A5001806144- Radioactive contamination and transfer
- Wheat and Barley Genetics and Pathology
- Radioactivity and Radon Measurements
- Crop Yield and Soil Fertility
- Mycotoxins in Agriculture and Food
- Radioactive element chemistry and processing
- Nuclear and radioactivity studies
- Plant Pathogens and Fungal Diseases
- Genetics and Plant Breeding
- Plant nutrient uptake and metabolism
- Plant Genetic and Mutation Studies
- Rice Cultivation and Yield Improvement
- Heavy metals in environment
- Nuclear Issues and Defense
- Plant Micronutrient Interactions and Effects
- Agriculture, Soil, Plant Science
- Advanced Thermoelectric Materials and Devices
- Clay minerals and soil interactions
- Soybean genetics and cultivation
- Metal and Thin Film Mechanics
- Genetic Mapping and Diversity in Plants and Animals
- Soil Management and Crop Yield
- Heusler alloys: electronic and magnetic properties
- Hydrogen Storage and Materials
- Plant tissue culture and regeneration
National Agriculture and Food Research Organization
2014-2023
Tohoku Agricultural Research Center
2014-2023
Kyushu Okinawa Agricultural Research Center
2009-2014
Kubota (Japan)
2012
Hokkaido University
2004-2008
Institute of Crop Science
2007-2008
Japan Steel Works (Japan)
2002-2005
Fujitsu (Japan)
1990
The genotypes of photoperiod response genes Ppd-B1 and Ppd-D1 in Japanese wheat cultivars were determined by a PCR-based method, heading times compared among genotypes. Most the cultivars, except those from Hokkaido region, carried photoperiod-insensitive allele Ppd-D1a, was accelerated 10.3 days with Ppd-D1b genotype. Early Ppd-D1a may have been selected to avoid damage preharvest rain. In frequency lower date late regardless genotype, suggesting another genetic mechanism for cultivars....
AbstractAbstractA low cadmium (Cd) concentration in wheat grain is desirable because of Cd toxicity to humans. Grain concentrations Japanese differed among the varieties previous study. In this study, we hypothesized that with a have (1) uptake from soil through roots during early growth and/or (2) translocation shoots, and also, (3) affected by root morphology. These hypotheses were verified investigating quantity root, shoot leaf tissues, examining morphology young seedlings high...
Abstract Fusarium head blight ( FHB ) remains a serious problem due to yield loss and mycotoxin accumulation in wheat production worldwide. We previously reported that the closed‐flowering (no anther extrusion) characteristic was effective for increasing resistance infection. In this study, we investigated relationships between degree of extrusion AE damage using double haploid lines DHL s), derived from F 1 plants crosses opened‐flowering varieties. These s exhibited various degrees ,...
The contamination of cadmium (Cd) into the food chain can be harmful because Cd causes chronic health problems. To evaluate breeding potential reducing concentration in wheat grain, we c...
The Ppd-A1 genotype of 240 Japanese wheat cultivars and 40 foreign was determined using a PCR-based method. Among cultivars, only 12 all which were Hokkaido winter wheat, carried the Ppd-A1a allele, while this allele not found in spring or Tohoku-Kyushu cultivars. Cultivars with photoperiod-insensitive headed 6.9–9.8 days earlier Kanto 2.5 than photoperiod-sensitive lower effect alleles observed could be due to longer day-length at spike formation stage compared that Kanto. Pedigree analysis...
The effect of soil exchangeable (plant-available) potassium (ExK) content on cesium (Cs) absorption and translocation in buckwheat was evaluated a field contaminated with radioactive Cs (134Cs 137Cs, RCs) 2013. RCs concentration significantly positively correlated the naturally occurring stable (133Cs, SCs) concentration, lower at higher ExK content. SCs were actively absorbed by until flowering stage. negatively (ExRCs ExSCs) concentrations. Greater soils low contents mainly due to ExRCs...
In wheat (Triticum aestivum L.), Fusarium head blight (FHB) resistance is an important breeding target to reduce yield losses and mycotoxin contamination. We hypothesized that cleistogamous (CL, closed flowering) cultivars have a lower risk of FHB infection than chasmogamous (CH, opened because usually occurs in the inside florets or extracted anthers CL decreases accumulation. To test these hypotheses, we produced 126 recombinant inbred lines (RILs) derived from cross between common...
