Li, Pingping
Wang, Hongxia
Liu, Pan
Li, Yaoling
Liu, Kai
An, Xiuhong
Zhang, Zhihua
Zhao, Shugang
Article History
Received: 24 August 2021
Accepted: 19 October 2021
First Online: 3 November 2021
Declarations
:
: Walnut is one of widespread fruit trees in China, and it is not an endangered species. The walnut trees were from the Experimental Field of Hebei Agricultural University. No specific permits are required for sample collection on walnut.
: Not applicable.
: The authors declare that they have no competing interests.