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TZUNTIL:20281029T010000Z
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DTSTART:20261025T030000
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RDATE:20271031T030000
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UID:www.bayceer.uni-bayreuth.de-bayceer-t176986id
DTSTAMP:20261007T082033Z
DESCRIPTION:Improving plant nutrient acquisition will be crucial for sustai
 ning crop production while reducing fertilizer inputs in the context of gl
 obal change. Carbon compounds released by the roots into the rhizosphere\,
  the soil directly influenced by plant roots\, play a central role in nutr
 ient mobilization. Up to now it remains poorly understood how cultivars of
  major crops adjust root exudation and nutrient-acquisition in response to
  water and nutrient limitation\, and how these responses vary among soil t
 ypes and nutrient sources\, particularly organic nutrient pools.\nIn this 
 preasentation\, I will show how carbon released by roots influences plant 
 access to soil nitrogen and phosphorus. I will examine rhizosphere priming
  and microbial necromass recycling as pathways for plant nitrogen acquisit
 ion. Addtionally\, I will explore how rice genotypes access contrasting or
 ganic and inorganic P sources and how drought\, rewetting and soil texture
  affect the quantity and composition of root exudates of modern and landra
 ce maize cultivars. Methodologically\, I will introduce stable-isotope tra
 cing to quantify belowground carbon allocation and nutrient turnover\, zym
 ography to map nutrient-mobilizing enzyme activity\, and soil-based root-e
 xudate sampling to characterize exudate quantity and composition.
DTSTART;TZID=Europe/Berlin:20261029T000000
DTEND;TZID=Europe/Berlin:20261029T235959
SUMMARY:Dr. Maire Holz\, Lebniz-Zentrum für Agrarlandschaftsforschung (ZALF
 ) e.V. (Homepage): How do root traits and root-derived organic inputs regu
 late rhizosphere nutrient cycling and plant nutrient acquisition?
TRANSP:TRANSPARENT
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