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Recently, the smart meteorology and agroclimate resource utilization team of the Institute of Agricultural Environment and Sustainable Development of the Chinese Academy of Agricultural Sciences as one of the leaders, together with a number of researchers, analyzed the contribution of wheat breeding to climate change adaptation in the past 50 years, revealing that the genetic gain of wheat yield brought about by the current wheat breeding strategy will not be able to offset the impact
of continuous warming in the future.
The findings were published in
Nature Communications.
of continuous warming in the future.
The findings were published in
Nature Communications.
According to researcher He Yong, food production is one of the most obviously affected areas by climate change, and the huge impact of climate change on agriculture in the next 30 years will seriously affect global food security
.
At present, scholars at home and abroad have carried out a lot of research on the formation process of wheat yield to cope with climate change, and recognized the role of variety improvement in adapting to climate change, but lack a comprehensive understanding
of adaptive breeding.
.
At present, scholars at home and abroad have carried out a lot of research on the formation process of wheat yield to cope with climate change, and recognized the role of variety improvement in adapting to climate change, but lack a comprehensive understanding
of adaptive breeding.
The study used big data from regional trials conducted by breeders in North America between 1960 and 2018 to comprehensively assess the contribution
of breeding advances under current and future climatic conditions to increased wheat yields in the region.
The results show that compared with the old control varieties, the newly bred wheat varieties (lines) have obvious advantages in potential yield, but they are more sensitive
to warming.
In addition, the predictions suggest that the genetic gains from current wheat breeding strategies will not fully offset the negative impact
of warming on wheat yields.
The study further points out that in the future-oriented wheat breeding strategy, it is necessary to fully release the performance of varieties and accelerate the adaptation
of varieties to climate change.
of breeding advances under current and future climatic conditions to increased wheat yields in the region.
The results show that compared with the old control varieties, the newly bred wheat varieties (lines) have obvious advantages in potential yield, but they are more sensitive
to warming.
In addition, the predictions suggest that the genetic gains from current wheat breeding strategies will not fully offset the negative impact
of warming on wheat yields.
The study further points out that in the future-oriented wheat breeding strategy, it is necessary to fully release the performance of varieties and accelerate the adaptation
of varieties to climate change.
The research was supported
by the National Natural Science Foundation of China and other projects.
by the National Natural Science Foundation of China and other projects.
Original link:
