Root phenotypic plasticity in response to P deficiency in two tall fescue cultivars

摘要：

Low soil P availability has been recognized as a key factor limiting pasture production in many soils.Changes in the partitioning of C between shoot and root ( Mollier & Pellerin, 1999) or root length per unit of root biomass are particularly important to provide a greater root‐soil contact to improve uptake of P (Gahoonia & Nielsen,2004).The objective of this work was to analyze the genotypic variability of two tall fescue cultivars of different origin in response to P deficiency.

关键词： tall fescue phosphorus Mediterranean root: shoot ratio P utilization efficiency

作者: M.G.Agnusdei M.J.Martinefsky A.Mollier S.Pellerin S.G.Assuero

作者单位: Unidad Integrada EEA INTA Balcarce-Facultad de Ciencias A grarias,Universidad Nacional de Mardel Pla NRA,UMR1220 TCEM,B P 81,33883 V illenave dOrnon Cedex,France,C.C.276,7620

会议类型: 国际会议

会议名称: 2008世界草地与草原大会

会议地点: 呼和浩特

会议语种:英文

在线出版日期: 2008-06-29（万方平台首次上网日期，不代表论文的发表时间）