<?xml version="1.0" encoding="UTF-8"?>
<SAMPLE_SET xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <SAMPLE alias="MP" accession="SRS1122202">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS1122202</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN04195497</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Mature pollen</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>225117</TAXON_ID>
      <SCIENTIFIC_NAME>Pyrus x bretschneideri</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>cultivar</TAG>
        <VALUE>Dangshansuli</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ecotype</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>dev_stage</TAG>
        <VALUE>0 min</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>China: Nanjing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>pollen</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Plant</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="HP" accession="SRS1122203">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS1122203</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN04195498</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Hydrated pollen grain</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>225117</TAXON_ID>
      <SCIENTIFIC_NAME>Pyrus x bretschneideri</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>cultivar</TAG>
        <VALUE>Dangshansuli</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ecotype</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>dev_stage</TAG>
        <VALUE>40 min</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>China: Nanjing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>pollen</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Plant</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="PT" accession="SRS1122331">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS1122331</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN04195499</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Pollen tube</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>225117</TAXON_ID>
      <SCIENTIFIC_NAME>Pyrus x bretschneideri</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>cultivar</TAG>
        <VALUE>Dangshansuli</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ecotype</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>dev_stage</TAG>
        <VALUE>6 h</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>China: Nanjing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>pollen tube</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Plant</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="SPT" accession="SRS1122333">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS1122333</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN04195500</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Stopped-growth pollen tube</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>225117</TAXON_ID>
      <SCIENTIFIC_NAME>Pyrus x bretschneideri</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>cultivar</TAG>
        <VALUE>Dangshansuli</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ecotype</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>dev_stage</TAG>
        <VALUE>15 h</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>China: Nanjing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>pollen tube</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Plant</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
</SAMPLE_SET>
