Received: 6 February 2021
Accepted: 21 April 2021
First Online: 15 May 2021
: The seeds of wheat (Chinese Spring) and <i>Arabidopsis</i> (Col-0) were both preserved in our experiment. And they were grown in the greenhouse of Northwest A&F University. The research conducted in this study neither required approval from an ethics committee, nor involved any human or animal subjects. No specific permits were required for the described field studies. The location is not privately-owned or protected in any way, and the field studies did not involve endangered or protected species. We complied with the IUCN Policy Statement on Research Involving Species at Risk of Extinction and the Convention on the Trade in Endangered Species of Wild Fauna and Flora.
: Not applicable.
: The authors declare that they have no competing interests.