The effect of heat stress on some main spike traits in 12 wheat cultivars at anthesis and mid-grain filling stage
2021
Authors
Mirosavljević, MilanMikić, Sanja
Kondić-Špika, Ankica
Župunski, Vesna
Zhou, Rong
Abdelhakim, Lamis
Ottosen, Carl-Otto
Article (Published version)
Publisher's own license
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High temperature decreases winter wheat grain yield by reducing the grain number and grain weight. The effect of heat stress on spike grain distribution and weight of individual grains within spike and spikelets was less studied. Our aim is to identify influence of high temperatures during different phenological stages on spike grain distribution and weight and to explore genotypic variation of the studied wheat cultivars. Within this study, controlled experiment was conducted with 12 different winter wheat cultivars under heat stress at anthesis and mid-grain filling stage. The results showed that spike grain weight, thousand-grain weight and grain number per spike decreased moderately in treatments with individual heat stress at anthesis and mid-grain filling period, respectively, which decreased severely in the multiple heat stressed plants at both stages compared with the control treatment. Heat stress decreased number of spikelets with grains. Grain weight at the G1, G2 and G3 pos...itions had positive relationship with spike grain weight. Among the studied Serbian wheat cultivars Suboticanka and Renesansa were identified as the most heat tolerant and sensitive, respectively. Heat tolerance of the studied cultivars should be based on the cultivar capacity to retain higher grain weight, and to maintain production of distal spikelet grains.
Keywords:
cereal / drought / extreme heat / flowering / global warming / Triticum aestivum L.Source:
Plant Soil & Environment, 2021, 67, 2, 71-76Publisher:
- Czech Academy Agricultural Sciences, Prague
Funding / projects:
- Ministry of Science, Technological Development and Innovation of the Republic of Serbia, institutional funding - 200032 (Institute of Field and Vegetable Crops, Novi Sad) (RS-MESTD-inst-2020-200032)
- Ministry of Science, Technological Development and Innovation of the Republic of Serbia, institutional funding - 200117 (University of Novi Sad, Faculty of Agriculture) (RS-MESTD-inst-2020-200117)
DOI: 10.17221/457/2020-PSE
ISSN: 1214-1178
WoS: 000616696400002
Scopus: 2-s2.0-85101116259
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FiVeRTY - JOUR AU - Mirosavljević, Milan AU - Mikić, Sanja AU - Kondić-Špika, Ankica AU - Župunski, Vesna AU - Zhou, Rong AU - Abdelhakim, Lamis AU - Ottosen, Carl-Otto PY - 2021 UR - http://fiver.ifvcns.rs/handle/123456789/2087 AB - High temperature decreases winter wheat grain yield by reducing the grain number and grain weight. The effect of heat stress on spike grain distribution and weight of individual grains within spike and spikelets was less studied. Our aim is to identify influence of high temperatures during different phenological stages on spike grain distribution and weight and to explore genotypic variation of the studied wheat cultivars. Within this study, controlled experiment was conducted with 12 different winter wheat cultivars under heat stress at anthesis and mid-grain filling stage. The results showed that spike grain weight, thousand-grain weight and grain number per spike decreased moderately in treatments with individual heat stress at anthesis and mid-grain filling period, respectively, which decreased severely in the multiple heat stressed plants at both stages compared with the control treatment. Heat stress decreased number of spikelets with grains. Grain weight at the G1, G2 and G3 positions had positive relationship with spike grain weight. Among the studied Serbian wheat cultivars Suboticanka and Renesansa were identified as the most heat tolerant and sensitive, respectively. Heat tolerance of the studied cultivars should be based on the cultivar capacity to retain higher grain weight, and to maintain production of distal spikelet grains. PB - Czech Academy Agricultural Sciences, Prague T2 - Plant Soil & Environment T1 - The effect of heat stress on some main spike traits in 12 wheat cultivars at anthesis and mid-grain filling stage EP - 76 IS - 2 SP - 71 VL - 67 DO - 10.17221/457/2020-PSE ER -
@article{ author = "Mirosavljević, Milan and Mikić, Sanja and Kondić-Špika, Ankica and Župunski, Vesna and Zhou, Rong and Abdelhakim, Lamis and Ottosen, Carl-Otto", year = "2021", abstract = "High temperature decreases winter wheat grain yield by reducing the grain number and grain weight. The effect of heat stress on spike grain distribution and weight of individual grains within spike and spikelets was less studied. Our aim is to identify influence of high temperatures during different phenological stages on spike grain distribution and weight and to explore genotypic variation of the studied wheat cultivars. Within this study, controlled experiment was conducted with 12 different winter wheat cultivars under heat stress at anthesis and mid-grain filling stage. The results showed that spike grain weight, thousand-grain weight and grain number per spike decreased moderately in treatments with individual heat stress at anthesis and mid-grain filling period, respectively, which decreased severely in the multiple heat stressed plants at both stages compared with the control treatment. Heat stress decreased number of spikelets with grains. Grain weight at the G1, G2 and G3 positions had positive relationship with spike grain weight. Among the studied Serbian wheat cultivars Suboticanka and Renesansa were identified as the most heat tolerant and sensitive, respectively. Heat tolerance of the studied cultivars should be based on the cultivar capacity to retain higher grain weight, and to maintain production of distal spikelet grains.", publisher = "Czech Academy Agricultural Sciences, Prague", journal = "Plant Soil & Environment", title = "The effect of heat stress on some main spike traits in 12 wheat cultivars at anthesis and mid-grain filling stage", pages = "76-71", number = "2", volume = "67", doi = "10.17221/457/2020-PSE" }
Mirosavljević, M., Mikić, S., Kondić-Špika, A., Župunski, V., Zhou, R., Abdelhakim, L.,& Ottosen, C.. (2021). The effect of heat stress on some main spike traits in 12 wheat cultivars at anthesis and mid-grain filling stage. in Plant Soil & Environment Czech Academy Agricultural Sciences, Prague., 67(2), 71-76. https://doi.org/10.17221/457/2020-PSE
Mirosavljević M, Mikić S, Kondić-Špika A, Župunski V, Zhou R, Abdelhakim L, Ottosen C. The effect of heat stress on some main spike traits in 12 wheat cultivars at anthesis and mid-grain filling stage. in Plant Soil & Environment. 2021;67(2):71-76. doi:10.17221/457/2020-PSE .
Mirosavljević, Milan, Mikić, Sanja, Kondić-Špika, Ankica, Župunski, Vesna, Zhou, Rong, Abdelhakim, Lamis, Ottosen, Carl-Otto, "The effect of heat stress on some main spike traits in 12 wheat cultivars at anthesis and mid-grain filling stage" in Plant Soil & Environment, 67, no. 2 (2021):71-76, https://doi.org/10.17221/457/2020-PSE . .