Zhu, Yanmin
Saltzgiver, Melody
Article History
Received: 29 September 2019
Revised: 24 February 2020
Accepted: 8 March 2020
First Online: 1 May 2020
Conflict of interest
: The researches summarized in this review were in part funded by a grant from Washington State Tree Fruit Research Commission. The funder had no role in study design, data collection and analysis, decision to publish, or preparation of the paper. This does not alter the authors’ adherence to all polices on sharing data and materials. The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as potential conflicts of interest.