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Root Exudation: An In‐Depth Experimental Guide
Plant, Cell & EnvironmentABSTRACTPlants exude a wide variety of compounds into the rhizosphere, modulating soil functioning and diversity. The number of studies investigating exudation has exponentially increased over the past decades. Yet, the high inter‐study variability of the results is slowing down our understanding of root–soil interactions.
Sarah McLaughlin +5 more
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2002
Root exudation is an important ecological phenomenon which can manipulate plant and microbial succession. Under sterile conditions only 5–10% of the fixed carbon is released by roots compared to 12–% released from roots in nonsterile soil and the increase is attributed to rhizosphere microflora. There is more exudation by symbiotic plants.
Rajni Gupta, K. G. Mukerji
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Root exudation is an important ecological phenomenon which can manipulate plant and microbial succession. Under sterile conditions only 5–10% of the fixed carbon is released by roots compared to 12–% released from roots in nonsterile soil and the increase is attributed to rhizosphere microflora. There is more exudation by symbiotic plants.
Rajni Gupta, K. G. Mukerji
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Chemotaxis of Zoospores for Root Exudates
Science, 1961A chemotactic response of the zoospores of a soil-inhabiting plant pathogenic fungus, Phytophthora cinnamomi, for roots of avocado seedlings was observed. The chemotaxis of the zoospores and chemotropy of their germ tubes were directly related to infection and disease production.
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Methods for Root Exudate Collection and Analysis
2020Plant root exudation has long been recognized as a vital communication system between plants and microbial communities populating the rhizosphere. Due to the high complexity of the collection process and analysis, a variety of techniques have been developed to mimic natural exudation conditions.
Hugo A, Pantigoso +3 more
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Effects of root exudate sorgoleone on photosynthesis
Journal of Chemical Ecology, 1993The aim of this investigation was to determine if sorgoleone (SGL), ap-benzoquinone inSorghum bicolor root exudate, is a photosynthesis inhibitor. Assays usingGlycine max leaf disks showed concentrations as low as 10μM SGL inhibited oxygen evolution more than 50%.
F A, Einhellig +3 more
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Root Communication: The Role of Root Exudates
2004Plants communicate with neighboring plants and other organisms surrounding them. Aboveground communication isarticulatedthroughstems,leaves,orflowerswhilebelow-groundcommunication ismediated by roots.
B. Prithiviraj +2 more
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Root Exudates Impact on Phenanthrene Availability
Water, Air, & Soil Pollution: Focus, 2006In order to improve and optimize phytoremediation of PAH we propose to focus on the rhizospheric processes controlling PAH degradation. In this paper the effect of root exudates on PAH availability is studied. Model organic compounds (malic acid, malonic acid and EDTA) representing root exudates have been tested for their effect on phenanthrene ...
Ouvrard, Stéphanie +2 more
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The Botanical Review, 1969
Although the quantities of organic compounds exuding from roots is not large, seldom exceeding 0.4% of the carbon photosynthesized, they do exert a very strong influence on the soil microorganisms and may be significant in affecting plant nutrient availability.
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Although the quantities of organic compounds exuding from roots is not large, seldom exceeding 0.4% of the carbon photosynthesized, they do exert a very strong influence on the soil microorganisms and may be significant in affecting plant nutrient availability.
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Exudation of terpenoids by cotton roots
Plant and Soil, 1978The terpenoid aldehydes, desoxyhemigossypol, desoxy-6-methoxyhemigossypol, hemigossypol, 6-methoxyhemigossypol, gossypol, 6-methoxygossypol, and 6,6′-dimethoxygossypol, previously reported to be present in cotton roots (Gossypium hivsutum L.) were found on absorbing surfaces adjacent to roots.
R. E. Hunter +3 more
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Root-secreted proteins: an underexplored component of root exudates
Trends in Plant ScienceProteins are integral components of root exudates that mediate plant-microbe interactions, nutrient mobilization, and stress responses. Despite their importance, our understanding of their composition, regulation, and function is limited. Here, we summarize recent advances on root-exuded proteins, highlight pivotal outstanding questions, and propose ...
Gaurav Pal +2 more
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