Progress in the Methods of Jujube Breeding

Ahmad, Ishtiaq; Maryam,; Erċışlı, Sezai; Anjum, Muhammad Akbar; Ahmad, Riaz

doi:10.1007/s10341-022-00796-2

Cited by 5 publications

(3 citation statements)

References 30 publications

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“…A large similarity was recorded in the studied germplasm. Therefore, it is necessary to introduce higher-yielding germplasm for the broadening of the gene pool ( Ahmad et al., 2023 ). It is advocated that great effort, time, and resources might be saved without sacrificing valuable data if an indirect selection is implemented for the improvement of desired traits ( Harthi et al., 2015 ).…”

Section: Discussionmentioning

confidence: 99%

Correlation among some phenological and biochemical traits in date palm (Phoenix dactylifera L.) germplasm

et al. 2023

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Date palm is an economically important fruit crop in the arid and semi-arid regions of the world. The knowledge of genetic variation, genotype-by-traits comparison, as well as the relationship among several phenological traits is effective for developing breeding populations by choosing the best allelic combinations and employing selection approaches. Information regarding the genetic variability and inter-relationships among fruit characteristics is facilitating the plant breeders to efficiently exploit the date palm germplasm for the introduction of elite genotypes. The present study was conducted to examine genetic variation among different date palm cultivars -collected from two different research stations in Pakistan as well as the relationship among their phenological and biochemical characteristics. Biplot analysis revealed that the cultivars ‘Dhakki’, ‘Chohara’, and ‘Kupra’ possessed the highest fruit and pulp weights. Moreover, the fruits of the cultivars ‘Champa Kali’ and ‘Shakri’ had the maximum TSS (total soluble solids) and total sugar content. Similar variations were observed in the mean values of the studied phenological and biochemical characteristics as in the biplot analysis. Cluster analysis on the basis of phenological and biochemical characteristics divided 50 cultivars into seven clusters, showing differences in the studied characters. A correlation matrix revealed that pulp weight had a strong relationship with fruit weight, length, and diameter. A strong correlation also existed among antioxidant capacity, antioxidant activity, and total phenolic content. These results demonstrated a huge diversity in phenological and biochemical characteristics of date palm cultivars as well as a correlation among several characteristics of the studied germplasm, which can be exploited in future breeding programs.

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Section: Discussionmentioning

confidence: 99%

Correlation among some phenological and biochemical traits in date palm (Phoenix dactylifera L.) germplasm

et al. 2023

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“…Grafting is traditionally used in jujube propagation. To conserve its desirable horticultural traits and expedite fruit production, jujube is commonly propagated asexually by grafting [8]. Despite the long history and widespread practice of grafting in jujube cultivation, there exists a significant knowledge gap in understanding the molecular mechanisms that govern the symbiosis between rootstock and scion.…”

Section: Introductionmentioning

confidence: 99%

Complex Interplay of Metabolic Pathways in Grafting of Ziziphus Species: Transcriptomic Insights into Regulatory Networks of Carbohydrates and Secondary Metabolite Biosynthesis

Zhang,

Sheng,

Peng

et al. 2024

Forests

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Grafting serves as a pervasive methodology in the propagation of jujube plants, yet the nuanced molecular mechanisms that dictate rootstock‒scion interactions remain inadequately understood. We examined the transcriptomic landscapes of jujube heterograft combinations. Contrary to self-grafting conditions, early-stage heterografting yielded no discernible advantageous effects on scion biomass accretion. Interestingly, the rootstock’s biomass was significantly impacted by the scion, varying by species. The differentially expressed genes (DEGs) across graft combinations were mainly enriched for the vegetative growth of rootstocks, secondary metabolism, and resistance improvement of scions. Weighted gene co-expression network analysis (WGCNA) identified 27 hub genes which were negatively correlated with plant growth and biomass enlargement, serving as negative regulators, while the genes, L484_001734, ATHB-15, and BPC1, were involved in positive regulation. With biomass measurements, the transcriptomic data supported that an incomplete vascular recovery during early grafting led to nutrient accumulation at the graft junction, temporarily limiting plant growth while providing development resources for callus. In summary, our work has demonstrated that the intricate biological connections between the rootstock and scion guarantee the effective jujube grafting process by elucidating the molecular processes involved in the process.

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“…The development, characterization, and evaluation of tolerant germplasm is a recent need against abiotic stresses. However, while some traditional strategies have been adopted for the development of tolerant germplasm, they are laborious, time-consuming, and not capable of eliminating multiple stresses ( Ahmad and Anjum, 2018 ; Ahmad et al., 2023 ). Therefore, appropriate measures are being developed to fulfill the food needs of the world’s population.…”

Section: Introductionmentioning

confidence: 99%

Salicylic acid had the potential to enhance tolerance in horticultural crops against abiotic stress

et al. 2023

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Horticultural crops are greatly disturbed by severe abiotic stress conditions. This is considered one of the major threats to the healthy lives of the human population. Salicylic acid (SA) is famous as one of the multifunctional phytohormones that are widely found in plants. It is also an important bio-stimulator involved in the regulation of growth and the developmental stages of horticultural crops. The productivity of horticultural crops has been improved with the supplemental use of even small amounts of SA. It has good capability to reduce oxidative injuries that occur from the over-production of reactive oxygen species (ROS), potentially elevated photosynthesis, chlorophyll pigments, and stomatal regulation. Physiological and biochemical processes have revealed that SA enhances signaling molecules, enzymatic and non-enzymatic antioxidants, osmolytes, and secondary metabolites activities within the cell compartments of plants. Numerous genomic approaches have also explored that SA regulates transcriptions profiling, transcriptional apprehensions, genomic expression, and metabolism of stress-related genes. Many plant biologists have been working on SA and its functioning in plants; however, its involvement in the enhancement of tolerance against abiotic stress in horticultural crops is still unidentified and needs more attention. Therefore, the current review is focused on a detailed exploration of SA in physiological and biochemical processes in horticultural crops subjected to abiotic stress. The current information is comprehensive and aims to be more supportive of the development of higher-yielding germplasm against abiotic stress.

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Progress in the Methods of Jujube Breeding

Cited by 5 publications

References 30 publications

Correlation among some phenological and biochemical traits in date palm (Phoenix dactylifera L.) germplasm

Correlation among some phenological and biochemical traits in date palm (Phoenix dactylifera L.) germplasm

Complex Interplay of Metabolic Pathways in Grafting of Ziziphus Species: Transcriptomic Insights into Regulatory Networks of Carbohydrates and Secondary Metabolite Biosynthesis

Salicylic acid had the potential to enhance tolerance in horticultural crops against abiotic stress

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