Архивы powdery mildew • Roses and Garden

POWDERY MILDEW & HOW TO WIN

admin — Thu, 15 Nov 2018 19:49:36 +0000

The powdery mildew of roses usually appears in the summer or early autumn. This disease causes the parasitic fungus Sphaerotheca pannosa, which affects all the terrestrial parts of the plant – thorns, buds, young leaves and shoots. In the middle lane, the first signs will appear in the middle of May. A dirty white ′′powder′′ raid appears on the affected organs. In roses, photosynthesis deteriorates, leaves change shape, dry out and fall off. The buds of flowers do not open, but dry up and fall away. Plant shoots die off, and the plant itself looks depressed. Weakened plants may die

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Fighting pests of indoor roses: spider mite, powdery mildew, aphids

admin — Thu, 25 Jan 2018 06:16:23 +0000

If you keep a rose in the house, then prepare yourself for the fact that it can be affected by various pests. You will have to fight with spider mites, aphids, powdery mildew. It is almost impossible to prevent the appearance of a spider mite. It is a lot in the autumn-winter period, when the rooms are dry air. The simplest measure of fighting this pest will be a constant spraying of water on the plant. This parasite does not like high humidity. If it does appear, try washing the plant with warm water and soap. But soap should not

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