Stability, variation, and application of AFIS fiber length distributions
By Fan Qin on Apr 21, 2020

JCR Fiber Quality

Journal of Cotton Research [Background] Fiber length is one of the primary quality parameters for the cotton industry when considering the textile performance and end-use quality of cotton. Currently, many decisions regarding cotton fiber length utilize the industry standard measurement device, i.e., the High Volume Instrument (HVI). However, it i...

GbAt11 gene cloned from Gossypium barbadense mediates resistance to Verticillium wilt in Gossypium hirsutum
By Fan Qin on Apr 17, 2020

Disease control Biomol - Biotechnology Biotechnology JCR

Journal of Cotton Research [Background] Gossypium hirsutum is highly susceptible to Verticillium wilt, and once infected Verticillium wilt, its yield is greatly reduced. But G. barbadense is highly resistant to Verticillium wilt. It is possible that transferring some disease-resistant genes from G. barbadense to G. hirsutummay contribute to G. hir...

Towards complete deconstruction of cotton transcriptional landscape
By Fan Qin on Apr 7, 2020

Biomol - Biotechnology Biomol - Biotech-Asia JCR

Journal of Cotton Research Abstract: Recently, Wang et al. systematically explored the transcription landscape in diploid cotton Gossypium arboreum. In the study, they integrated four high-throughput sequencing techniques, including Pacbio sequencing, strand-specific RNA sequencing (ssRNA-seq), Cap analysis gene expression sequencing (CAGE-seq), a...

Extrafloral nectary–the sleeping beauty of plant science
By Fan Qin on Mar 25, 2020

Biomol - Biotechnology Pest control JCR

Journal of Cotton Research Abstract: Cotton is one of the most important cash crops, its growth season coincides with a high incidence of diverse groups of pests, leading to heavy use of pesticides. Recent identification of a signaling protein as a candidate regulator of cotton extrafloral nectary provides a new insight into the formation of sophi...

QTL mapping for plant height and fruit branch number based on RIL population of upland cotton
By Fan Qin on Feb 26, 2020

Biomol - Biotechnology JCR

Journal of Cotton Research [Background] Plant height (PH) and fruit branch number (FBN) are important traits for improving yield and mechanical harvesting of cotton. In order to identify genes of PH and FBN in cotton germplasms to develop superior cultivars, quantitative trait loci (QTLs) for these traits were detected based on the phenotypic eval...

The GhREV transcription factor regulate the development of shoot apical meristem in cotton (Gossypium hirsutum)
By Fan Qin on Feb 25, 2020

Biomol - Biotechnology JCR

Journal of Cotton Research [Background] Manual topping is a routine agronomic practice for balancing the vegetative and reproductive growth of cotton (Gossypium hirsutum) in China, but its cost-effectiveness has decreased over time. Therefore, there is an urgent need to replace manual topping with new approaches, such as biological topping. In thi...

Identification of QTLs and candidate genes for physiological traits associated with drought tolerance in cotton
By Fan Qin on Feb 24, 2020

Breeding & Genetic improvement Biomol - Biotechnology JCR

Journal of Cotton Research [Background] Cotton is mainly grown for its natural fiber and edible oil. The fiber obtained from cotton is the indispensable raw material for the textile industries. The ever changing climatic condition, threatens cotton production due to a lack of sufficient water for its cultivation. Effects of drought stress are esti...

Transient expression of SbDhr2 and MeHNL in Gossypium hirsutum for herbivore deterrence assay with Spodoptera litura
By Fan Qin on Feb 23, 2020

Crop Protection Biomol - Biotechnology Pest control JCR

Journal of Cotton Research [Background] Spodoptera litura (Lepidoptera: Noctuidae), commonly known as tobacco cutworm or cotton leafworm, is a polyphagous pest which causes considerable damage to cotton (Gossypium hirsutum) and other crops. Herbivore-induced defence response is activated in plants against chewing pests, in which plant secondary me...

Soil replacement combined with subsoiling improves cotton yields
By Fan Qin on Feb 22, 2020

Agronomy & physiology JCR

[Background] Long-term rotary tillage has led to the deterioration of cotton production in northern China. This deterioration is due to the disturbance of topsoil, a dense plough pan at the 20–50 cm depth, and the decreased water storage capacity. A 2-yr field experiment was performed from 2014 to 2015 to explore a feasible soil tillage approach to...

Comparative effects of crop residue incorporation and inorganic potassium fertilization on soil C and N characteristics and microbial activities in cotton field
By Fan Qin on Dec 24, 2019

Agronomy & physiology JCR

[Background] Crop residue incorporation into the soil is an effective method to augment soil potassium (K) content, and effects of crop residue and K fertilizer on soil K balance have been compared. However, their influences on other soil characteristics such as carbon (C) and nitrogen (N) characteristics and microbial activities have not been quan...

