Journal of Zhejiang Agricultural Sciences ›› 2024, Vol. 65 ›› Issue (1): 125-129.DOI: 10.16178/j.issn.0528-9017.20230426

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Effect of different fertilizer combinations on flowering and chlorophyll content of oriental cherry based on PCA

GAO Zhaoliang1(), JUN Jiaxiang2, SHEN Tongfei3, ZHU Jianjun1,*()   

  1. 1. Forest & Fruit Tree Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai 201403
    2. Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, Shanghai 201403
    3. College of Life Sciences and Agriculture & Forestry, Qiqihar University, Qiqihar 161006, Heilongjiang
  • Received:2023-04-20 Online:2024-01-11 Published:2024-01-17

Abstract:

Taking oriental cherry as the research object, this study has investigated the effects of different dosages and combinations of macroelement water-soluble fertilizer, secondary element water-soluble fertilizer, and microbial inoculants (Aijia Biological Company) on flowering and chlorophyll content. The results have indicated that different treatments have different promoting effects on various indicators of flowering and chlorophyll content. We have normalized the indicators of bud scale cracking rate, red exposure rate, flower bud production rate, initial flower rate, flowering rate, average number of flowers per plant, and leaf chlorophyll content and used principal component analysis (PCA) to construct an evaluation model for flowering and chlorophyll content. The results have showed that the optimal fertilizer combination for promoting flowering and chlorophyll content in leaves was macroelement water-soluble fertilizer of 100 g per plant, microbial inoculants of 50 mL per plant, and secondary element water-soluble fertilizer of 10 g per plant.

Key words: oriental cherry, macroelement water-soluble fertilizer, secondary element water-soluble fertilizer, microbial inoculants

CLC Number: