Late Foliar Diseases in Wheat Crops Decrease Nitrogen Yield Through N Uptake Rather than Through Variations in N Remobilization | Zendy

MarieOdile Bancal | Zendy; Romain Roche | Zendy; Pierre Bancal | Zendy

Open Access

Late Foliar Diseases in Wheat Crops Decrease Nitrogen Yield Through N Uptake Rather than Through Variations in N Remobilization

Author(s) -

MarieOdile Bancal,

Romain Roche,

Pierre Bancal

Publication year - 2008

Publication title -

annals of botany

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.567

H-Index - 176

eISSN - 1095-8290

pISSN - 0305-7364

DOI - 10.1093/aob/mcn124

Subject(s) - biology , agronomy , anthesis , septoria , crop , mycosphaerella graminicola , yield (engineering) , fungicide , crop yield , field experiment , poaceae , cultivar , materials science , metallurgy

French wheat grains may be of little value on world markets because they have low and highly variable grain protein concentrations (GPC). This nitrogen-yield to yield ratio depends on crop nitrogen (N) fertilization as well as on crop capacity to use N, which is known to vary with climate and disease severity. Here an examination is made of the respective roles that N remobilization and post-anthesis N uptake play in N yield variations; in particular, when wheat crops (Triticum aestivum) are affected by leaf rust (Puccinia triticina) and Septoria tritici blotch (teleomorph Mycosphaerella graminicola).

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