Calcium Carbonate

Calcium carbonate is used to help prevent the spread of various diseases, such as powdery mildew, black spot, and blossom end rot. Calcium carbonate (as you may have guessed) bestows plants with a (1) healthy source of calcium, (2) pH balancing properties, (3) increases water retention ability within acidic soils, and (4) encourages absorption of crucial […]

Virus

An infectious agent composed of DNA or RNA, too small to see with a compound micro-scope; multiplies only in living cells. Related Images:

Sooty mold

Common name given to a condition that is not truly a disease, but a black coating on leaves, branches and fruit made up of a fungal growth that is usually dark colored and powdery-like, giving it the name sooty mold. These fungi are saprophytic, that is, they do not feed on live plant tissue, but […]

Sclerotia

Seed-like, compact masses of fungal tissue that allow fungi to survive unfavorable conditions. Related Images:

Rot

Decomposition and destruction of tissue. Related Images:

Rust

Fruiting structure of certain family of fungi. Raised pustules on leaves, stems, and fruits; contain yellow-orange or rust-colored spore masses. Related Images:

Root and stem rot

Soft and disintegrated roots and lower portions of the stem; sometimes results in death of the plant. Related Images:

Powdery mildew

Fine, white to gray, powdery fungal coating on leaves, stems, and flowers. Related Images:

Plant pathology

The study of diseases in plants: what causes them, what factors influence their development and spread, and how to prevent or control them. Related Images:

Pathogen

Any organism that can cause a disease. Related Images: