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武汉大学学报 英文版 | Wuhan University Journal of Natural Sciences
Wan Fang
Wuhan University
Latest Article
Effects of Foliage Boron-Spraying on Seed Yields and Fatty Acid Composition of Tree Peony (Paeonia ostii ‘Feng Dan’)
LI Chengcheng1, JI Wenli1†, SUN Jiayi1, LI Qiaoli2, YANG Jingxuan1, WEI Shuangyu1, ZHANG Yanlong1
1. College of Landscape Architecture and Arts, Northwest Agriculture and Forestry University, Yangling 712100, Shaanxi, China; 2. College of Forestry, Northwest Agriculture and Forestry University, Yangling 712100, Shaanxi, China
 The influence of the foliage boron(B)-spaying concentration on the yield and fatty acid composition of tree peony (Paeonia ostii ‘Feng Dan’) was explored in the experiment of 2014-2015. In this research, a statistically significant correlation was found between the mass concentration of foliage boron-spraying and tree peony seed yield. Maximum yield increment of tree peony seeds was obtained when the boron-spraying concentration was 4 g/L. The composition of fatty acid was analyzed by gas chromatography-mass spectrometry (GC-MS), and the main components of the fatty acid composition were quantified by internal standard method. The increase in the oil extraction rate after foliage boron-spraying nutrition of different concentration was significant and ranged between 0.04% and 11.43%. Seed oil production and oil extraction rate were also increased due to the increase of seed yields. Furthermore, foliage boron-spraying had a significant effect on the content of linolenic acid and linoleic acid in seed oil.
Key words:tree peony; foliage boron-spraying; seed yield; GC-MS; fatty acid composition
CLC number:S 685.11
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