Smoke-saturated Water and Karrikinolide Modulate Germination, Growth, Photosynthesis and Nutritional Values of Carrot (Daucus carota L.)

Akeel, Arshiya; Khan, M. Masroor A.; Jaleel, Hassan; Uddin, Moin

doi:10.1007/s00344-019-09941-w

Cited by 27 publications

(21 citation statements)

References 58 publications

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“…Experiments with carrots indicate the considerable potential of KAR 1 utilization for root yield quantity and quality enhancement. The carrot roots grown from KAR 1 presoaked seeds were bigger, heavier, and contained more pigments than control plants [73].…”

Section: Effects Of Karrikins On the Crops' Growth And Developmentmentioning

confidence: 85%

“…KARs stimulate chlorophyll concentration in Arabidopsis, tef, and carrot [21,54,73]. KARs not only influence the chlorophyll content, but also enhance net photosynthesis rate, probably as a result of increased stomatal conductance and higher intercellular CO 2 concentration, which was found in KAR 1 treated carrot plants [73]. However, foliar application of KAR 1 on amaranth caused a reduction in chlorophylls content [74].…”

Section: Effects Of Karrikins On the Crops' Growth And Developmentmentioning

confidence: 96%

“…Kai2 mutant of Arabidopsis has lower anthocyanin content as a result of transcription misregulation of the anthocyanin biosynthesis pathway [71]. Ascorbic acid and β-carotene content were increased in carrot roots grown from KAR 1 primed seeds [73]. The content of tashinone I, pharmacologically active terpenoid, was significantly increased in hairy roots of Salvia miltiorrhiza by a signaling pathway involving nitric oxide and jasmonic acid [75].…”

Section: Effects Of Karrikins On the Crops' Growth And Developmentmentioning

confidence: 99%

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Potential of Karrikins as Novel Plant Growth Regulators in Agriculture

Antala

Sytar

Rastogi

et al. 2019

Plants

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Karrikins (KARs) have been identified as molecules derived from plant material smoke, which have the capacity to enhance seed germination for a wide range of plant species. However, KARs were observed to not only impact seed germination but also observed to influence several biological processes. The plants defected in the KARs signaling pathway were observed to grow differently with several morphological changes. The observation of KARs as a growth regulator in plants leads to the search for an endogenous KAR-like molecule. Due to its simple genomic structure, Arabidopsis (Arabidopsis thaliana L.) helps to understand the signaling mechanism of KARs and phenotypic responses caused by them. However, different species have a different phenotypic response to KARs treatment. Therefore, in the current work, updated information about the KARs effect is presented. Results of research on agricultural and horticultural crops are summarized and compared with the findings of Arabidopsis studies. In this article, we suggested that KARs may be more important in coping with modern problems than one could imagine.

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Section: Effects Of Karrikins On the Crops' Growth And Developmentmentioning

confidence: 85%

Section: Effects Of Karrikins On the Crops' Growth And Developmentmentioning

confidence: 96%

Section: Effects Of Karrikins On the Crops' Growth And Developmentmentioning

confidence: 99%

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Potential of Karrikins as Novel Plant Growth Regulators in Agriculture

Antala

Sytar

Rastogi

et al. 2019

Plants

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“…In particular, Karrikins promote plant development and germination because they function similar to the plant hormone strigolactone (Andreo-Jimenez et al, 2015). Karrikins also improve net photosynthesis rate and chlorophyll content in carrots as a result of increased stomatal conductance and high intercellular CO 2 concentrations (Akeel et al, 2019). Therefore, the Karrikin genes upregulated by eCO 2 may promote fennel growth.…”

Section: B a Figurementioning

confidence: 99%

Elevated CO2 concentration induces changes in plant growth, transcriptome, and antioxidant activity in fennel (Foeniculum vulgare Mill.)

Lee

Byeon

et al. 2022

Front. Plant Sci.

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IntroductionFennel (Foeniculum vulgare Mill.) is widely used to produce natural bio-materials. Elevated CO2 (eCO2) concentrations in the atmosphere improve the net photosynthesis of plants.MethodsThe aim of the present study was to investigate distinct changes in fennel growth characteristics and phytonutrient contents under different CO2 concentrations. The effects of 400 and 800 ppm concentrations on plant growth and antioxidant activity were observed under hydroponics.Results and DiscussionPlant growth was improved by eCO2 concentrations. We also observed diverse changes in nutrient solution (pH, electrical conductivity, and dissolved oxygen) and environmental factors (temperature and humidity) in greenhouse under light or dark conditions. Electrical conductivity increased under dark and eCO2 conditions, whereas the pH decreased. Additionally, we performed transcriptome analysis and identified CO2-responsive differentially expressed genes. In the 800 ppm group, genes involved in photosynthesis and Karrikin response were upregulated whereas those involved in syncytium formation were downregulated. Four upregulated differentially expressed genes involved in flavonoid biosynthesis and total flavonoid content were relatively increased under the 800 ppm CO2 condition. In contrast, antioxidant activity, including total phenolic content, scavenging activity, ferric ion reducing antioxidant power, and reducing power were decreased in fennel under relatively high eCO2 concentrations. Moreover, different light intensities of 12 or 24 lx did not affect the growth and antioxidant activity of fennel, suggesting eCO2 has a stronger effect on plant improvement than light intensity. The results of the present study enhance our understanding of the positive effects of CO2 on the growth and antioxidant activity of fennel.

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“…Smoke solution enhanced gaseous exchange, photochemical activities, and CO 2 fixation which induced an increase in photosynthesis. An enhancement of maximum quantum efficiency, stomatal conductance, intercellular CO 2 Concentration, and net photosynthesis was recorded in carrot [ 122 ]. These observations further prove that plant-derived smoke and smoke-derived compounds hold promising use in crop improvement in terms of photosynthetic products.…”

Section: Physiological Responses Of Plant To a Plant-derived Smokementioning

confidence: 99%

Plant-Derived Smoke Affects Biochemical Mechanism on Plant Growth and Seed Germination

Khatoon

Rehman

Aslam

et al. 2020

IJMS

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The role of plant-derived smoke, which is changed in mineral-nutrient status, in enhancing germination and post-germination was effectively established. The majority of plant species positively respond to plant-derived smoke in the enhancement of seed germination and plant growth. The stimulatory effect of plant-derived smoke on normally growing and stressed plants may help to reduce economic and human resources, which validates its candidature as a biostimulant. Plant-derived smoke potentially facilitates the early harvest and increases crop productivity. Karrikins and cyanohydrin are the active compound in plant-derived smoke. In this review, data from the latest research explaining the effect of plant-derived smoke on morphological, physiological, biochemical, and molecular responses of plants are presented. The pathway for reception and interaction of compounds of plant-derived smoke at the cellular and molecular level of plant is described and discussed.

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Smoke-saturated Water and Karrikinolide Modulate Germination, Growth, Photosynthesis and Nutritional Values of Carrot (Daucus carota L.)

Cited by 27 publications

References 58 publications

Potential of Karrikins as Novel Plant Growth Regulators in Agriculture

Potential of Karrikins as Novel Plant Growth Regulators in Agriculture

Elevated CO2 concentration induces changes in plant growth, transcriptome, and antioxidant activity in fennel (Foeniculum vulgare Mill.)

Plant-Derived Smoke Affects Biochemical Mechanism on Plant Growth and Seed Germination

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