Christopher D. Delhom

ORCID: 0000-0001-5111-5818
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About
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Research Areas
  • Research in Cotton Cultivation
  • Textile materials and evaluations
  • Advanced Cellulose Research Studies
  • Dyeing and Modifying Textile Fibers
  • Natural Fiber Reinforced Composites
  • Industrial Vision Systems and Defect Detection
  • Material Properties and Processing
  • Color Science and Applications
  • Plant and Fungal Interactions Research
  • Rice Cultivation and Yield Improvement
  • Soil Management and Crop Yield
  • Plant Surface Properties and Treatments
  • Tree Root and Stability Studies
  • Irrigation Practices and Water Management
  • Polymer Nanocomposites and Properties
  • Flame retardant materials and properties
  • Plant Molecular Biology Research
  • Soil Mechanics and Vehicle Dynamics
  • Mechanical Engineering and Vibrations Research
  • Plant nutrient uptake and metabolism
  • Insect and Arachnid Ecology and Behavior
  • Forest Biomass Utilization and Management
  • Sugarcane Cultivation and Processing
  • Gas Sensing Nanomaterials and Sensors
  • Economics of Agriculture and Food Markets

Agricultural Research Service
2012-2024

United States Department of Agriculture
2009-2024

Quality Research
2013-2023

Cotton (United States)
2013-2023

Southern Regional Research Center
2013-2023

Grains Research and Development Corporation
2023

Commonwealth Scientific and Industrial Research Organisation
2023

Texas Tech University
2022

Agricultural Marketing Service
2020

Oak Ridge Institute for Science and Education
2018

Cotton supplies a great majority of natural fiber for the global textile industry. The negative correlation between yield and quality has hindered breeders' ability to improve these traits simultaneously. A multi-parent advanced generation inter-cross (MAGIC) population developed through random-mating multiple diverse parents break this correlation. Genotyping-by-sequencing (GBS) is method that can rapidly identify genotype large number single nucleotide polymorphisms (SNP). Genotyping MAGIC...

10.1186/s12864-016-3249-2 article EN cc-by BMC Genomics 2016-11-09

Abstract Background Cotton fiber length is very important to the quality of textiles. Understanding genetics and physiology cotton elongation can provide valuable tools industry by targeting genes or other molecules responsible for elongation. Ligon Lintless-1 ( Li 1 ) a monogenic mutant in Upland Gossypium hirsutum which exhibits an early cessation resulting short fibers (< 6 mm) at maturity. This presents excellent model system studying underlying molecular cellular processes involved...

10.1186/1471-2164-14-403 article EN cc-by BMC Genomics 2013-06-17

Some naturally coloured brown cotton fibres from accessions of Gossypium hirsutum L. can be used to make textiles with enhanced flame retardancy (FR). Several independent fibre loci have been identified and mapped chromosomes, but the underlying genes not yet identified, mechanism lint FR is fully understood. In this study, we show that both colour Lc1 locus are linked a 1.4Mb inversion on chromosome A07 immediately upstream gene similarity Arabidopsis TRANSPARENT TESTA 2 (TT2). As result...

10.1093/jxb/erw312 article EN cc-by Journal of Experimental Botany 2016-08-27

Cotton fiber maturity is an important factor for determining the commercial value of cotton. How cell wall development affects not well understood. A comparison cross-sections showed that immature (im) mutant had lower than its near isogenic wild type, Texas marker-1 (TM-1). The availability im and TM-1 provides a unique way to determine molecular mechanisms regulating cotton maturity.Transcriptome analysis differentially expressed genes (DEGs) in fibers grown under normal stress conditions...

10.1186/1471-2164-14-889 article EN cc-by BMC Genomics 2013-01-01

ABSTRACT Growing degree days required for cotton ( Gossypium hirsutum L.) growth and development were recorded four growing seasons compared with fiber‐quality measurements gene expression data indicative of different stages fiber development. Fiber‐bundle strength differences between the Upland near‐isogenic lines MD 52ne 90ne observed using immature mature fibers collected at time points stages. Previously characterized fiber‐bundle‐strength lines, known as a result early entrance into...

