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Chinese Agricultural Science Bulletin ›› 2023, Vol. 39 ›› Issue (25): 64-68.doi: 10.11924/j.issn.1000-6850.casb2022-0749

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Analysis of Quality and Safety of Dendrobium officinale in Different Bionic Cultivation Modes

YAN Peipei1,2(), YE Wei1,2(), JIANG Jinlan1,2, WANG Peiyu1,2, JIANG Jianfang3, HONG Zengchun4   

  1. 1 Sanming Academy of Agricultural Sciences, Sanming, Fujian 365500
    2 The Key Laboratory of Crop Genetic Improvement and Innovative Utilization in Fujian Province (Mountain Area), Sanming, Fujian 365500
    3 Taining County Forestry Bureau, Sanming, Fujian 354400
    4 Sanming Agricultural Products Quality and Safety Inspection and Testing Center, Sanming, Fujian 353000
  • Received:2022-09-05 Revised:2023-04-04 Online:2023-09-05 Published:2023-08-28

Abstract:

The difference of quality of Dendrobium officinale ‘Minghu No.1’ in different bionic cultivation modes was investigated, so as to screen out a green and high-yield bionic cultivation mode suitable for D. officinale. D. officinale ‘Minghu No.1’ was cultivated on cliffs, pear trees and bionic frames, respectively. The agronomic characters, yield, polysaccharide content, conventional pesticide residues and heavy metal residues of the three kinds of ‘Minghu No.1’ were detected after two years cultivation, and their differences were compared and analyzed. The plant height, leaf number, leaf length, leaf width, fresh weight, dry weight and polysaccharide content were in the order of bionic frames> pear trees> cliffs; the leaf thickness, one-year buds number and moisture content were in the order of pear trees> cliffs> bionic frames; only the stem thickness was pear trees> bionic frames> cliffs, while chlorophyll was cliffs> pear trees> bionic frames. None of the 38 conventional pesticide residue items were detected, and none of the 8 conventional heavy metal residue items exceeded the standard limit value. Bionic frame cultivation is the most suitable cultivation mode for ‘Minghu No.1’, with the highest yield and the highest polysaccharide content; all three kinds of ‘Minghu No.1’ cultivated in different bionic cultivation modes have no risk to human health and are safe to eat.

Key words: Dendrobium officinale, ‘Minghu No.1’, cliffs, pear trees, bionic frames