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Jia LI, Jiming LIU, Chang LUO, et al. Effect of Different Cutting Sizes and Seasons on the Cutting Rooting of Cinnamomum migao[J]. JOURNAL OF YUNNAN AGRICULTURAL UNIVERSITY（Natural Science）, 2018, 33(5): 911-915. DOI: 10.12101/j.issn.1004-390X(n).201709034
Citation: Jia LI, Jiming LIU, Chang LUO, et al. Effect of Different Cutting Sizes and Seasons on the Cutting Rooting of Cinnamomum migao[J]. JOURNAL OF YUNNAN AGRICULTURAL UNIVERSITY（Natural Science）, 2018, 33(5): 911-915. DOI: 10.12101/j.issn.1004-390X(n).201709034
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Effect of Different Cutting Sizes and Seasons on the Cutting Rooting of Cinnamomum migao

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    • Abstract
  • Purpose To study the effect of different cutting sizes and seasons on the cutting propagation of Cinnamomum migao and to provide scientific evidence for C. migao cuttage.
    Methods The C. migao cuttings roughness (>2-3, >3-4, >4-5, >5 mm), length (7, l0, 13, 15, 18 cm) and cutting season (March, June and September) on rooting process was recorded and the rooting rate of cuttings, rate of callus formation, partial root rate, root number and the maximum adventitious root length were studied by comparative analysis.
    Results (1) The callus and adventitious root cut in the spring formed later than that cut in summer; the branches cut in summer bark rooted and the rooting time was short, but more rotten. (2) The rooting traits of >3-4 mm cuttings had the best indexes and the highest rooting rate. The maximum length of >5 mm cuttings was longer than other treatments. (3) The rooting indexes of cuttings of 7-13 cm indexes except the partial root rate were significantly better than those of the cuttings of 15 cm and 18 cm.
    Conclusion Comprehensive analysis result indicated that C. migao branches of >3-4 mm cuttings roughness and 10 cm long cutting in spring had the best rooting effect.
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