Bt insecticidal efficacy variation and agronomic regulation in Bt cotton
By Fan Qin on Dec 23, 2019

JCR

Abstract: The bollworm can be controlled effectively with Bacillus thuringiensistransgenic cotton (Bt cotton) which is being applied worldwide. However, the insecticidal efficacy is not stable. Here we give a summary of research progress for the mechanism of the altered insecticidal efficacy, factors affecting the expression of insect resistance, a...

Evaluation of the genetic diversity of fibre quality traits in upland cotton (Gossypium hirsutum L.) inferred from phenotypic variations
By Fan Qin on Dec 23, 2019

Breeding JCR Fiber Quality

[Background] Evaluating phenotypic traits is very important for the selection of elite lines in Gossypium hirsutum L. Cotton breeders are interested in using diverse genotypes in hybridization that can segregate for traits of interested with the possibility of selection and genetic gain. Information on phenotypic and molecular diversity helps the b...

Towards improving drought resistance and lodging resistance in cotton
By Fan Qin on Dec 12, 2019

JCR

Abstract: Cotton is one of the most important fiber and oil crop in the world and the fiber yield as well as quality traits are negatively affected by drought and lodging. Improving root gravitropism is a very effective way to enhance the crop resistance to drought and lodging stresses. Recent advance in origin and formation of root gravitropism ma...

Antioxidant and Physiological Responses of Upland Cotton Accessions Grown Under High-Temperature Regimes
By Muhammad Naveed Arshad on Nov 29, 2019

Agronomy & physiology

Increased temperature caused by climate change is exerting negative impacts on productivity of cotton crop. Therefore, breeding cultivars tolerant of high temperature are need of the time. Realizing the situation, 154 accessions of upland cotton were sown under alpha lattice design in three replications in two sowing dates. The first sowing date wa...

Transgenic crops for the agricultural improvement in Pakistan
By Muhammad Naveed Arshad on Nov 29, 2019

Biotechnology

Transgenic technologies have emerged as a powerful tool for crop improvement in terms of yield, quality, and quantity in many countries of the world. However, concerns also exist about the possible risks involved in transgenic crop cultivation. In this review, literature is analyzed to gauge the real intensity of the issues caused by environmental...

GENE FLOW FROM MAJOR GENETICALLY MODIFIE D CROPS AND STRATEGIES FOR C ONTAINMENT AND MITIG ATION OF TRANSGENE ESCAPE: A
By Muhammad Naveed Arshad on Nov 29, 2019

Biotechnology

Recent advancements in biotechnology resulted in rapid adoption of genetically modified (GM) crops in the agriculture systems. At the same time, transgene escape has also been reported and examples reveal global dimension of the problem. Pollen mediated gene flow (PMGF) is the major pathway for transgene escape. Almost all transgenes have been esca...

Genetic effects conferring heat tolerance in upland cotton (Gossypium hirsutum L.)
By Muhammad Naveed Arshad on Nov 29, 2019

Biomol - Biotechnology

Cotton belongs to family Malvaceae containing more than 200 genera and about 2 300 species. There are more than 50 species of Gossypium reported till now, which are native to Africa, Australia, Central and South America and Asia, respectively (Fryxell 1992; Wendel and Grover 2015). Out of 50 species, only four are domesticated and widespread....

Role of SNPs in determining QTLs for major traits in cotton
By Muhammad Naveed Arshad on Nov 29, 2019

Biotechnology

A single nucleotide polymorphism is the simplest form of genetic variation among individuals and can induce minor changes in phenotypic, physiological and biochemical characteristics. This polymorphism induces various mutations that alter the sequence of a gene which can lead to observed changes in amino acids. Several assays have been developed...

Large-scale inversions majorly drive upland cotton population differentiation
By Fan Qin on Nov 22, 2019

JCR

Journal of Cotton Research Abstract: Recently, Li and his team hosted a project on roles of inversion in upland cotton population differentiation. Strikingly, genomic comparison identified, and subsequent RIL population and germplasm panel haplotype analyses confirmed, that large-scale inversions on chromosome At08 are widely distributed and h...

Down regulation of cotton GbTRP1 leads to accumulation of anthranilates and confers resistance to Verticillium dahliae
By Fan Qin on Nov 13, 2019

Disease control Biomol - Biotechnology Cotton Genome Biotechnology JCR

Journal of Cotton Research [Background] Verticillium wilt, caused by Verticillium dahliae, is called a “cancer” disease of cotton. The discovery and identification of defense-related genes is essential for the breeding of Verticillium wilt-resistant varieties. In previous research we identified some possible broad-spectrum resistance genes. Here,...