Allelopathic effects of phenolic acids on seedling growth and photosynthesis in Rhododendron delavayi Franch.

Yang, Fuxin; Quan, Wenxuan; Li, C.C.; Qian, Chunrong; Tang, Fenghua; Chen, X.J.

doi:10.32615/ps.2019.045

Cited by 31 publications

(26 citation statements)

References 44 publications

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“…Furthermore, the exogenous spraying tomato plants with tested compounds greatly increased growth parameters and chlorophyll compared with the control plants (mock-treated plants) and fungicide-treated plants. In line with these results, it has recently been reported that phenolic compounds such as ferulic acid, chlorogenic acid, and protocatechuic acid significantly increased the endogenous content of photosynthetic pigments including chlorophyll a, and chlorophyll b in Rhododendron delavayi [65]. A similar study proved that those phenolic compounds and their derivatives are known for their various functions in plants, such as pigmentation, growth parameters, and resistance against plant pathogens such as fungi [48].…”

Section: Discussionsupporting

confidence: 59%

The Antifungal Activity of Gallic Acid and Its Derivatives against Alternaria solani, the Causal Agent of Tomato Early Blight

et al. 2020

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Tomato (Solanum lycopersicum L.) is among the most important vegetable crops worldwide. Early blight disease, caused by Alternaria solani, is a destructive foliar disease of tomato and other Solanaceae species. Herein, we investigated the in vitro antifungal properties of gallic acid and two of its derivatives (syringic and pyrogallic acids) against A. solani during 2019 and 2020 seasons. The physiological and biochemical effects of these compounds on infected tomato plants were also investigated using the whole plant bioassay. The in vitro investigation showed that all tested compounds showed fungistatic action and inhibited the mycelial radial growth of A. solani in a dose-dependent manner. In two separate pot-experiments, those compounds efficiently suppressed the development of the disease symptoms and area under disease progress curve (AUDPC), without any phytotoxic effects on the treated tomato plants. Additionally, all tested compounds positively enhanced the biochemical traits of treated plants including the chlorophyll content, the total soluble phenolics, the total soluble flavonoids, and the enzymatic activities of catalase, peroxidase, and polyphenol oxidase during 2019 and 2020 seasons. Moreover, the treatment with gallic acid and its derivatives significantly increased all yield components of A. solani-infected tomato plants such as the total number of flowers and fruits, and the fruit yield for each tomato plant in both experiments. Considering the fungitoxicity of phenolic acids against A. solani with no phytotoxicity on treated tomato plants, we believe that gallic acid and its derivatives might be a sustainable eco-friendly control strategy to reduce the usage of chemical fungicides partially or entirely against A. solani particularly, and fungal diseases in general.

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Section: Discussionsupporting

confidence: 59%

The Antifungal Activity of Gallic Acid and Its Derivatives against Alternaria solani, the Causal Agent of Tomato Early Blight

et al. 2020

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“…Continuous cropping obstacles in poplar have been found in response to 0X-1.0X phenolic acid concentrations. Both stomatal and nonstomatal limitation affected photosynthetic rate under phenolic acids stress (Fu et al 2019). In the present study, with the increase in the concentration of phenolic acids, the PN decreased and the Ci increased, indicating that the main cause of this phenomenon involves stomatal factors (Li et al 2018).…”

Section: Discussionsupporting

confidence: 47%

“…As a class of allelochemicals secreted by plants, phenolic acids enter the soil through roots; phenolic acids not only damage the soil environment but also reduce the Chl content (Fu et al 2019), affecting plant growth and development (Zhu et al 2018). PNmax and Φ can indicate the operation of photosynthetic apparatus (Xia et al 2014); when Φ and PNmax are high, the plant photosynthesis is in good condition.…”

Section: Discussionmentioning

confidence: 99%

Phenolic acids inhibit the photosynthetic productivity of poplar

Li¹,

Zhang²,

Li³

et al. 2020

Photosynt.

