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…

POWDERY MILDEW

POWDERY MILDEW

Powdery mildew is a disease that affects a wide range of plants, including agronomic crops, fruit, vegetable, and herbaceous and woody ornamentals. It is caused by many different species of fungi. The disease is easy to diagnose as its symptoms are quite distinctive. All powdery mildew fungi require living plant tissue to grow. The important…

PEST AND DISEASES OF FAMILY CUCUEBITS

PEST AND DISEASES OF FAMILY CUCUEBITS

Cucurbits are herbaceous annuals or perennials with a storage root and mostly moist vines. These plants grow either prostrate along the ground or climb using tendrils. Plants rarely grow as trees, shrubs, or bushes. The tendrils can grow branched or simple and generated at the petiole base. There are usually four arched filaments coiling with…