· Blueberry stemblight, caused by the fungus Botryosphaeria dothidea and related species, is the primary disease limiting establishment of blueberry plantings in southeastern North Carolina. Both highbush and rabbiteye cultivars are susceptible to this disease. · Since its first documented outbreak in North Carolina, USA in the 1950s, Botryosphaeria stemblight has been reported in the blueberry production regions of more than nine countries across five continents. The single most important factor for stem blight management is good irrigation practices. Drought stress can quickly lead to severe and widespread stem blight problems. This has been well-documented for many crops affected by pathogens in the Bot. family, and research has shown that the effects of drought stress can continue to increase disease lik...See full list on edis.ifas.ufl.eduStemblight is often a secondary issue that follows another disease or pest. If stemblight becomes an issue in a field, check for and address these other contributing issues as part of a stemblight management plan. Look for diseases that affect the root systems of blueberries, because they can reduce the ability of plants to take up water, which ...See full list on edis.ifas.ufl.eduFungal leaf diseases do not directly lead to stem blight problems; however, defoliation after harvest and before flower bud initiation in fall causes plant stresses and lowers yield the following spring. Severe defoliation that leads to carbohydrate stress during the next bloom and fruit cycle has anecdotally been associated with increases in stem ...See full list on edis.ifas.ufl.eduThe following practices may help reduce disease in some cases but do not offer acceptable control unless other stresses and inputs (above) are also addressed. Use healthy, vigorous plants that are free from disease when purchased; if they look questionable or have dieback, don't use them. During and after establishment, removing dead or dying plant...See full list on edis.ifas.ufl.eduMar 13, 2023 · The following blueberry stem blight info contains facts about symptoms, transmittance, and treating blueberry stem blight in the garden. Click here to learn more. Brown pith in the center of the stem indicates cold injury. In winter, hand-remove cold-injured shoots in 2- & 3-yr-old fields before infection and wilting can occur. Roots and crowns buried by years of repeated tillage in an attempt to correct drainage AFTER the bushes were planted. Evaluating fungicides for control of stemblight in blueberries, 2023. The experiment was conducted in a mature blueberry planting at the Southwest Michigan Research and Extension Center (SWMREC) in Benton Harbor, MI. · Blueberry stemblight (dieback), caused by the fungus Botryosphaeria, is the most common disease causing death of young blueberry bushes in the southeastern United States. · The following blueberry stem blight info contains facts about symptoms, transmittance, and treating blueberry stem blight in the garden. Click here to learn more. Brown pith in the center of the stem indicates cold injury. In winter, hand-remove cold-injured shoots in 2- & 3-yr-old fields before infection and wilting can occur. Roots and crowns buried by years of repeated tillage in an attempt to correct drainage AFTER the bushes were planted. Evaluating fungicides for control of stemblight in blueberries, 2023. The experiment was conducted in a mature blueberry planting at the Southwest Michigan Research and Extension Center (SWMREC) in Benton Harbor, MI. · Blueberry stemblight (dieback), caused by the fungus Botryosphaeria, is the most common disease causing death of young blueberry bushes in the southeastern United States.
