Vegetable Crops (Chili Pepper and Onion): Approaches to Improve Crop Productivity and Abiotic Stress Tolerance

Kunchge, Nandkumar; Kumar, Kiran; Firke, Prashant

doi:10.1002/9783527632930.ch37

Cited by 8 publications

(6 citation statements)

References 133 publications

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“…Adaption to new environments involves adaption to abiotic or biotic challenges (Cronin et al ., ) that can be revealed by whole‐genome analysis. Use of CWR has been suggested as a means to increase tolerance to biotic and abiotic stress and thereby improve productivity in a range of crops such as the major cereal grains, wheat (Singh et al ., ), rice (Gothandam, ), maize (Singh et al ., ), vegetables (Kunchge et al ., ; Pineda et al ., ; Wang‐Pruski and Schofield, ), grain legumes (Reddy et al ., ), sugar cane (Shrivastava and Srivastava, ), fruits (Nath et al ., ) and oil crops (Gill et al ., ; Lakhanpaul et al ., ; Palmer et al ., ; Robinson and Parkin, ; Sala et al ., ). CWRs have been used to increase tolerance to abiotic stress, such as water submergence, drought and salt, which was reviewed recently review (Mickelbart et al ., ).…”

Section: Applications Of Cwrsmentioning

confidence: 98%

Genomics of crop wild relatives: expanding the gene pool for crop improvement

Brożyńska

Furtado

Henry

2015

Plant Biotechnology Journal

332

216

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Summary Plant breeders require access to new genetic diversity to satisfy the demands of a growing human population for more food that can be produced in a variable or changing climate and to deliver the high‐quality food with nutritional and health benefits demanded by consumers. The close relatives of domesticated plants, crop wild relatives (CWRs), represent a practical gene pool for use by plant breeders. Genomics of CWR generates data that support the use of CWR to expand the genetic diversity of crop plants. Advances in DNA sequencing technology are enabling the efficient sequencing of CWR and their increased use in crop improvement. As the sequencing of genomes of major crop species is completed, attention has shifted to analysis of the wider gene pool of major crops including CWR. A combination of de novo sequencing and resequencing is required to efficiently explore useful genetic variation in CWR. Analysis of the nuclear genome, transcriptome and maternal (chloroplast and mitochondrial) genome of CWR is facilitating their use in crop improvement. Genome analysis results in discovery of useful alleles in CWR and identification of regions of the genome in which diversity has been lost in domestication bottlenecks. Targeting of high priority CWR for sequencing will maximize the contribution of genome sequencing of CWR. Coordination of global efforts to apply genomics has the potential to accelerate access to and conservation of the biodiversity essential to the sustainability of agriculture and food production.

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Section: Applications Of Cwrsmentioning

confidence: 98%

Genomics of crop wild relatives: expanding the gene pool for crop improvement

Brożyńska

Furtado

Henry

2015

Plant Biotechnology Journal

332

216

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“…An increase in onion productivity can be attributed to the adoption of wild relatives in crop modification to boost crop tolerance to biotic and abiotic stress. Interspecific hybridization in the genus Allium has created new opportunities for advancement due to the introgression of candidate genes from Allium roylei, Allium galanthum and Allium fistulosum (Scholten et al 2007;Vu et al, 2012;Kunchge et al, 2012;.…”

Section: Genetic Resources and Diversitymentioning

confidence: 99%

Onion: Breeding and Genomics

Mahajan,

Gupta

2023

isvs

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Onion is a long-cultivated vegetable crop that originated in Central Asia. Almost everywhere in the world, onions are cultivated because of their culinary, nutritional, medicinal and health benefits. Using traditional breeding methods, breeders and farmers have been working to enhance onion yield for years. While it is currently difficult to meet growing customer demand and deal with unfavorable climate conditions. Due to its biennial life cycle, cross-pollination and inbreeding depression, it has been challenging to characterize significant traits. Consequently, the recently available onion genome sequence and the use of contemporary molecular breeding techniques will help researchers to overcome those challenges and speed up the development of the onion crop.

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“…The side effects caused by the primary effects of salinity stress are; assimilate production, reduced cell expansion and membrane function, and reduced cytosolic metabolism [17]. High salinity causes water deficit around the rhizosphere and results in a high salt concentration, in terms of high Na + and Clions [18]. This phenomenon is lethal for plants [19].…”

Section: Salinity Stressmentioning

confidence: 99%

Effect of Abiotic Stress on Onion Yield: A Review

Ratnarajah

Niroash²

2021

AIT

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Onion (Allium cepa L.) is a spice crop and a valuable economic crop cultivated in a variety of environments around the world. Because of its export demand, it is extremely important in terms of foreign exchange. Drought stress, waterlogging stress, heat stress, cold stress, and salinity stress all have an impact on onion growth, production, and yield in different ways. A lack of water causes low productivity, therefore to increase onion yield, a constant supply of water is needed. Onions are particularly susceptible to salt stress. The number of bulbs per unit area, height, and fresh weight of onion bulbs, are all affected by salinity in irrigation water. It has an effect on bulbing and the quality of harvested bulbs. Waterlogging has a major effect on bulb development and yield at various growth stages. Waterlogging stress in onions may prevent moving from source to sink, lowering bulb yield. The possible flavor of onions can be affected by the surrounding climate. The bulbing response is influenced by temperature, and the degree to which it is influenced varies by variety. As the temperature increases, the number of leaves decreases. The bulb diameter, bulb weight, and bulbing index (bulb/neck diameter) all increase as the temperature rises. This review provides an in-depth description of the effect of abiotic stress on onion yield.

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Vegetable Crops (Chili Pepper and Onion): Approaches to Improve Crop Productivity and Abiotic Stress Tolerance

Cited by 8 publications

References 133 publications

Genomics of crop wild relatives: expanding the gene pool for crop improvement

Genomics of crop wild relatives: expanding the gene pool for crop improvement

Onion: Breeding and Genomics

Effect of Abiotic Stress on Onion Yield: A Review

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