Wheat yellow dwarf disease is a major disease in China.

小麦黄矮病是中国小麦产区的重要病害之一。

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Xiaoyan 6 did not resist wheat aphids and wheat yellow dwarf.

小偃6号既不抗蚜虫，又不抗小麦黄矮病。

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Xiaoyan 6 did not resist wheat aphids and wheat yellow dwarf.

小偃6号既不抗蚜虫，又不抗小麦黄矮病。

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