Today's world textile and garment trade is valued at a staggering $425 billion. We are told that under the pressure of increasing globalisation, it is India and China that are the new world ...manufacturing powerhouses. However, this is not a new phenomenon: until the industrial revolution, Asia manufactured great quantities of colourful printed cottons that were sold to places as far afield as Japan, West Africa and Europe. Cotton explores this earlier globalised economy and its transformation after 1750 as cotton led the way in the industrialisation of Europe. By the early nineteenth century, India, China and the Ottoman Empire switched from world producers to buyers of European cotton textiles, a position that they retained for over two hundred years. This is a fascinating and insightful story which ranges from Asian and European technologies and African slavery to cotton plantations in the Americas and consumer desires across the globe.
The article is about the materials of theoretical studies of the installation of a guide cap, as well as a new mesh design in the process of separating cotton from the conveying air. The issues of ...the influence of these designs on the natural properties of raw cotton are also studied.
In this fresh study Brian Schoen views the Deep South and its cotton industry from a global perspective, revisiting old assumptions and providing new insights into the region, the political history ...of the United States, and the causes of the Civil War.
Schoen takes a unique and broad approach. Rather than seeing the Deep South and its planters as isolated from larger intellectual, economic, and political developments, he places the region firmly within them. In doing so, he demonstrates that the region’s prominence within the modern world—and not its opposition to it—indelibly shaped Southern history.
The place of “King Cotton” in the sectional thinking and budding nationalism of the Lower South seems obvious enough, but Schoen reexamines the ever-shifting landscape of international trade from the 1780s through the eve of the Civil War. He argues that the Southern cotton trade was essential to the European economy, seemingly worth any price for Europeans to protect and maintain, and something to defend aggressively in the halls of Congress. This powerful association gave the Deep South the confidence to ultimately secede from the Union.
By integrating the history of the region with global events, Schoen reveals how white farmers, planters, and merchants created a “Cotton South,” preserved its profitability for many years, and ensured its dominance in the international raw cotton markets. The story he tells reveals the opportunities and costs of cotton production for the Lower South and the United States.
In the original publication of this article (Zhang et al. 2018) the first name and surname of the eighth author are in reverse order. The correct name of the eighth author should be SHAHZAD Kashif. ...In ‘Authors’ contributions’, ‘Kashif S’ should be “Shahzad K’. The original publication has been corrected.
Cotton Verticillium wilt is mainly caused by the fungus Verticillium dahliae, which threatens the production of cotton. Its pathogen can survive in the soil for several years in the form of ...microsclerotia, making it a destructive soil-borne disease. The accurate, sensitive, and rapid detection of V. dahliae from complex soil samples is of great significance for the early warning and management of cotton Verticillium wilt. In this study, we combined the loop-mediated isothermal amplification (LAMP) with CRISPR/Cas12a technology to develop an accurate, sensitive, and rapid detection method for V. dahliae. Initially, LAMP primers and CRISPR RNA (crRNA) were designed based on a specific DNA sequence of V. dahliae, which was validated using several closely related Verticillium spp. The lower detection limit of the LAMP-CRISPR/Cas12a combined with the fluorescent visualization detection system is approximately ~10 fg/μL genomic DNA per reaction. When combined with crude DNA-extraction methods, it is possible to detect as few as two microsclerotia per gram of soil, with the total detection process taking less than 90 min. Furthermore, to improve the method’s user and field friendliness, the field detection results were visualized using lateral flow strips (LFS). The LAMP-CRISPR/Cas12a-LFS system has a lower detection limit of ~1 fg/μL genomic DNA of the V. dahliae, and when combined with the field crude DNA-extraction method, it can detect as few as six microsclerotia per gram of soil, with the total detection process taking less than 2 h. In summary, this study expands the application of LAMP-CRISPR/Cas12a nucleic acid detection in V. dahliae and will contribute to the development of field-deployable diagnostic productions.
Improving fiber quality and yield are the primary research objectives in cotton breeding for enhancing the economic viability and sustainability of Upland cotton production. Identifying the ...quantitative trait loci (QTL) for fiber quality and yield traits using the high-density SNP-based genetic maps allows for bridging genomics with cotton breeding through marker assisted and genomic selection. In this study, a recombinant inbred line (RIL) population, derived from cross between two parental accessions, which represent broad allele diversity in Upland cotton, was used to construct high-density SNP-based linkage maps and to map the QTLs controlling important cotton traits.
Molecular genetic mapping using RIL population produced a genetic map of 3129 SNPs, mapped at a density of 1.41 cM. Genetic maps of the individual chromosomes showed good collinearity with the sequence based physical map. A total of 106 QTLs were identified which included 59 QTLs for six fiber quality traits, 38 QTLs for four yield traits and 9 QTLs for two morphological traits. Sub-genome wide, 57 QTLs were mapped in A sub-genome and 49 were mapped in D sub-genome. More than 75% of the QTLs with favorable alleles were contributed by the parental accession NC05AZ06. Forty-six mapped QTLs each explained more than 10% of the phenotypic variation. Further, we identified 21 QTL clusters where 12 QTL clusters were mapped in the A sub-genome and 9 were mapped in the D sub-genome. Candidate gene analyses of the 11 stable QTL harboring genomic regions identified 19 putative genes which had functional role in cotton fiber development.
We constructed a high-density genetic map of SNPs in Upland cotton. Collinearity between genetic and physical maps indicated no major structural changes in the genetic mapping populations. Most traits showed high broad-sense heritability. One hundred and six QTLs were identified for the fiber quality, yield and morphological traits. Majority of the QTLs with favorable alleles were contributed by improved parental accession. More than 70% of the mapped QTLs shared the similar map position with previously reported QTLs which suggest the genetic relatedness of Upland cotton germplasm. Identification of QTL clusters could explain the correlation among some fiber quality traits in cotton. Stable and major QTLs and QTL clusters of traits identified in the current study could be the targets for map-based cloning and marker assisted selection (MAS) in cotton breeding. The genomic region on D12 containing the major stable QTLs for micronaire, fiber strength and lint percentage could be potential targets for MAS and gene cloning of fiber quality traits in cotton.
Although cultivated for over 7000 years, mainly for production of cotton fibre, the cotton plant has not been fully explored for potential uses of its other parts. Despite cotton containing many ...important chemical compounds, limited understanding of its phytochemical composition still exists. In order to add value to waste products of the cotton industry, such as cotton gin trash, this review focuses on phytochemicals associated with different parts of cotton plants and their biological activities. Three major classes of compounds and some primary metabolites have been previously identified in the plant. Among these compounds, most terpenoids and their derivatives (51), fatty acids (four), and phenolics (six), were found in the leaves, bolls, stalks, and stems. Biological activities, such as anti-microbial and anti-inflammatory activities, are associated with some of these phytochemicals. For example, β-bisabolol, a sesquiterpenoid enriched in the flowers of cotton plants, may have anti-inflammatory product application. Considering the abundance of biologically active compounds in the cotton plant, there is scope to develop a novel process within the current cotton fibre production system to separate these valuable phytochemicals, developing them into potentially high-value products. This scenario may present the cotton processing industry with an innovative pathway towards a waste-to-profit solution.
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