DOWNY MILDEW

DOWNY MILDEW

Downy mildew is a  bunch of closely connected pathogens that may cause major harm within the nursery, greenhouse, and landscape. Some common downy mildew hosts include aster (Aster spp.), alyssum (Alyssum spp.), butterfly bush (Buddleia spp.), coreopsis (Coreopsis spp.), ¬†carrots, hardy geranium (Geranium spp.), Geum (Geum spp.), dead nettles (Lamium spp.), phlox (Phlox spp.), rose…

SCALE INSECTS

SCALE INSECTS

Scale insects refer to a large group of insects common on ornamental trees, vegetable crops, plants, and shrubs. They belong to the superfamily Coccoidea. Hard or armored scales (family Diaspididae), feeling scales (Eriococcidae), soft scales (family Coccidae), ground pearls, or margarodid scales (family Margarodidae), mealybugs (family Pseudococcidae), and other minor groupings are among the more…

SPIDER MITES

SPIDER MITES

Spider mites or red spider mites are common pest problems on many plants. Many crops are host to spider mites; cassava, okra, papaya,  bele,  tomato, sweet potato, eggplant, beans, taro, cucumber, squash, other cucurbits, many ornamentals, and weeds are also hosts. Spider mites are a type of arachnid, but they are not insects, relatives of…

HOW TO GET RID OF MEALYBUGS

HOW TO GET RID OF MEALYBUGS

Mealybugs are worldwide pests of ornamental plants grown indoors (greenhouse) and outdoors (scape environments and conservatories). As well as both greenhouse and field-grown ornamentals are commonly attacked by mealybug. Mealybugs feed on a wide range of plants. Mealybugs are difficult to manage with insecticides and the host plant range depends on the particular mealybug species….