Funding for this research was provided by:
National Science and Technology Supporting Project (2013BAD20B03)
National Apple Industry Technology System of Agriculture Ministry of China (CARS-28)
the Innovation project of science and technology of Shaanxi Province (2016TZC-N-11-6)
the key research project of Shaanxi provincial (2017ZDXM-NY-019)
Text and Data Mining valid from 2018-12-01
Received: 15 December 2017
Accepted: 30 November 2018
First Online: 27 December 2018
Ethics approval and consent to participate
: <i>Malus × domestica</i> (‘NagafuNo. 2’ (CF)/Malling 26 (M.26), <i>Malus hupehensis</i> seedlings, CF/ Malling 9 (M.9)-CF/CF, and CF/M.26-‘Yanfu 6’(YF)/M.26) are widely planted in China. They are not listed in Appendices I, II, and III of the Convention on the Trade in Endangered Species of Wild Fauna and Flora (ExternalRef removed). All the materials used in our study were grown in the Apple Demonstration Nursery of Yangling Modern Agriculture Technology Park (Northwest A&F University). Sample collection complied with institutional, national, and international guidelines. This article does not contain any studies with human participants or animals performed by any of the authors. No specific permits were required.
: Not applicable.
: The authors declare that there are no conflicts of interests.
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