Effects of Different Plant Growth Regulators and Their Concentrations on Rooting of <i>Myricaria squamosa</i> Cuttings

Bo Li; Keyu Wei; Lihua Wang

doi:10.11929/j.swfu.201911023

Journal of Southwest Forestry University > 2021 > 41(1): 33-38. > DOI: 10.11929/j.swfu.201911023

Bo Li, Keyu Wei, Lihua Wang. Effects of Different Plant Growth Regulators and Their Concentrations on Rooting of Myricaria squamosa Cuttings[J]. Journal of Southwest Forestry University, 2021, 41(1): 33-38. DOI: 10.11929/j.swfu.201911023

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Effects of Different Plant Growth Regulators and Their Concentrations on Rooting of Myricaria squamosa Cuttings

Bo Li^1,2,,
Keyu Wei²,
Lihua Wang^1,2, ,

1.
CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization/Ecological Restoration and Biodiversity Conservation Key Laboratory of Sichuan Province/Chengdu Institute of Biology, Chinese Academy of Sciences, Chendu Sichuan 610041, China
2.
College of Resources and Environment, Aba Teachers University, Aba Sichuan 623002, China

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Received Date: November 09, 2019
Revised Date: March 12, 2020
Available Online: April 26, 2020
Published Date: December 31, 2020

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Abstract

Abstract

In order to study the rooting effect of different plant growth regulators on shoot cuttings of Myricaria squamosa, one-year-old cuttings of M. squamosa in the same year were selected as the research object, adopted completely randomized design and the cuttings were treated with 3 kinds of plant growth regulators with different concentration gradients. The rooting rates and root related indexes under different treatments were compared and analyzed. The results showed that IBA could effectively improve the rooting rate and efficiency of M. squamosa in a short time, and the rooting rate under plant growth regulators was SA > IBA > CK > NAA. The number of roots of cuttings treated with NAA 50 mg/L was 16.68, which was significantly higher than that of other treatments. It can be seen that plant growth regulators have significant effect on softwood cuttings of M. squamosa, but the rooting effects of different growth regulators are different, and the concentration of IBA 50 mg/L has the best effect on the rooting of cuttings of M. squamosa.
- Myricaria squamosa,
- shoot,
- cutting,
- plant growth regulator,
- concentration,
- rooting

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