Black Spots On Leaves | 農藥合法資訊網

3天前—Thiscan'tbe!Youdon'thaveanyroses.Unfortunately,youdon'tneedthem.Yourgardenhasbeeninfectedwithblackspotfungus.Whatis ...

You’re strolling through your garden enjoying the lush growth the spring rains have produced. You stop to admire one particular specimen and you notice black spots on plant leaves. Closer inspection shows black spots on leaves throughout a whole section of your garden. This can’t be! You don’t have any roses. Unfortunately, you don’t need them. Your garden has been infected with black spot fungus.

Don’t let the name fool you. Diplocarpon rosae, or black spot fungus, isn’t just a disease of roses[1]. It can attack any plant with fleshy leaves and stems if the conditions are right. You’ve already taken the first step in treating black leaf spot. You’ve been inspecting your garden on a regular basis and you’ve caught it early.

Black spot fungus begins to develop in the spring when temperatures reach into the sixties and the garden has been continuously ...