Fusarium head blight (FHB), caused by graminearum, is a serious disease of wheat (Triticum aestivum L.) associated with contamination the mycotoxin deoxynivalenol (DON). The FHB-resistant cultivar 'Sumai 3' has been used extensively around world. existence variation in FHB resistance among accessions discussed. In this study, genetic collected from six countries were identified using SSR markers; our results demonstrate unique chromosome regions Sumai 3-AUT and 3-JPN ('Sumai Austria Japan,...
ABSTRACT Increasing exchangeable potassium (ExK) content in soil to an appropriate level is important mitigate the transfer of radioactive cesium crops. We focused on a buckwheat (Fagopyrum esculentum Moench) field with low ExK content, despite application K, Fukushima Prefecture, Japan (Field A), following Tokyo Electric Power Company Dai-ichi (No. 1) Nuclear Plant accident March 2011. examined relationship between K concentration and clay mineral composition Field A compared findings...
Fusarium head blight (FHB), which is caused by graminearum Schwabe [teleomorph: Gibberella zeae (Schwein.) Petch], a devastating disease affecting wheat (Triticum aestivum L.) spikes, considerably reduces grain yield and quality produces mycotoxins that are harmful to humans animals, especially in warm humid climates, such as of west Japan. Therefore, an important target breeding programs improve FHB resistance wheat. In general, cultivars bred Japan exhibit high worldwide. can be divided...
Decreasing the transfer of radioactive cesium (RCs) from soil to crops has been important since deposition RCs in agricultural owing Fukushima nuclear power plant accident 2011. We investigated genotypic variation accumulation 234 and 198 hexaploid wheat (Triticum spp.) varieties an affected field 2012 2013, respectively. The effects exchangeable potassium (ExK) content were also evaluated. A test showed fourfold differences ExK contents based on location, grown areas with lower tended have...
After the Tokyo Electric Power Company's Fukushima Dai-ichi Nuclear Plant accident in 2011, radioactive cesium (RCs) was released greater concentrations than strontium (RSr) surrounding environment. Most of countermeasures were developed to mitigate RCs transfer from soil plants. However, avoid what has happened after Chernobyl and Mayak accidents, preventing RSr plants should be a priority. Although application potassium (K) fertilizers is most effective method for agricultural crops...
The hard soil in the field is a major constraint for cereal production because it mechanically restricts root expansion and water absorption. ability of to penetrate into an important factor affecting yield stability wheat (Triticum aestivum L.) under drought conditions. We investigated variation penetrating roots (PA) among Japanese cultivars its relationship with other shoot characters acquire basic information develop higher PA. evaluation was conducted by two experiments using groups...
Abstract Increasing root penetration (RP) ability into hard soil is important to improve drought resistance in durum wheat. Traits related RP were evaluated 110 recombinant inbred lines (RILs) derived from a cross between ‘Jennah Khetifa’ and ‘Cham1’ using paraffin‐Vaseline (PV) discs. QTL analyses made for the number of roots penetrating PV disc (PVRN), total seminal crown (TRN), index (PVRN/TRN) dry weight (DW). had higher PVRN, DW values than ‘Cham1’, RILs showed significant differences...
Near-isogenic lines (NILs), carrying different combinations of Ppd-1 genes in the genetic background an early-maturity cultivar Abukumawase were grown at two sites for years to elucidate effects photoperiodic response on growth and yield wheat ( Triticum aestivum L.) central southwestern Japan. Photoperiod-insensitive genes, Ppd-B1a Ppd-D1a , accelerated young spike development, this effect was predominant with Ppd-B1 no additive among them. also advanced jointing stage, heading, maturity,...
This study assessed soil contamination with high radioactive cesium (R–Cs) concentration in buckwheat grains by lodging, and the possibility of R–Cs reduction grain through post-harvest preparation. Analysis produced farmers’ fields reports from farmers indicated that had lodging showed higher than no lodging. A field experiment demonstrated after threshing winnowing (TW) was about six times lodged plants nonlodged plants. In plants, decreased to one-fourth polishing, one-seventh ultrasonic...