【1000個園藝小知識】月季得了黑斑病，葉片掉光光，怎麼辦？

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1000個園藝小知識：重的時候，葉片便會慢慢枯黃。末期，整株月季的葉片會掉光。如何防治黑斑病呢？清理乾淨土壤表面的落葉清理乾淨再噴灑點多菌靈。如果比較嚴重，用腈菌唑效果比較好。