Allelopathy: The Chemical Language of Plants

Macı́as, Francisco A.; Durán, Alexandra G.; Molinillo, José M. G.

doi:10.1007/978-3-030-52966-6_1

Cited by 22 publications

(12 citation statements)

References 214 publications

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“…Among major bacterial diseases, bacterial wilt caused by R. solanacearum is most devastating in tobacco. It has been reported that allelochemicals play important roles in promoting the incidence of TBW through rhizosphere ecology, nutrient acquisition, and plant-microbe interactions 19 . In the present study, eleven phenolic metabolites of BA, PTA, PHA, PHBA, VA, VN, POBA, DTBP, DBP, DIBP and DIOP were identified from continuous monoculture soil, and with the extension of continuous cropping year, the contents of these phenolic metabolites significantly increased (Table 1).…”

Section: Discussionmentioning

confidence: 99%

“…Many studies have proven that these eleven phenolic metabolites are allelochemicals showing phytotoxic activities against plants 19,[21][22][23][24][25][26][27][28][29] , and different concentrations of allelochemicals have different effects on microbial growth 30 . Our results revealed that more than half of the identified PAs promoted the growth of R. solanacearum 1-1 at low concentration while showed inhibition effects at high concentration (Table 2), this was consistent with the findings of Li 5 , who found that with the increasing concentration of BA and cinnamic acid, the cell densities of R. solanacearum first increased and then decreased.…”

Section: Discussionmentioning

confidence: 99%

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Mitigation of tobacco bacteria wilt with microbial degradation of phenolic allelochemicals

Chang

Wang

Sun

et al. 2022

Sci Rep

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Long-term continuous monoculture cropping of tobacco leads to high incidence of tobacco bacterial wilt (TBW) caused by Ralstonia solanacearum, which threatening world tobacco production and causing great economy loss. In this study, a safe and effective way to control TBW by microbial degradation of phenolic allelochemicals (PAs) was explored. Eleven kinds of PAs were identified from continuous tobacco cropping soil. These PAs exhibited various effects on the growth, chemotaxis and biofilm formation of R. solanacearum. Then we isolated eight strains of Bacillus, one strain of Brucella, one strain of Enterobacter and one strain of Stenotrophomonas capable of degrading these PAs. The results of degradation assay showed that these isolated strains could degrade PAs both in culture solutions and soil. Besides, the incidence of TBW caused by R. solanacearum and deteriorated by PAs were significantly decreased by treating with these degrading strains. Furthermore, six out of eleven isolated strains were combined to degrade all the identified PAs and ultimately sharply reduced the incidence of TBW by 61.44% in pot experiment. In addition, the combined degrading bacteria could promote the plant growth and defense response. This study will provide a promising strategy for TBW control in tobacco production.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Mitigation of tobacco bacteria wilt with microbial degradation of phenolic allelochemicals

Chang

Wang

Sun

et al. 2022

Sci Rep

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“…Likewise, the residues of T. portulacastrum considerably diminished the sesame seed germination [25]. Melilotus indica showed a strong allelopathic effect on crop plants' germination and growth of seedlings due to the presence of various secondary metabolic compounds [28].Many other allelochemicals such as ferulic acid, chlorogenic acid, vanillic acid, 4-hydroxy-3-methoxy benzoic acid, gallic acid, caffeic acid, and p-coumaric acid have been reported to cause reticence of germination and as well as early growth [29]. The inhibitory phytotoxic effect of leaf, stem, fruit, and root extracts of T. portulacastrum may be owing to the failure of water absorption and hindrance of germination of seeds [30].…”

Section: Formation Of Aqueous Extractmentioning

confidence: 99%

Allelopathic assessment ofTrianthema portulacastrum L.against germination and early growth of weeds in wheat

Hassan¹

2023

PAB

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Weeds are one of the key threats to the natural and agricultural fields. Weeds pose severe losses in agricultural yield by procuring nutrients and releasing secondary metabolites. Therefore, weed management is crucial for securing quantity and quality of yield. Various strategies that are most commonly employed to weed control are mechanical, physical, chemical, and cultural. However, the best method to eradicate weeds is a biological approach. The herbicidal potential of plants that can produce allelochemicals is considered a major source of biological control.In crops, weed control through allelopathy is a beneficial and environment-friendly alternativeto traditional herbicides.The object of this study is to explore the allelopathic impact of Trianthema portulacastrum against the growth of weeds (Asphodelus tenuifolius and Convolvulusarvensis and wheat(Triticum aestivum). The experimentwas performed in the petri-plates to explore the effect of various concentrations (30%, 60%, and 100%) of root and shoot of T. portulacastrum and herbicide (Metafin Super 28.6% WDG) along with control (distilled water)on the seed germination and growth of the weeds and wheat. To meet up the objectives, various parameters (such as seed germination, root length, shoot length, and seedling dry weight)of tested species were estimated. Our results revealed that water extracts of T. portulacastrum significantly reducedthe growth parameterspossibility due to interference with various growth metabolic processes. We conclude thatwater extract of root and shootof T. portulacastrumcould be safer and more beneficial to minimize the weeds competition in the wheat field.

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“…Allelopathy is an ecological event where a plant indirectly has a negative or positive influence on other plants around it through the release of chemical compounds [8,9]. Allelopathy from plants can occur in several ways including evaporation, leaching, the release of exudate through roots, and decomposition of plant residues [10].…”

Section: Introductionmentioning

confidence: 99%

Allelochemical of Archidendron jiringa Pods and Sorghum bicolor Biomass Extracts Combined with a Premixed Formulation of Atrazine and Mesotrione

Simarmata

Siahaan²,

Prasetyo

et al. 2023

Curr. Appl. Sci. Technol.

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The aim of this research was to evaluate the allelochemicals in jering pods and sorghum biomass extracts combined with premixed formulations of the herbicides, atrazine and mesotrione. The research was conducted in the laboratory and experimental field of the Department of Agronomy, University of Bengkulu, Indonesia, from December 2019 to July 2020. The allelochemicals in jering pods and sorghum biomass extracts and their combination with the herbicides were tested on seed germination, and weed control was tested on corn grown in polybags. The results showed that aqueous extracts of jering pods and sorghum biomass combined with the herbicide mixtures of atrazine and mesotrione did not inhibit the seed germination of corn but suppressed the length and the weight of the radicles and plumules. The study of the efficacy of jering pods and sorghum biomass extracts on the weeds (total of grasses and broadleaves) revealed that the two agents, when applied separately, suppressed weed biomass by 27 and 32%, respectively. When the two extracts were combined, their combined efficacy increased to 56%. Furthermore, the plant height, stem diameter, and corn stover weight increased with the allelochemicals and herbicide treatments. The cobs yield per plant increased from 19 to 22% with the separate application of the allelochemicals found in the jering pods and sorghum biomass, respectively, and from 27 to 34% when the allelochemicals were combined with the herbicides. This research provided a novel approach using the allelochemical extracts from jering pods and sorghum biomass as natural herbicides for weed control.

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Allelopathy: The Chemical Language of Plants

Cited by 22 publications

References 214 publications

Mitigation of tobacco bacteria wilt with microbial degradation of phenolic allelochemicals

Mitigation of tobacco bacteria wilt with microbial degradation of phenolic allelochemicals

Allelopathic assessment ofTrianthema portulacastrum L.against germination and early growth of weeds in wheat

Allelochemical of Archidendron jiringa Pods and Sorghum bicolor Biomass Extracts Combined with a Premixed Formulation of Atrazine and Mesotrione

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