P. K. Gupta
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View article: Pyramiding of Genes/QTL for Resistance Against Three Rusts, High Grain Protein Content and Pre‐Harvest Sprouting Tolerance in Wheat ( <scp> <i>Triticum aestivum</i> </scp> L.) Using Marker‐Assisted Selection
Pyramiding of Genes/QTL for Resistance Against Three Rusts, High Grain Protein Content and Pre‐Harvest Sprouting Tolerance in Wheat ( <span> <i>Triticum aestivum</i> </span> L.) Using Marker‐Assisted Selection Open
In bread wheat, marker‐assisted selection (MAS) was employed, utilizing two parental lines that were previously developed by us through a combination of MAS and phenotypic selection. These parents carried improved rust resistance and some …
Assessing stability in discrete-time systems impacted by interference and state delays: An approach using ISS Open
In this study, we introduce a criterion for addressing the input to state stability (ISS) problem inherent in nonlinear discrete systems featuring state delay, saturation overflow (SO), and external interference (EI). This paper proposes t…
Meta-QTL analysis and identification of candidate genes for multiple-traits associated with spot blotch resistance in bread wheat Open
In bread wheat, a literature search gave 228 QTLs for six traits, including resistance against spot blotch and the following five other related traits: (i) stay green; (ii) flag leaf senescence; (iii) green leaf area duration; (iv) green l…
View article: Sulphotransferase (SOT) genes in wheat providing tolerance against drought and heat
Sulphotransferase (SOT) genes in wheat providing tolerance against drought and heat Open
Sulphotransferase (SOT) genes that are involved in sulphonation during sulphate metabolism, represent a conserved family of genes, which provide tolerance against abiotic stresses like heat and drought in plants. In plants, sulphate metabo…
Genetics and breeding for resistance against four leaf spot diseases in wheat (Triticum aestivum L.) Open
In wheat, major yield losses are caused by a variety of diseases including rusts, spike diseases, leaf spot and root diseases. The genetics of resistance against all these diseases have been studied in great detail and utilized for breedin…
Genetics of spot blotch resistance in bread wheat (Triticum aestivum L.) using five models for GWAS Open
Genetic architecture of resistance to spot blotch in wheat was examined using a Genome-Wide Association Study (GWAS) involving an association panel comprising 303 diverse genotypes. The association panel was evaluated at two different loca…
View article: Identification and characterization of RuvBL DNA helicase genes for tolerance against abiotic stresses in bread wheat (Triticum aestivum L.)
Identification and characterization of RuvBL DNA helicase genes for tolerance against abiotic stresses in bread wheat (Triticum aestivum L.) Open
RuvBL helicase genes represent a conserved family of genes, which are known to be involved in providing tolerance against abiotic stresses like heat and drought in plants. We identified nine wheat RuvBL genes on nine different chromosomes,…
GWAS and Genomic Prediction for Pre-harvest Sprouting Tolerance in Spring Wheat Open
In wheat, a genome-wide association study (GWAS) combined with a study of genomic prediction (GP) was conducted for pre-harvest sprouting tolerance (PHST). For GWAS, a panel of 190 accessions was phenotyped for the three parameters of PHST…
View article: QTL analysis for nitrogen use efficiency in wheat (Triticum aestivum L.)
QTL analysis for nitrogen use efficiency in wheat (Triticum aestivum L.) Open
The genetic architecture of nitrogen use efficiency (NUE) and its two component traits i.e. NUpE (N uptake efficiency) and NUtE (N utilization efficiency) was studied using a bi-parental RIL mapping population derived from a cross HUW468 (…
Meta-QTLs for multiple disease resistance involving three rusts in common wheat (Triticum aestivum L.) Open
Rust diseases in wheat are a major threat to global food security, therefore, the development of multiple disease-resistant cultivars (resistant to all three rusts) is a major goal in all wheat breeding programs worldwide. In the present s…
View article: Multi-Locus GWAS for Grain Weight-Related Traits Under Rain-Fed Conditions in Common Wheat (Triticum aestivum L.)
Multi-Locus GWAS for Grain Weight-Related Traits Under Rain-Fed Conditions in Common Wheat (Triticum aestivum L.) Open
In wheat, a multi-locus genome-wide association study (ML-GWAS) was conducted for the four grain weight-related traits (days to anthesis, grain filling duration, grain number per ear, and grain weight per ear) using data recorded under irr…
Comparative Evaluation of Different Fungicides and Bio-agents for Management of Spot Blotch of Barley Caused by Bipolaris sorokiniana (Sace. Ex Sorok) Open
Among the fungicides Propiconazole, Tebuconazole, Azoxystrobin and Azxoxystrobin + Difenconazole completely inhibited the mycelia growth of pathogen at 200 ppm concentration under in-vitro condition. Among bio control agents, T. harzianum-…
SWEET genes and TAL effectors for disease resistance in plants: Present status and future prospects Open
SWEET genes encode sugar transporter proteins and often function as susceptibility (S) genes. Consequently, the recessive alleles of these SWEET genes provide resistance. This review summarizes the available literature on the molecular bas…
Meta-QTL Analysis for Stripe Rust Resistance in Wheat Open
Stripe rust caused by Puccinia striiformis f. sp. tritici Eriks. & E. Henn (Pst) is one of the most prevalent wheat diseases causing upto 70% yield losses worldwide. The present study was conducted in wheat for the first time to identify i…
Comparative profiling of epigenetic modifications among individuals living in different high and low air pollution zones: A pilot study from India Open
Epigenetic modifications act as an important bridge to regulate the complex network of gene-environment interactions. As these mechanisms determine the gene-expression patterns via regulating the transcriptomic machinery, environmental str…