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Response of wheat plants under post-anthesis stress induced by defoliation: II. Contribution of peduncle morpho-anatomical traits and carbon reserves to grain yield

Authorized Users Only
2017
Authors
Dodig, Dejan
Rančić, Dragana
Vučelić-Radović, Biljana
Zorić, M.
Savić, Jasna
Kandić, Vesna
Pećinar, Ilinka
Stanojević, Sladjana
Seslija, A.
Vassilev, D.
Pekić-Quarrie, Sofija
Article (Published version)
Metadata
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Abstract
Assimilated carbon during vegetative and early reproductive growth in wheat is temporarily stored in stem internodes and leaf sheaths (LSs), and can later be remobilized and transported to developing grain. The present study was undertaken to determine the effect of several peduncle (the uppermost internode) morpho-anatomical and biochemical traits on grain weight, and to assess the contribution of the peduncle water-soluble carbohydrate (WSC) reserves shortly after anthesis to its variation. In 2-year field trials, 61 wheat genotypes were used (27 F-4:5 families, 17 parents used for the crosses and the 17 current best standards), comparing intact control plants (CP) with plants that were defoliated (DP) by cutting off all leaf blades 10 days after anthesis. Estimated contributions of peduncle (culm (C) and flag LS) assimilate reserves to grain weight/spike were from 006 to 031 and from 011 to 045 in CP and DP plants, respectively. In both CP and DP plants, a higher contribution was fr...om the LS than from the C. High peduncle reserve mobilization efficiency, a longer exposed part of the peduncle and larger C storage capacity (through higher parenchyma and/or lower lignified area) were of specific benefit for maintaining grain weight in defoliated plants. F-4:5 families had higher transport capacity in the peduncle, but without any improvement in WSC-related traits compared with the best standards.

Source:
Journal of Agricultural Science, 2017, 155, 3, 475-493
Publisher:
  • Cambridge Univ Press, New York
Funding / projects:
  • Biotechnological approaches for overcoming effects of drought on agricultural production in Serbia (RS-31005)
  • Advancing research in agricultural and food sciences at Faculty of Agriculture, University of Belgrade (EU-316004)

