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Leaf rust (barley) : ウィキペディア英語版 | Leaf rust (barley)
Leaf rust is a fungal disease of barley caused by ''Puccinia hordei''. It is also known as brown rust and it is the most important rust disease on barley.〔 〕 == Symptoms == Pustules of leaf rust are small and circular, producing a mass of orange-brown powdery spores. They appear on the leaf sheaths and predominantly on the upper leaf surfaces. Heavily infected leaves die prematurely.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Leaf rust (barley)」の詳細全文を読む
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