Rust is an interesting disease because it requires a host plant, such as cedar, quince or hawthorn to develop. Some spots on. Did anyone answer your enquiry?
In This Series
For a complete background on how to grow apple trees , we recommend starting from the beginning. Additional Resources Plan Ahead for Rainy Weather Wind Injury Symptoms: Can involve injury such as leaning trees, uprooted trees, breaks, tears, or wind-burned foliage. When apples start forming the eggs hatch into maggots and these maggots crawl from inside out, creating the holes. I have a cortland apple tree and when we harvest theapples they have brown streaks Inside the apple have check the outside of apple there is no signs of worm hole or mark.