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Bulletin of Botanical Research ›› 2018, Vol. 38 ›› Issue (6): 869-875.doi: 10.7525/j.issn.1673-5102.2018.06.010

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Effect of Boron and Zinc on Photosynthetic Physiology of Leaves, Nut Setting and Kernel Quality of Hybrid Hazelnut

WANG Jing-Yang1,2, WANG Qing-Cheng1,2, ZHU Kai-Yue1,2, MA Shuang-Jiao1,2   

  1. 1. Northeast Forestry University, Harbin 150040;
    2. Engineering and Technology Research Centre for Northeast Native Tree Species, State Forestry and Grassland Administration, Harbin 150040
  • Received:2018-08-09 Online:2018-11-15 Published:2018-11-01
  • Supported by:
    Working Subsides for Forestry Sci-Tech Innovation Platform(2018-40)

Abstract: Through the application of different concentrations of boron (0.2%, 0.3% and 0.4%) and zinc (0.3%,0.4% and 0.5%) in a 4 a hybrid hazelnuts (Corylus heterophylla×Corylus avellana) in Dongning Area of Heilongjiang Province, the effects of micronutrient fertilizers on the photosynthetic physiology, seed setting, nut kernel and leaves nutrient status of hybrid hazelnut were investigated. Boron and zinc had a significant effect on net photosynthetic rate. Interaction between boron and zinc had an extremely significant on net photosynthetic rate. Effect of boron on kernel rate was extremely significant, effect of boron on single kernel mass was significant, effects of boron on single nut mass and nut setting rate were not significant. Effects of zinc on single nut mass and single kernel mass were extremely significant, effect of zinc on kernel rate was significant, and effect of zinc on nut setting rate was not significant. Significant effect of interaction between boron and zinc was detected with kernel rate, but not with single nut mass, single kernel mass and nut setting rate. Effects of boron, zinc and interaction between boron and zinc on kernel fatty acid concentration and kernel protein concentration were not significant. Boron, zinc and the interaction had significant effects on the photosynthesis and seed setting of 4 a hybrid hazelnut trees, promoted single kernel mass, kernel rate and single nut mass. The proper concentration for boron and zinc foliar fertilization is 0.3% and 0.4%, respectively.

Key words: hybrid hazelnut(Corylus heterophylla×Corylus avellana), boron, zinc, photosynthetic physiology, nut setting

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