Responses of wheat plants under post-anthesis stress induced by defoliation: i. Contribution of agro-physiological traits to grain yield
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2016
Authors
Dodig, DejanSavić, Jasna
Kandić, Vesna
Zorić, Miroslav
Vučelić-Radović, Biljana
Popović, Aleksandra
Quarrie, Steve
Article (Published version)
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When water stress develops post-anthesis, wheat (Triticum aestivum L.) plants have to rely increasingly on remobilization of previously stored assimilates to maintain grain filling. In two-year field trials, we studied more than 20 agronomic and developmental traits in 61 wheat genotypes (27 F4:5 families, 17 parents used for the crosses and 17 standards), comparing plants that were defoliated (DP) by cutting off all leaf blades 10 days after anthesis with intact control plants (CP). Estimated contributions of stem and sheath assimilate reserves to grain weight/spike were from 10-54% and from 24-84% in CP and DP plants, respectively. Stem-related traits were among key traits determining stem reserve contribution (SRC). The most important genetic variables in differentiating genotypes for stress tolerance were biomass/stem, stem reserves mobilization efficiency and grain filling rate (GFR). Balance among traits related to yield maintenance in DP were more important than their high value...s. In general F4: 5 families (FAM), that had been crossed to combine typical breeding traits such as biomass and yield components, showed better tolerance under moderate stress than standards and parents.
Source:
Experimental Agriculture, 2016, 52, 2, 203-223Publisher:
- Cambridge Univ Press, New York
Funding / projects:
- Biotechnological approaches for overcoming effects of drought on agricultural production in Serbia (RS-MESTD-Technological Development (TD or TR)-31005)
DOI: 10.1017/S0014479715000034
ISSN: 0014-4797
WoS: 000378152200004
Scopus: 2-s2.0-84923278136
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Poljoprivredni fakultetTY - JOUR AU - Dodig, Dejan AU - Savić, Jasna AU - Kandić, Vesna AU - Zorić, Miroslav AU - Vučelić-Radović, Biljana AU - Popović, Aleksandra AU - Quarrie, Steve PY - 2016 UR - http://aspace.agrif.bg.ac.rs/handle/123456789/4178 AB - When water stress develops post-anthesis, wheat (Triticum aestivum L.) plants have to rely increasingly on remobilization of previously stored assimilates to maintain grain filling. In two-year field trials, we studied more than 20 agronomic and developmental traits in 61 wheat genotypes (27 F4:5 families, 17 parents used for the crosses and 17 standards), comparing plants that were defoliated (DP) by cutting off all leaf blades 10 days after anthesis with intact control plants (CP). Estimated contributions of stem and sheath assimilate reserves to grain weight/spike were from 10-54% and from 24-84% in CP and DP plants, respectively. Stem-related traits were among key traits determining stem reserve contribution (SRC). The most important genetic variables in differentiating genotypes for stress tolerance were biomass/stem, stem reserves mobilization efficiency and grain filling rate (GFR). Balance among traits related to yield maintenance in DP were more important than their high values. In general F4: 5 families (FAM), that had been crossed to combine typical breeding traits such as biomass and yield components, showed better tolerance under moderate stress than standards and parents. PB - Cambridge Univ Press, New York T2 - Experimental Agriculture T1 - Responses of wheat plants under post-anthesis stress induced by defoliation: i. Contribution of agro-physiological traits to grain yield EP - 223 IS - 2 SP - 203 VL - 52 DO - 10.1017/S0014479715000034 ER -
@article{ author = "Dodig, Dejan and Savić, Jasna and Kandić, Vesna and Zorić, Miroslav and Vučelić-Radović, Biljana and Popović, Aleksandra and Quarrie, Steve", year = "2016", abstract = "When water stress develops post-anthesis, wheat (Triticum aestivum L.) plants have to rely increasingly on remobilization of previously stored assimilates to maintain grain filling. In two-year field trials, we studied more than 20 agronomic and developmental traits in 61 wheat genotypes (27 F4:5 families, 17 parents used for the crosses and 17 standards), comparing plants that were defoliated (DP) by cutting off all leaf blades 10 days after anthesis with intact control plants (CP). Estimated contributions of stem and sheath assimilate reserves to grain weight/spike were from 10-54% and from 24-84% in CP and DP plants, respectively. Stem-related traits were among key traits determining stem reserve contribution (SRC). The most important genetic variables in differentiating genotypes for stress tolerance were biomass/stem, stem reserves mobilization efficiency and grain filling rate (GFR). Balance among traits related to yield maintenance in DP were more important than their high values. In general F4: 5 families (FAM), that had been crossed to combine typical breeding traits such as biomass and yield components, showed better tolerance under moderate stress than standards and parents.", publisher = "Cambridge Univ Press, New York", journal = "Experimental Agriculture", title = "Responses of wheat plants under post-anthesis stress induced by defoliation: i. Contribution of agro-physiological traits to grain yield", pages = "223-203", number = "2", volume = "52", doi = "10.1017/S0014479715000034" }
Dodig, D., Savić, J., Kandić, V., Zorić, M., Vučelić-Radović, B., Popović, A.,& Quarrie, S.. (2016). Responses of wheat plants under post-anthesis stress induced by defoliation: i. Contribution of agro-physiological traits to grain yield. in Experimental Agriculture Cambridge Univ Press, New York., 52(2), 203-223. https://doi.org/10.1017/S0014479715000034
Dodig D, Savić J, Kandić V, Zorić M, Vučelić-Radović B, Popović A, Quarrie S. Responses of wheat plants under post-anthesis stress induced by defoliation: i. Contribution of agro-physiological traits to grain yield. in Experimental Agriculture. 2016;52(2):203-223. doi:10.1017/S0014479715000034 .
Dodig, Dejan, Savić, Jasna, Kandić, Vesna, Zorić, Miroslav, Vučelić-Radović, Biljana, Popović, Aleksandra, Quarrie, Steve, "Responses of wheat plants under post-anthesis stress induced by defoliation: i. Contribution of agro-physiological traits to grain yield" in Experimental Agriculture, 52, no. 2 (2016):203-223, https://doi.org/10.1017/S0014479715000034 . .