Claim · model-written summary
Authors infer that altered photosynthesis delays young spike growth and lowers yield.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- low-temperature stresse0
- Outcome
- decrease in yielde0
- Qualifier
- delaying young spike growthe0
Verbatim
e0“low-temperature stress during the anther differentiation period alters the photosynthetic activity involved in the accumulation of dry matter in wheat, which leads to delaying young spike growth, especially for upper spikelets, and ultimately in a decrease in yield”
Title
Yan Zhang; Lvzhou Liu; Xiang Chen; et al. Plants 2022. doi:10.3390/plants11030389
Other claims from this paper (12)
- Intervention effect Longer and colder stress decreased leaf photosynthetic rate.
- Intervention effect Longer and colder stress decreased leaf stomatal conductance.
- Intervention effect Longer and colder stress decreased leaf transpiration rate.
- Observation All treatments except -2 °C for 72 h recovered slowly within 7-15 days.
- Intervention effect Low temperature reduced grains per spikelet.
- Intervention effect Low temperature reduced 1000-grain weight.
- Intervention effect Low temperature reduced yield per plant.
- Observation Upper spikelets were significantly fewer than lower and middle spikelets after cold stress.
- Observation Sterile grain in upper spikelets of Xinmai 26 reached 100% at -2 °C for 48 h and 72 h.
- Observation Upper spikelets had a 90.52% yield loss at 2 °C for 24 h.
- Observation Lower spikelets had a 60.73% yield loss at 2 °C for 24 h.
- Observation Middle spikelets had a 50.94% yield loss at 2 °C for 24 h.
Oryza sativa