<mxfile host="app.diagrams.net"><diagram name="roadmap"><mxGraphModel dx="1422" dy="794" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="1169" pageHeight="826" math="0" shadow="0">
  <root>
    <mxCell id="0" />
    <mxCell id="1" parent="0" />
    <mxCell id="node1" value="研究问题：通过MABC将GR2E金大米性状导入亚洲3个主栽水稻品种" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#dae8fc;strokeColor=#6c8ebf;fontSize=12;fontStyle=1verticalAlign=middle;align=center;" vertex="1" parent="1">
      <mxGeometry x="245" y="40" width="340" height="64" as="geometry" />
    </mxCell>
    <mxCell id="node2" value="策略：标记辅助回交育种（MABC）连续回交5代+背景选择" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#d5e8d4;strokeColor=#82b366;fontSize=12;fontStyle=1verticalAlign=middle;align=center;" vertex="1" parent="1">
      <mxGeometry x="245" y="214" width="340" height="64" as="geometry" />
    </mxCell>
    <mxCell id="node3" value="关键改造：GR2E事件导入IR64、PSBRc82、BR29" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#ffe6cc;strokeColor=#d79b00;fontSize=12;fontStyle=1verticalAlign=middle;align=center;" vertex="1" parent="1">
      <mxGeometry x="258" y="388" width="313" height="64" as="geometry" />
    </mxCell>
    <mxCell id="node4" value="结果1：BC5F2总类胡萝卜素3.1-8.0ppm，背景恢复率&gt;98%" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#e1d5e7;strokeColor=#9673a6;fontSize=12verticalAlign=middle;align=center;" vertex="1" parent="1">
      <mxGeometry x="40" y="562" width="340" height="64" as="geometry" />
    </mxCell>
    <mxCell id="node5" value="结果2：多季多点田间试验，类胡萝卜素稳定表达（BR29最高，IR64最低）" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#e1d5e7;strokeColor=#9673a6;fontSize=12verticalAlign=middle;align=center;" vertex="1" parent="1">
      <mxGeometry x="450" y="562" width="340" height="64" as="geometry" />
    </mxCell>
    <mxCell id="node6" value="结果3：优良品系可供应维生素A需求30-50%，1个品系产量提高12.8%" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#e1d5e7;strokeColor=#9673a6;fontSize=12verticalAlign=middle;align=center;" vertex="1" parent="1">
      <mxGeometry x="245" y="736" width="340" height="64" as="geometry" />
    </mxCell>
    <mxCell id="node7" value="结论：GR2E导入系农艺性状与亲本一致，类胡萝卜素表达稳定，具商业化潜力" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#f8cecc;strokeColor=#b85450;fontSize=12;fontStyle=1verticalAlign=middle;align=center;" vertex="1" parent="1">
      <mxGeometry x="245" y="910" width="340" height="64" as="geometry" />
    </mxCell>
    <mxCell id="edge1" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;endArrow=block;endFill=1;strokeWidth=1.6;exitX=0.5;exitY=1;exitDx=0;exitDy=0;entryX=0.5;entryY=0;entryDx=0;entryDy=0;" edge="1" source="node1" target="node2" parent="1">
      <mxGeometry relative="1" as="geometry" />
    </mxCell>
    <mxCell id="edge2" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;endArrow=block;endFill=1;strokeWidth=1.6;exitX=0.5;exitY=1;exitDx=0;exitDy=0;entryX=0.5;entryY=0;entryDx=0;entryDy=0;" edge="1" source="node2" target="node3" parent="1">
      <mxGeometry relative="1" as="geometry" />
    </mxCell>
    <mxCell id="edge3" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;endArrow=block;endFill=1;strokeWidth=1.6;exitX=0.5;exitY=1;exitDx=0;exitDy=0;entryX=0.5;entryY=0;entryDx=0;entryDy=0;" edge="1" source="node3" target="node4" parent="1">
      <mxGeometry relative="1" as="geometry" />
    </mxCell>
    <mxCell id="edge4" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;endArrow=block;endFill=1;strokeWidth=1.6;exitX=1;exitY=0.5;exitDx=0;exitDy=0;entryX=0;entryY=0.5;entryDx=0;entryDy=0;" edge="1" source="node4" target="node5" parent="1">
      <mxGeometry relative="1" as="geometry" />
    </mxCell>
    <mxCell id="edge5" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;endArrow=block;endFill=1;strokeWidth=1.6;exitX=0.5;exitY=1;exitDx=0;exitDy=0;entryX=0.5;entryY=0;entryDx=0;entryDy=0;" edge="1" source="node5" target="node6" parent="1">
      <mxGeometry relative="1" as="geometry" />
    </mxCell>
    <mxCell id="edge6" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;endArrow=block;endFill=1;strokeWidth=1.6;exitX=0.5;exitY=1;exitDx=0;exitDy=0;entryX=0.5;entryY=0;entryDx=0;entryDy=0;" edge="1" source="node6" target="node7" parent="1">
      <mxGeometry relative="1" as="geometry" />
    </mxCell>
    <mxCell id="edge7" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;endArrow=block;endFill=1;strokeWidth=1.6;exitX=0.5;exitY=1;exitDx=0;exitDy=0;entryX=0.5;entryY=0;entryDx=0;entryDy=0;dashed=1;" edge="1" source="node3" target="node5" parent="1">
      <mxGeometry relative="1" as="geometry" />
    </mxCell>
  </root>
</mxGraphModel></diagram></mxfile>