<?xml version="1.0" encoding="UTF-8"?>
<SAMPLE_SET xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <SAMPLE alias="Sample 5" accession="SRS10736107">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS10736107</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN22594737</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Stem middel 2</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>153471</TAXON_ID>
      <SCIENTIFIC_NAME>Populus alba x Populus glandulosa</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>774930</ID>
          <LABEL>PRJNA774930</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>PSM2</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cultivar</TAG>
        <VALUE>84K</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ecotype</TAG>
        <VALUE>Renqiu, Hebei</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>6 month</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>dev_stage</TAG>
        <VALUE>develop stage</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>China: Renqiu, Hebei</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>stem</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
        <VALUE>Chinese Academy of Forestry</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2020-08-31</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>wild type</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>growth_protocol</TAG>
        <VALUE>Field growing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>height_or_length</TAG>
        <VALUE>2 meters high</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Plant</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="Sample 8" accession="SRS10736110">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS10736110</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN22594740</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Stem middel 3</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>153471</TAXON_ID>
      <SCIENTIFIC_NAME>Populus alba x Populus glandulosa</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>774930</ID>
          <LABEL>PRJNA774930</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>PSM3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cultivar</TAG>
        <VALUE>84K</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ecotype</TAG>
        <VALUE>Renqiu, Hebei</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>6 month</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>dev_stage</TAG>
        <VALUE>develop stage</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>China: Renqiu, Hebei</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>stem</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
        <VALUE>Chinese Academy of Forestry</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2020-08-31</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>wild type</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>growth_protocol</TAG>
        <VALUE>Field growing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>height_or_length</TAG>
        <VALUE>2 meters high</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Plant</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="Sample 1" accession="SRS10736103">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS10736103</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN22594733</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Stem top 1</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>153471</TAXON_ID>
      <SCIENTIFIC_NAME>Populus alba x Populus glandulosa</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>774930</ID>
          <LABEL>PRJNA774930</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>PST1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cultivar</TAG>
        <VALUE>84K</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ecotype</TAG>
        <VALUE>Renqiu, Hebei</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>6 month</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>dev_stage</TAG>
        <VALUE>primary stage</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>China: Renqiu, Hebei</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>stem</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
        <VALUE>Chinese Academy of Forestry</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2020-08-31</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>wild type</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>growth_protocol</TAG>
        <VALUE>Field growing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>height_or_length</TAG>
        <VALUE>2 meters high</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Plant</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="Sample 2" accession="SRS10736104">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS10736104</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN22594734</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Stem middel 1</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>153471</TAXON_ID>
      <SCIENTIFIC_NAME>Populus alba x Populus glandulosa</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>774930</ID>
          <LABEL>PRJNA774930</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>PSM1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cultivar</TAG>
        <VALUE>84K</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ecotype</TAG>
        <VALUE>Renqiu, Hebei</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>6 month</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>dev_stage</TAG>
        <VALUE>develop stage</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>China: Renqiu, Hebei</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>stem</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
        <VALUE>Chinese Academy of Forestry</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2020-08-31</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>wild type</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>growth_protocol</TAG>
        <VALUE>Field growing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>height_or_length</TAG>
        <VALUE>2 meters high</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Plant</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="Sample 3" accession="SRS10736105">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS10736105</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN22594735</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Stem bottom 1</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>153471</TAXON_ID>
      <SCIENTIFIC_NAME>Populus alba x Populus glandulosa</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>774930</ID>
          <LABEL>PRJNA774930</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>PSB1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cultivar</TAG>
        <VALUE>84K</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ecotype</TAG>
        <VALUE>Renqiu, Hebei</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>6 month</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>dev_stage</TAG>
        <VALUE>secondary stage</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>China: Renqiu, Hebei</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>stem</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
        <VALUE>Chinese Academy of Forestry</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2020-08-31</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>wild type</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>growth_protocol</TAG>
        <VALUE>Field growing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>height_or_length</TAG>
        <VALUE>2 meters high</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Plant</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="Sample 4" accession="SRS10736106">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS10736106</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN22594736</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Stem top 2</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>153471</TAXON_ID>
      <SCIENTIFIC_NAME>Populus alba x Populus glandulosa</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>774930</ID>
          <LABEL>PRJNA774930</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>PST2</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cultivar</TAG>
        <VALUE>84K</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ecotype</TAG>
        <VALUE>Renqiu, Hebei</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>6 month</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>dev_stage</TAG>
        <VALUE>primary stage</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>China: Renqiu, Hebei</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>stem</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
        <VALUE>Chinese Academy of Forestry</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2020-08-31</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>wild type</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>growth_protocol</TAG>
        <VALUE>Field growing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>height_or_length</TAG>
        <VALUE>2 meters high</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Plant</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="Sample 6" accession="SRS10736108">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS10736108</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN22594738</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Stem bottom 2</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>153471</TAXON_ID>
      <SCIENTIFIC_NAME>Populus alba x Populus glandulosa</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>774930</ID>
          <LABEL>PRJNA774930</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>PSB2</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cultivar</TAG>
        <VALUE>84K</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ecotype</TAG>
        <VALUE>Renqiu, Hebei</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>6 month</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>dev_stage</TAG>
        <VALUE>secondary stage</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>China: Renqiu, Hebei</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>stem</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
        <VALUE>Chinese Academy of Forestry</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2020-08-31</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>wild type</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>growth_protocol</TAG>
        <VALUE>Field growing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>height_or_length</TAG>
        <VALUE>2 meters high</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Plant</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="Sample 7" accession="SRS10736109">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS10736109</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN22594739</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Stem top 3</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>153471</TAXON_ID>
      <SCIENTIFIC_NAME>Populus alba x Populus glandulosa</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>774930</ID>
          <LABEL>PRJNA774930</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>PST3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cultivar</TAG>
        <VALUE>84K</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ecotype</TAG>
        <VALUE>Renqiu, Hebei</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>6 month</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>dev_stage</TAG>
        <VALUE>primary stage</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>China: Renqiu, Hebei</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>stem</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
        <VALUE>Chinese Academy of Forestry</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2020-08-31</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>wild type</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>growth_protocol</TAG>
        <VALUE>Field growing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>height_or_length</TAG>
        <VALUE>2 meters high</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Plant</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="Sample 9" accession="SRS10736111">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS10736111</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN22594741</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Stem bottom 3</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>153471</TAXON_ID>
      <SCIENTIFIC_NAME>Populus alba x Populus glandulosa</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>774930</ID>
          <LABEL>PRJNA774930</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>PSB3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cultivar</TAG>
        <VALUE>84K</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ecotype</TAG>
        <VALUE>Renqiu, Hebei</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>6 month</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>dev_stage</TAG>
        <VALUE>secondary stage</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>China: Renqiu, Hebei</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>stem</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>biomaterial_provider</TAG>
        <VALUE>Chinese Academy of Forestry</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2020-08-31</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>wild type</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>growth_protocol</TAG>
        <VALUE>Field growing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>height_or_length</TAG>
        <VALUE>2 meters high</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Plant</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
</SAMPLE_SET>