10.2135/cropsci2010.10.0569 article EN Crop Science 2011-06-23

Two of the important cotton fiber quality and processing parameters are maturity fineness. Fiber is degree development fiber’s secondary wall, fineness a measure linear density can be expressed as mass per unit length. A well-known method for cross-section image analysis microscopy measurement. In general, typical methods slow tedious to perform. Much interest has been shown in improved rapid routine measurements laboratory. The Cottonscope® new small footprint instrument measuring fineness,...

10.1177/0040517511431317 article EN Textile Research Journal 2011-12-20

Abstract Cotton seed trichomes are the most important source of natural fibers globally. The major fiber thickness properties influence price raw material, and quality finished product. recessive immature (im) gene reduces degree cell wall thickening by a process that was previously shown to involve mitochondrial function in allotetraploid Gossypium hirsutum. Here, we present fine genetic mapping im locus, expression analysis annotated proteins near association linked markers....

10.1534/g3.116.027649 article EN cc-by G3 Genes Genomes Genetics 2016-06-01

Studies on the effect of nitrogen (N) application rates lint yield and fiber quality in irrigated rainfed cotton were conducted for two years. In 2013, was planted 48 plots. Twenty-four plots other 24 pots rainfed. Six N (0, 39, 67, 101, 135, 168 kg/ha) with four replicates randomly assigned to 2014, five treatments 56, 112, 168, 224 20 Effect significant 2014 (p = 0.0196), but not 2013. Yield showed a quadratic relationship leaf content both 2013 0.0268) 0.0099). Correlation between Leaf...

10.56454/xzqp5457 article EN ˜The œjournal of cotton science/Journal of cotton science 2017-01-01

An earlier study confirmed the influence of cotton fiber length characteristics on High Volume Instrument™ (HVI) strength measurement and devised a quantitative correction factor to compensate for effect. The current paper investigated validity two important assumptions utilized in previous study. Firstly, single testing that particular sample preparation method used generate samples different from common sliver did not introduce any inherent damage fibers (and so this could be explanation...

10.1177/0040517513515318 article EN Textile Research Journal 2014-01-16

The interactions of nanoparticles with polymer hosts have important implications for directing the macroscopic properties composite fibers, yet little is known about such hierarchically ordered natural polymers due to difficulty achieving uniform dispersion within semi-crystalline fiber. In this study we homogeneously dispersed silver throughout an entire volume cotton resulting electrostatic interaction and distinct supramolecular structure fiber provided a favorable environment controlled...

10.1038/srep37320 article EN cc-by Scientific Reports 2016-11-16

Cotton fiber cross-sectional properties influence the performance of ring spun yarns. The spinning two Gossypium hirsutum L. Upland cotton genotypes known to have inherently different fineness were compared. Genotypes grown together in field experiments conducted over growing seasons, and crops subjected early late defoliation treatments. aim was quantify differences yarn following changes targeting isolation from other properties. For first time, percentage difference captured along with...

10.1177/0040517521992769 article EN Textile Research Journal 2021-02-10

Maturity and strength are two of the physical properties that determine quality value cotton ( Gossypium hirsutum L.). Their relationship has been poorly understood due to technical difficulties directly measuring maturity from individual fibers. The narrow ranges most upland fibers have also impeded scientists performing statistical approaches. Therefore, we used genetic approaches construct 168 new materials covering broad measured ratio (MR) strength‐related bundle single with reference...

10.2135/cropsci2018.05.0324 article EN Crop Science 2018-11-01

Because of the continual efforts to breed cotton for increased fiber yield, several seed/fiber compositional properties have likely shifted over decades. Conversations with breeders, ginners, and oil processers identified concerns, including smaller seed size, weaker hulls, hull fragment contamination fiber, reduced protein levels—all which directly affect economic value crop. To better understand these changes, field samples current cultivars were collected from areas around Stoneville, MS;...

10.56454/rjni8976 article EN ˜The œjournal of cotton science/Journal of cotton science 2018-01-01

A comparative study was conducted to identify the effects of processing on physical and combustion properties needlepunched (NP) hydroentangled (H-E) nonwoven fabrics produced from fibers white fiber cotton a naturally colored brown cotton. significantly higher degree flame retardancy (FR) in observed compared with fibers. Calorimetry revealed lower heat release capacity, peak rate, total The ash content also samples suggesting levels inorganic elements Elemental analyses had known FR...

10.1177/0040517515573410 article EN Textile Research Journal 2015-02-24
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