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Barriers to continuous cropping of poplar plantations are closely related to the accumulation of phenolic acids in the soil. The purpose of this study was to explore the mechanism through which phenolic acid stress affects poplar productivity. The results showed that phenolic acids had a significant inhibitory effect on the photosynthesis of poplar. The inhibition of photosynthesis due to phenolic acids occurred mainly because, during electron transfer at the PSII reaction center, the primary quinone acceptor of PSII (QA) in the oxidized state was reduced, and excess light energy was lost in the form of heat dissipation; thus, poplar productivity decreased. At low phenolic acid concentrations (0X-1.5X), the activity of the PSII reaction center was temporarily inactivated, mainly because of stomatal limiting factors. At high phenolic acid concentrations (1.5X-3.0X), the PSII reaction centers were damaged, and photoinhibition occurred, mainly because of nonstomatal limiting factors.

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“…According to Mahdavikia and Saharkhiz [26], phenolic compounds such as ellagic acid, hesperidin, sinapic acid, and trans-ferulic acid which are present in water extracts of peppermint could be responsible for reduced germination and seedling growth of tomato plants through the induction of oxidative stress. The allelopathic activity of phenolic acids has been suggested by Fu et al [27] who tested the toxic effects of various phenolic acids on Rhododendron delavayi seedlings and observed variable effects depending on the phenolic acid and the tested concentration. The allelopathic potential of Mentha crops has been also tested through the use of their essential oils against weeds.…”

Section: Physiological Parametersmentioning

confidence: 99%

“…Phenolic compounds are considered as compounds with allelopathic potential since ferulic acid, chlorogenic acid, and protocatechuic acid have been reported to decrease photosynthetic rate and/or stomatal conductance of Rhododendron delavayi Franch. seedlings grown in pots [27], while Zhou et al [32] reported that the application of leaf litter of English walnut (Juglans regia L.) and the released allelochemicals caused a reduction in stomatal conductance, transpiration, and net photosynthetic rates of spinach (Spinacia oleracea L.).…”

Section: Physiological Parametersmentioning

confidence: 99%

Allelopathic Activity of Spearmint (Mentha spicata L.) and Peppermint (Mentha × piperita L.) Reduces Yield, Growth, and Photosynthetic Rate in a Succeeding Crop of Maize (Zea mays L.)

et al. 2019

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The inclusion of species with allelopathic activity in crop rotation systems may have benefits for crop management such as weed control, but less is understood about their wider impacts on succeeding crops. The main objective of this study was to investigate the effects of two allelopathic species (spearmint and peppermint) on growth, physiological characteristics, and yield of a following maize crop. Thus, field experiments were carried out at two sites, according to a randomized complete block design, while the examined treatments were: (a) fallow–fallow–maize crop rotation system (FFM), (b) spearmint–spearmint–maize crop rotation system (SSM), and (c) peppermint–peppermint–maize crop rotation system (PPM). Our results indicated that the inclusion of spearmint or peppermint in crop rotation systems negatively affect the growth of maize plants. The highest plant height was recorded for FFM rotation system where no allelopathic species were used. At both sites and for four sampling dates, the aboveground dry biomass was also affected by the implemented crop rotation system. In particular, dry biomass was significantly lower in the PPM and SSM crop rotation systems comparing to the FFM system, whereas there were no significant differences between these two crop rotation systems. Similar to the maize biomass, the highest values of photosynthetic rate, stomatal conductance, and relative chlorophyll content were observed for the FFM rotation system. Additionally, differences in grain yield were observed among the tested crop rotation systems. Grain yield ranged from 10,200 to 13,346 kg ha−1 and from 11,773 to 14,106 kg ha−1 at site A and B, respectively, while it was reduced by 16.54–23.58% and 12.16–17.83% in the SSP and PPM rotation systems comparing to the FFM system. In conclusion, our results indicate that the inclusion of peppermint or spearmint in crop rotation may inhibit plant growth and reduce grain yield of maize as successive crop, an effect that could be attributed to the allelopathic activity of spearmint and peppermint.

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Allelopathic effects of phenolic acids on seedling growth and photosynthesis in Rhododendron delavayi Franch.

Cited by 31 publications

References 44 publications

The Antifungal Activity of Gallic Acid and Its Derivatives against Alternaria solani, the Causal Agent of Tomato Early Blight

The Antifungal Activity of Gallic Acid and Its Derivatives against Alternaria solani, the Causal Agent of Tomato Early Blight

Phenolic acids inhibit the photosynthetic productivity of poplar

Allelopathic Activity of Spearmint (Mentha spicata L.) and Peppermint (Mentha × piperita L.) Reduces Yield, Growth, and Photosynthetic Rate in a Succeeding Crop of Maize (Zea mays L.)

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