Powdery Mildew
Powdery mildew grows well in environments with low humidity and moderate temperatures. Greenhouses provide an ideal moist, temperate environment for the spread of the disease.
Spider-Mites
They generally live on the undersides of leaves of plants, where they may spin protective silk webs, and they can cause damage by puncturing the plant cells to feed.
Whitefly
The major harm whiteflies do is indirect. Firstly, they secrete large amounts of honeydew that support unsightly or harmful infestations of sooty mold. Secondly...
Aphids
Aphids are among the most destructive insect pests on cultivated plants in temperate regions. In addition to weakening the plant, they act as vectors for plant viruses...