QTL Mapping for Abiotic Stress

Xu, Xuewen; Gebretsadik, Kiros; Chen, Xuehao

doi:10.1007/978-3-030-88647-9_6

Cited by 1 publication

(1 citation statement)

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“…These methods are very time-consuming and costly, and therefore the development of molecular markers played a crucial role in detecting the genetic variability in crops ( Chen et al, 2022 ). Many QTLs have been detected in many crops, but their reliability and accuracy are often problematic ( Xu et al, 2022 ). By keeping this in mind, the genetic modification method has proven very useful in developing drought-tolerant cultivars ( An et al, 2015b ).…”

Section: Molecular Techniques To Enhance Drought Tolerance In Ramiementioning

confidence: 99%

Improving Drought Stress Tolerance in Ramie (Boehmeria nivea L.) Using Molecular Techniques

Rasheed

Jie²,

Nawaz³

et al. 2022

Front. Plant Sci.

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Ramie is one of the most significant fiber crops and contributes to good quality fiber. Drought stress (DS) is one of the most devastating abiotic factors which is accountable for a substantial loss in crop growth and production and disturbing sustainable crop production. DS impairs growth, plant water relation, and nutrient uptake. Ramie has evolved a series of defense responses to cope with DS. There are numerous genes regulating the drought tolerance (DT) mechanism in ramie. The morphological and physiological mechanism of DT is well-studied; however, modified methods would be more effective. The use of novel genome editing tools like clustered regularly interspaced short palindromic repeats (CRISPR) is being used to edit the recessive genes in crops to modify their function. The transgenic approaches are used to develop several drought-tolerant varieties in ramie, and further identification of tolerant genes is needed for an effective breeding plan. Quantitative trait loci (QTLs) mapping, transcription factors (TFs) and speed breeding are highly studied techniques, and these would lead to the development of drought-resilient ramie cultivars. The use of hormones in enhancing crop growth and development under water scarcity circumstances is critical; however, using different concentrations and testing genotypes in changing environments would be helpful to sort the tolerant genotypes. Since plants use various ways to counter DS, investigating mechanisms of DT in plants will lead to improved DT in ramie. This critical review summarized the recent advancements on DT in ramie using novel molecular techniques. This information would help ramie breeders to conduct research studies and develop drought tolerant ramie cultivars.

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Section: Molecular Techniques To Enhance Drought Tolerance In Ramiementioning

confidence: 99%