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      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>P. alba X P. glandulosa (84K) overexpressed PtWOX11</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2718748" accession="SRS2387755">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2387755</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07417295</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2718748</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>PtWOX11ox CIM8 RNA-seq [Ptr_5]</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>395928</ID>
          <LABEL>PRJNA395928</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>callus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>callus growth on callus inducing medium 8 days after culture</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>P. alba X P. glandulosa (84K) overexpressed PtWOX11</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2718754" accession="SRS2387758">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2387758</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07417284</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2718754</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>PtWOX11ox SIM8 RNA-seq [Ptr_11]</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>395928</ID>
          <LABEL>PRJNA395928</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>callus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>callus growth on shoot inducing medium 8 days after culture</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>P. alba X P. glandulosa (84K) overexpressed PtWOX11</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2718756" accession="SRS2387761">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2387761</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07417282</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2718756</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>84K leaf RNA-seq [Ptr_25]</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>395928</ID>
          <LABEL>PRJNA395928</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>leaf</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>3th-5th leaf</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>P. alba X P. glandulosa (84K)</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2718760" accession="SRS2387765">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2387765</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07417278</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2718760</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>84K CIM8 RNA-seq [Ptr_29]</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>395928</ID>
          <LABEL>PRJNA395928</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>callus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>callus growth on callus inducing medium 8 days after culture</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>P. alba X P. glandulosa (84K)</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2718763" accession="SRS2387768">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2387768</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07417275</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2718763</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>84K SIM4 RNA-seq [Ptr_32]</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>395928</ID>
          <LABEL>PRJNA395928</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>callus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>callus growth on shoot inducing medium 4 days after culture</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>P. alba X P. glandulosa (84K)</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2718767" accession="SRS2387774">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2387774</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07417271</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2718767</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>84K SIM8 RNA-seq [Ptr_36]</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>395928</ID>
          <LABEL>PRJNA395928</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>callus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>callus growth on shoot inducing medium 8 days after culture</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>P. alba X P. glandulosa (84K)</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2718766" accession="SRS2387771">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2387771</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07417272</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2718766</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>84K SIM8 RNA-seq [Ptr_35]</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>395928</ID>
          <LABEL>PRJNA395928</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>callus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>callus growth on shoot inducing medium 8 days after culture</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>P. alba X P. glandulosa (84K)</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
</SAMPLE_SET>
