Maize gwas heat tolerance

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Web21 nov. 2016 · Husk diversity and heritability. The association population in this study consist of a global collection of 508 diverse maize inbred lines and have been successfully used to dissect the genetic basis of several complex traits, including beta-carotene [], oil content [], flowering time [] and drought tolerance [].The field trial was conducted in two … Web4 mrt. 2024 · Background: Heat tolerance is becoming increasingly important where maize is grown under spring season in India which coincide with grain filling stage of …

Positive response of maize husk traits for improving heat tolerance ...

Web17 nov. 2024 · Abstract. Climate change is expected to aggravate the effects of drought, heat and combined drought and heat stresses. An important step in developing 'climate … Web17 feb. 2024 · Drought tolerance. Drought tolerance (DT) is one of the most complex quantitative traits in crop plants to study, characterize, and improve. The genetics of drought tolerance in maize has been extensively undertaken over the last three decades, especially for traits such as grain yield, and secondary traits, such as anthesis-silking interval (ASI), … barossa bike tour

Genomic regions associated with heat stress tolerance in tropical …

Web4 dec. 2024 · The bread wheat genotypes included 95 drought and heat tolerant genotypes initially acquired from the International Maize and Wheat Improvement Center … Web22 okt. 2024 · Key message A key genomic region was identified for resistance to FSR at 168 Mb on chromosome 6 in GWAS and haplotype regression analysis, which was validated by QTL mapping in two populations. Abstract Fusarium stalk rot (FSR) of maize is an economically important post-flowering stalk rot (PFSR) disease caused by Fusarium … Webfore, breeding for heat tolerance in maize is crucial for sus- ... GWAS analysis have been reported in maize for flowering time [ 22], kernel shape, 100 seed weight [ 23], kernel quality [ 24], func- suzuki s-cross awd 2015

Genome-wide association study (GWAS) reveals genetic basis of …

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WebIn total, GWAS identified 83 genetic variants, resolved to 42 can- didate genes that contribute to 55.2% natural variation of drought tolerance in maize seedlings ( Fig. 1 … WebTherefore, maize husk traits as a potential approach to adapt to global warming could be considered in breeding and selecting heat-tolerant varieties. Download : Download high-res image (390KB) Download : Download full-size image; Fig. 10. A model showing the response of maize husk traits between different sensitive genotypes under heat stress. suzuki s cross automaticWeb17 nov. 2024 · An important step in developing 'climate smart' maize varieties is to identify germplasm with good levels of tolerance to the abiotic stresses. The primary objective of this study was to identify landraces with combined high yield potential and desirable secondary traits under drought, heat and combined drought and heat stresses. suzuki s-cross allgrip

"Web10 apr. 2024 · The projected rise in global ambient temperature by 3–5 °C by the end of this century, along with unpredicted heat waves during critical crop growth … " - Maize gwas heat tolerance

Maize gwas heat tolerance

Genome wide association mapping for heat tolerance in sub-tropical maize

Web3 dec. 2024 · In addition, Wang et al. performed GWAS analysis of 688 diverse winter wheat accessions on thousand-grain weight and stress susceptibility index in response to heat stress using 90 K array, and revealed that terminal heat stress tolerance is not improved concurrently with grain weight during wheat breeding programs during recent decades, … WebMaize production is threatened by drought stress worldwide. Identification of the genetic components underlying drought tolerance in maize is of great importance. Here we report a genome-wide...

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Web4 mrt. 2024 · Heat tolerance is becoming increasingly important where maize is grown under spring season in India which coincide with grain filling stage of crop resulting in tassel blast, reduced pollen viability, pollination failure and barren ears that causes … Web24 sep. 2024 · Our results indicate that thermotolerance of maize seed-set is regulated by multiple genes each of which has minor effects, with calcium signaling playing a …

WebMaize seedling growth slows down considerably when the temperature falls below 10°C, and it ceases at temperatures between 6 and 8°C ( Peng et al., 2016 ). The cells and tissues of the seedling can be irreversibly damaged at lower temperatures. Web25 aug. 2024 · In this study, a panel of 285 diverse maize inbred lines genotyped with 56,000 SNPs was used to investigate the genetic basis of leaf angle across 3 consecutive years using a genome-wide association study (GWAS). The leaf angle showed broad phenotypic variation and high heritability across different years.

Web2 jul. 2024 · An association mapping panel, called the heat tolerant association mapping (HTAM) panel, was constituted by involving a total of 543 tropical maize inbred lines … Web4 dec. 2024 · The bread wheat genotypes included 95 drought and heat tolerant genotypes initially acquired from the International Maize and Wheat Improvement Center (CIMMYT). These genotypes were purposefully selected for their genetic divergence and breeding history for drought tolerance.

Web15 dec. 2024 · GWAS has been used to identify allelic variants that allow improved tolerance to various biotic and abiotic stresses in maize.

Web29 apr. 2024 · The overall required temperature range for early maize seedling growth is 30–35°C, and the optimal temperature is around 20°C ( Khaeim et al., 2024 ), 4–6°C … barossa best lunchWeb7 mei 2024 · In maize, GWAS has made a significant progress in the past decade. For example, Li et al. 14 used GWAS to dissect the genetic architecture of oil biosynthesis in … barossa brakes and suspensionWeb22 okt. 2024 · Heat stress (>40°C) reduced plant height in 20 maize genotypes in the field ( Debnath et al., 2016 ), with the most heat-tolerant genotype (DTPYC9F119) declining … suzuki s cross áraWeb2 jul. 2024 · An association mapping panel, called the heat tolerant association mapping (HTAM) panel, was constituted by involving a total of 543 tropical maize inbred lines … barossa bowland tanundaWeb4 nov. 2024 · In maize, double and triple stress responses are obtaining more attention, such as simultaneous drought and heat or heavy metal exposure, or drought in … suzuki s cross brochureWeb24 sep. 2024 · Drought adversely affects crop growth, development and yield. This study assessed genetic variation in a panel of wheat lines to water deficit and identified the QTLs governing this relationship via GWAS. A panel of 290 lines of the Wheat Association Mapping Initiative (WAMI) population were evaluated under well-irrigated and drought … barossa burgundy genesisWeb29 apr. 2024 · GWAS on biotic stress tolerance in maize. GWAS is generating molecular markers that have been broadly utilized for the indirect selection of traits like resistance … barossa burgundy matte