Variability for Nitrogen Management in Genetically-Distant Maize (Zea mays L.) Lines: Impact of Post-Silking Nitrogen Limiting Conditions
| العنوان: | Variability for Nitrogen Management in Genetically-Distant Maize (Zea mays L.) Lines: Impact of Post-Silking Nitrogen Limiting Conditions |
|---|---|
| المؤلفون: | Céline Dargel-Graffin, Isabelle Quilleré, Peter J. Lea, Bertrand Hirel |
| المساهمون: | Institut Jean-Pierre Bourgin (IJPB), Institut National de la Recherche Agronomique (INRA)-AgroParisTech, Lancaster University, Université Paris Saclay (COmUE), Lancaster Environment Centre, Hirel, Bertrand |
| المصدر: | Agronomy, Vol 8, Iss 12, p 309 (2018) Agronomy Agronomy, MDPI, 2018 Volume 8 Issue 12 Agronomy, MDPI, 2018, 8, pp.1-12. ⟨10.3390/agronomy8120309⟩ Agronomy (8), 1-12. (2018) |
| بيانات النشر: | MDPI AG, 2018. |
| سنة النشر: | 2018 |
| مصطلحات موضوعية: | [SDV]Life Sciences [q-bio], chemistry.chemical_element, Biology, silking, maize, nitrogen, lcsh:Agriculture, N-15-labeling, 03 medical and health sciences, Human fertilization, [SDV.IDA]Life Sciences [q-bio]/Food engineering, Genetic variation, [SDV.BV]Life Sciences [q-bio]/Vegetal Biology, [SPI.GPROC]Engineering Sciences [physics]/Chemical and Process Engineering, Genetic variability, genetic diversity, remobilization, uptake, ComputingMilieux_MISCELLANEOUS, 030304 developmental biology, 2. Zero hunger, 0303 health sciences, Genetic diversity, Crop yield, fungi, lcsh:S, food and beverages, 04 agricultural and veterinary sciences, Nitrogen, [SDV.BV.AP]Life Sciences [q-bio]/Vegetal Biology/Plant breeding, chemistry, Agronomy, Shoot, 15N-labeling, 040103 agronomy & agriculture, 0401 agriculture, forestry, and fisheries, Agronomy and Crop Science, Plant nutrition |
| الوصف: | International audience; The impact of nitrogen (N)-limiting conditions after silking on kernel yield (KY)-related traits and whole plant N management was investigated using fifteen maize lines representative of plant genetic diversity in Europe and America. A large level of genetic variability of these traits was observed in the different lines when post-silking fertilization of N was strongly reduced. Under such N-fertilization conditions, four different groups of lines were identified on the basis of KY and kernel N content. Although the pattern of N management, including N uptake and N use was variable in the four groups of lines, a number of them were able to maintain both a high yield and a high kernel N content by increasing shoot N remobilization. No obvious relationship between the genetic background of the lines and their mode of N management was found. When N was limiting after silking, N remobilization appeared to be a good predictive marker for identifying maize lines that were able to maintain a high yield and a high kernel N content irrespective of their female flowering date. The use of N remobilization as a trait to select maize genotypes adapted to low N input is discussed. |
| وصف الملف: | application/pdf |
| اللغة: | English |
| تدمد: | 2073-4395 |
| الوصول الحر: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fae708244d79392a74f07b251fa5bb26Test https://www.mdpi.com/2073-4395/8/12/309Test |
| حقوق: | OPEN |
| رقم الانضمام: | edsair.doi.dedup.....fae708244d79392a74f07b251fa5bb26 |
| قاعدة البيانات: | OpenAIRE |
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