Funding for this research was provided by:
National Natural Science Foundation of China (31470349)
Shandong Province Germplasm Innovation (2014-2017)
International Science & Technology Cooperation Program of China (2015DFA31190)
the Supporting Plan of National Science and Technology of China (2014BAD11B04)
the earmarked fund for Modern Agroindustry Technology Research System (CARS-14)
Text and Data Mining valid from 2018-07-04
Received: 9 August 2017
Accepted: 4 June 2018
First Online: 4 July 2018
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