College of Landscape Architecture and Arts;
NorthwestAgriculture and Forestry University;
Yangling 712100;
Shaanxi;
China;
College of Forestry;
Northwest Agriculture and ForestryUniversity;
Yangling 712100;
Shaanxi;
China;
tree peony; foliage boron-spraying; seed yield; GC-MS; fatty acid composition;