nitrate leaching and water budget
• Unraveling the factors influencing spatiotemporal variations in riverine dissolved organic matter and iron through a machine learning approach
• Visualizing the mitigation effect of nitrogen load and chemical fertilizer use, and resource recycling using the food nitrogen footprint concept

Program B : Food

• A QTL allele from wild soybean enhances protein content without reducing the oil content
• Development of the drought stress experimental system in the field with ridges
• Novel drought stress response mechanisms in plants
• Mathematical modeling is an effective approach in predicting the temporary expression pattern of the nitrate transporter gene NRT2.1
• Optimum phosphorus fertilizer management can balance productivity and quality of black rice
• A simple bioassay method for international comparison of insecticide susceptibility of the fall armyworm, Spodoptera frugiperda (J.E. Smith)
• A quantitative locus, MP3, which increases panicle number, enhances grain yield under an elevated atmospheric CO₂ environment
• Weakening of gene function of OsTB1 by genome editing improves rice productivity under phosphorus deficiency
• Scalable Research AchievementA simple method for estimating phosphorus (P) retention capacity in paddy soils based on soil moisture content: An effective approach for P fertilization diagnosis
• Localized phosphorus application via P-dipping is effective in avoiding flooding damage for lowland rice production
• Localized phosphorus application via P-dipping is most effective in increasing lowland rice yields when combined with seedlings at 4.5~6.5 leaf age
• Unique fertilizer response of sorghum on Plinthosols with thin effective soil depth
• Boosting cowpea grain yield in Plinthosols through fertilization and high plant density
• Estimating the impact of climate change on cowpea production in Sudan Savanna using field cultivation data
• Kinoshita and Shiranui, soybean varieties resistant to Asian soybean rust, have a second resistance gene

Program C : Information

• An integrated environmental control system and supplemental lighting increase strawberry production in subtropical regions
• Improvement of sugarcane root characteristics through intergeneric hybridization between sugarcane and Erianthus
• Photosynthetic capacity of passion fruit genotypes at high temperatures is determined by transpiration capacity under non-stressed conditions

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