Root exudates of potato onion are involved in the suppression of clubroot in a Chinese cabbage-potato onion-Chinese cabbage crop rotation

Chen, Shaocan; Zhou, Xingang; Yu, Hongjie; Wu, Fengzhi

doi:10.1007/s10658-017-1307-5

Cited by 18 publications

(10 citation statements)

References 58 publications

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“…pekinensis) with nonhost potato onion (Allium cepa var. aggregatum) decreased the incidence of clubroot disease, caused by Plasmodiophora brassicae, compared to a monoculture of Chinese cabbage [18]. Additionally, the incidence of clubroot disease decreased by 40% in Chinese cabbage planted in soil treated with root exudates from potato onion.…”

Section: Nonhost Resistancementioning

confidence: 93%

“…The reduction of soil inoculum associated with cropping of resistant crop cultivars and nonhost crops may be due, among other mechanisms, to changes in the biochemical properties of the rhizosphere soil and bulk soil owing to root exudation and secondary metabolites [18,22]. These changes may affect directly all aspects of the phenology of soilborne pathogens including spore production, survival, and germination.…”

Section: Mechanisms Of Genetic Soil Disinfestationmentioning

confidence: 99%

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Genetic Soil Disinfestation, A Conceptual Framework to Reduce Inoculum Potential of Soilborne Plant Pathogens

2019

JAHR

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Soilborne pathogens are major constraints to the production of many food and non-food crops worldwide. A wide array of strategies are employed to reduce the activities of soilborne pathogens including chemical and non-chemical methods such as solarization, fumigation, anaerobic soil disinfestation, and soil chemical treatment. This article succinctly describes these methods and proposes the concept of “genetic soil disinfestation” as an additional innovative approach for managing soilborne pathogens. Although many components of “genetic soil disinfestation” include well known and familiar tools such as crop rotation, the concept of “genetic soil disinfestation” redefines cropping systems in a unified perspective with focus on using a genetic approach to optimize the attributes of hosts and nonhosts that significantly reduce the populations of soilborne plant pathogens and the efficiency of invasiness of these pathogens.

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Section: Nonhost Resistancementioning

confidence: 93%

Section: Mechanisms Of Genetic Soil Disinfestationmentioning

confidence: 99%

Genetic Soil Disinfestation, A Conceptual Framework to Reduce Inoculum Potential of Soilborne Plant Pathogens

2019

JAHR

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“…Metagenomics approaches are being applied to explore the significance of uncultivated microbes interacting with different Allium species ( Yurgel et al, 2018 ; Knerr et al, 2018 ; Qiu et al, 2018 ; Huang, 2018 ; Matthews, Pierce & Raymond, 2019 ) . A recent study conducted by Chen et al (2018) revealed that the crop rotation of Chinese cabbage ( Brassica rapa subsp. pekinensis ) with potato onion ( A. cepa var.…”

Section: Survey Methodologymentioning

confidence: 99%

Omics approaches inAlliumresearch: Progress and way ahead

Khandagale

Krishna

Roylawar

et al. 2020

PeerJ

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Background The genus Allium (Family: Amaryllidaceae) is an economically important group of crops cultivated worldwide for their use as a vegetable and spices. Alliums are also well known for their nutraceutical properties. Among alliums, onion, garlic, leek, and chives cultivated worldwide. Despite their substantial economic and medicinal importance, the genome sequence of any of the Allium is not available, probably due to their large genome sizes. Recently evolved omics technologies are highly efficient and robust in elucidating molecular mechanisms of several complex life processes in plants. Omics technologies, such as genomics, transcriptomics, proteomics, metabolomics, metagenomics, etc. have the potential to open new avenues in research and improvement of allium crops where genome sequence information is limited. A significant amount of data has been generated using these technologies for various Allium species; it will help in understanding the key traits in Allium crops such as flowering, bulb development, flavonoid biosynthesis, male sterility and stress tolerance at molecular and metabolite level. This information will ultimately assist us in speeding up the breeding in Allium crops. Method In the present review, major omics approaches, and their progress, as well as potential applications in Allium crops, could be discussed in detail. Results Here, we have discussed the recent progress made in Allium research using omics technologies such as genomics, transcriptomics, micro RNAs, proteomics, metabolomics, and metagenomics. These omics interventions have been used in alliums for marker discovery, the study of the biotic and abiotic stress response, male sterility, organ development, flavonoid and bulb color, micro RNA discovery, and microbiome associated with Allium crops. Further, we also emphasized the integrated use of these omics platforms for a better understanding of the complex molecular mechanisms to speed up the breeding programs for better cultivars. Conclusion All the information and literature provided in the present review throws light on the progress and potential of omics platforms in the research of Allium crops. We also mentioned a few research areas in Allium crops that need to be explored using omics technologies to get more insight. Overall, alliums are an under-studied group of plants, and thus, there is tremendous scope and need for research in Allium species.

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“…The quantity and quality of root exudates depend on the plant species, the age of individual plants, and external factors, such as biotic or abiotic stress sources. Environmental factors, such as temperature, light, and soil moisture, also regulate the processes of root exudation [39]; for example, the root exudates of radish stimulate the germination of resting spores [40], while the root exudates of potato onions have an inhibitory effect on the germination of resting spores [41]. The next step should be to analyze the composition of the root exudates of previous crops and study their effect on the germination of dormant spores.…”

Section: Effects Of Rotation On the Clubroot Of Chinese Cabbagementioning

confidence: 99%

Three Preceding Crops Increased the Yield of and Inhibited Clubroot Disease in Continuously Monocropped Chinese Cabbage by Regulating the Soil Properties and Rhizosphere Microbial Community

Zhang

et al. 2022

Microorganisms

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Crop rotation can improve soil properties and is one of the important measures to prevent soil-borne diseases. This study aimed to evaluate the effects of different preceding crops on clubroot disease in Chinese cabbage and soil microorganisms, to provide a theoretical basis for the ecological control of clubroot scientifically. In this experiment, soybeans, potato onions, and wheat were used as the preceding crops and compared with the local preceding crop garlic. The growth of the Chinese cabbage, disease occurrence, soil chemical properties and changes in microbial community structure were determined by using quantitative real-time polymerase chain reaction (PCR), soil microbial high-throughput sequencing and other methods. The results showed that the rotation of potato onion and wheat with Chinese cabbage could reduce the clubroot disease index of Chinese cabbage remarkably. Through Illumina Miseq sequencing, when three previous crops were harvested, the abundance and diversity of the bacteria increased obviously, while the fungi decreased. The relative abundance of the phylum Proteobacteria and Firmicutes was strikingly reduced, while that of Chloroflexi was significantly increased. These results show that three previous crops changed the structure of soil microorganisms, reduced the clubroot disease of Chinese cabbage, promoted growth, and suppressed disease. The ranked effect on promoting growth and inhibiting diseases was potato onion > wheat > soybean.

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Root exudates of potato onion are involved in the suppression of clubroot in a Chinese cabbage-potato onion-Chinese cabbage crop rotation

Cited by 18 publications

References 58 publications

Genetic Soil Disinfestation, A Conceptual Framework to Reduce Inoculum Potential of Soilborne Plant Pathogens

Genetic Soil Disinfestation, A Conceptual Framework to Reduce Inoculum Potential of Soilborne Plant Pathogens

Omics approaches inAlliumresearch: Progress and way ahead

Three Preceding Crops Increased the Yield of and Inhibited Clubroot Disease in Continuously Monocropped Chinese Cabbage by Regulating the Soil Properties and Rhizosphere Microbial Community

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