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    <mxCell id="node4" value="结果A：幼苗不变，愈伤组织类胡萝卜素↑10倍（1800 μg/g），根↑100倍（500 μg/g），形成晶体" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#D5E8D4;strokeColor=#82B366;fontSize=12;verticalAlign=middle;align=center;" vertex="1" parent="1">
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    <mxCell id="node5" value="结果B：白根含5-14 μg/g，橙色根含800 μg/g（β-胡萝卜素42%），PSY蛋白高表达；crtB转基因根达400 μg/g并形成晶体" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#D5E8D4;strokeColor=#82B366;fontSize=12;verticalAlign=middle;align=center;" vertex="1" parent="1">
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