Hot and humid conditions can lead to mildew and mould in many plants

By Geoff Hicks
Updated January 14 2022 - 6:04am, first published 5:58am
MILDEW: Vegetables like cucumbers can fall victim to mould and mildew.

Gardening with Geoff Hicks

The hot weather, followed by humid, showery days is ideal for the formation of powdery mildew and black spot, on a wide variety of plants. Powdery mildew is easily recognised by the appearance of a covering similar to talcum powder over the leaves, stems and flower buds. Leaves covered with powdery mildew will become misshapen and eventually wilt and collapse. Flower buds will often fail to open properly. Vegetables affected by powdery mildew will give very low yields of fruit.

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