DOI: 10.1017/S0021859616000551

ISSN: 0021-8596

WoS: 000398488500010

Scopus: 2-s2.0-84979233673
[ Google Scholar ]
4
3
URI
http://aspace.agrif.bg.ac.rs/handle/123456789/4382
Collections
  • Radovi istraživača / Researchers’ publications
Institution/Community
Poljoprivredni fakultet
TY  - JOUR
AU  - Dodig, Dejan
AU  - Rančić, Dragana
AU  - Vučelić-Radović, Biljana
AU  - Zorić, M.
AU  - Savić, Jasna
AU  - Kandić, Vesna
AU  - Pećinar, Ilinka
AU  - Stanojević, Sladjana
AU  - Seslija, A.
AU  - Vassilev, D.
AU  - Pekić-Quarrie, Sofija
PY  - 2017
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/4382
AB  - Assimilated carbon during vegetative and early reproductive growth in wheat is temporarily stored in stem internodes and leaf sheaths (LSs), and can later be remobilized and transported to developing grain. The present study was undertaken to determine the effect of several peduncle (the uppermost internode) morpho-anatomical and biochemical traits on grain weight, and to assess the contribution of the peduncle water-soluble carbohydrate (WSC) reserves shortly after anthesis to its variation. In 2-year field trials, 61 wheat genotypes were used (27 F-4:5 families, 17 parents used for the crosses and the 17 current best standards), comparing intact control plants (CP) with plants that were defoliated (DP) by cutting off all leaf blades 10 days after anthesis. Estimated contributions of peduncle (culm (C) and flag LS) assimilate reserves to grain weight/spike were from 006 to 031 and from 011 to 045 in CP and DP plants, respectively. In both CP and DP plants, a higher contribution was from the LS than from the C. High peduncle reserve mobilization efficiency, a longer exposed part of the peduncle and larger C storage capacity (through higher parenchyma and/or lower lignified area) were of specific benefit for maintaining grain weight in defoliated plants. F-4:5 families had higher transport capacity in the peduncle, but without any improvement in WSC-related traits compared with the best standards.
PB  - Cambridge Univ Press, New York
T2  - Journal of Agricultural Science
T1  - Response of wheat plants under post-anthesis stress induced by defoliation: II. Contribution of peduncle morpho-anatomical traits and carbon reserves to grain yield
EP  - 493
IS  - 3
SP  - 475
VL  - 155
DO  - 10.1017/S0021859616000551
UR  - conv_5957
ER  - 
@article{
author = "Dodig, Dejan and Rančić, Dragana and Vučelić-Radović, Biljana and Zorić, M. and Savić, Jasna and Kandić, Vesna and Pećinar, Ilinka and Stanojević, Sladjana and Seslija, A. and Vassilev, D. and Pekić-Quarrie, Sofija",
year = "2017",
abstract = "Assimilated carbon during vegetative and early reproductive growth in wheat is temporarily stored in stem internodes and leaf sheaths (LSs), and can later be remobilized and transported to developing grain. The present study was undertaken to determine the effect of several peduncle (the uppermost internode) morpho-anatomical and biochemical traits on grain weight, and to assess the contribution of the peduncle water-soluble carbohydrate (WSC) reserves shortly after anthesis to its variation. In 2-year field trials, 61 wheat genotypes were used (27 F-4:5 families, 17 parents used for the crosses and the 17 current best standards), comparing intact control plants (CP) with plants that were defoliated (DP) by cutting off all leaf blades 10 days after anthesis. Estimated contributions of peduncle (culm (C) and flag LS) assimilate reserves to grain weight/spike were from 006 to 031 and from 011 to 045 in CP and DP plants, respectively. In both CP and DP plants, a higher contribution was from the LS than from the C. High peduncle reserve mobilization efficiency, a longer exposed part of the peduncle and larger C storage capacity (through higher parenchyma and/or lower lignified area) were of specific benefit for maintaining grain weight in defoliated plants. F-4:5 families had higher transport capacity in the peduncle, but without any improvement in WSC-related traits compared with the best standards.",
publisher = "Cambridge Univ Press, New York",
journal = "Journal of Agricultural Science",
title = "Response of wheat plants under post-anthesis stress induced by defoliation: II. Contribution of peduncle morpho-anatomical traits and carbon reserves to grain yield",
pages = "493-475",
number = "3",
volume = "155",
doi = "10.1017/S0021859616000551",
url = "conv_5957"
}
Dodig, D., Rančić, D., Vučelić-Radović, B., Zorić, M., Savić, J., Kandić, V., Pećinar, I., Stanojević, S., Seslija, A., Vassilev, D.,& Pekić-Quarrie, S.. (2017). Response of wheat plants under post-anthesis stress induced by defoliation: II. Contribution of peduncle morpho-anatomical traits and carbon reserves to grain yield. in Journal of Agricultural Science
Cambridge Univ Press, New York., 155(3), 475-493.
https://doi.org/10.1017/S0021859616000551
conv_5957
Dodig D, Rančić D, Vučelić-Radović B, Zorić M, Savić J, Kandić V, Pećinar I, Stanojević S, Seslija A, Vassilev D, Pekić-Quarrie S. Response of wheat plants under post-anthesis stress induced by defoliation: II. Contribution of peduncle morpho-anatomical traits and carbon reserves to grain yield. in Journal of Agricultural Science. 2017;155(3):475-493.
doi:10.1017/S0021859616000551
conv_5957 .
Dodig, Dejan, Rančić, Dragana, Vučelić-Radović, Biljana, Zorić, M., Savić, Jasna, Kandić, Vesna, Pećinar, Ilinka, Stanojević, Sladjana, Seslija, A., Vassilev, D., Pekić-Quarrie, Sofija, "Response of wheat plants under post-anthesis stress induced by defoliation: II. Contribution of peduncle morpho-anatomical traits and carbon reserves to grain yield" in Journal of Agricultural Science, 155, no. 3 (2017):475-493,
https://doi.org/10.1017/S0021859616000551 .,
conv_5957 .

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