Fruit Diseases

Biology, monitoring and management of tree fruit diseases.

Regular field scouting and weather monitoring are key to achieving the production goals of conserving soil and water, reducing pesticide use, and being good, responsible employers. In this short video, you will learn some basic orchard scouting principles for a common disease – apple scab – and also mite pests and beneficials.

Includes alternaria leaf blotch, apple crown rot, apple scab, bitter rot, black rot, blister spot, blossom end rot, blue mold, brooks fruit spot, crown gall, fire blight, gray mold, moldy core, mucor rot, necrotic leaf blotch, nectria twig blight, powdery mildew, rust diseases, union necrosis and decline, sooty blotch and flyspeck, and white rot.

Includes fireblight of pear, Fabraea leaf and fruit spot, pear leaf spot, pear scab, Phytophthora, sooty mold and stony pit.

Includes anthracnose, bacterial canker, bacterial spot, black knot, brown rot, cherry leaf spot, crown gall, cystospora canker, peach leaf curl, plum leaf spot, plum pox, plum pockets, powdery mildew, rhizopus rot, peach scab, prunus stem pitting, and rusty spot.

Regular weather monitoring and field scouting are important components of integrated management of orchard diseases.

Information to assist growers in selecting chemical controls and timings for tree fruit diseases.

Plum pox virus (PPV) was discovered for the first time in North America in 1999 in a peach orchard in Adams County, Pennsylvania.