Jan 5, 2024 · Core rots are caused by various fungi. The most susceptible cultivars are Delicious, Golden Delicious, Gravenstein, and Idared, which all have an open sinus extending from the …

Jun 2, 2023 · The fruit rot phase of the disease is bitter rot. Symptoms usually appear on the side of the apple directly exposed to the sun as small, circular brown lesions that change to …

Mar 31, 2021 · In this guide, we’ll cover the most common apple diseases, how to identify them, and what action to take. There are two very serious apple diseases caused by bacteria. One is …

Bitter rot is a common fruit rotting disease of apple (and pear) that occurs in all states where apples and pears are grown (Figure 1). Bitter rot is caused by the fungi, Colletotrichum …

Oct 28, 2022 · Black rot is a disease of apples that infects fruit, leaves, and bark caused by the fungus Botryosphaeria obtusa. It can also jump to healthy tissue on pear or quince trees but is …

Aug 30, 2020 · In apples it may infect fruit early in the season without showing, but the rot begins to spread in the warm weather as the fruit matures and shows as circular brown areas. Brown …

Fruit infections (sprinkler rot) of pear and apple was widespread in the Wenatchee River Valley of Washington when overhead sprinklers were common (1992–1999). Dr. Grove and colleagues …

Jan 12, 2025 · Apple bitter rot is caused by various Colletotrichum spp. that threaten apple production globally resulting in millions of dollars in damage annually. The fungus causes a …

Aug 2, 2019 · Apple black rot and frogeye leaf spot can devastate apples and crabapples. However, you can minimize the damage. Learn how now!

Aug 19, 2021 · One of the most common fruit rot diseases that apple growers encounter is black rot. This disease is caused by a fungal pathogen (Botryosphaeria obtusa). Symptoms appear …