Stone fruit trees like apricot, cherry, nectarine, peach, plum, and prune are a staple of many backyard gardens and landscapes. Unfortunately, there are a variety of pests that can weaken trees and spoil fruit. Caring for trees correctly and monitoring for pests can help ensure a harvest of healthy, delicious fruit. Watch out for some of these pests and diseases:
Apricot trees need to be pruned in summer instead of fall to avoid a disease called Eutypa dieback. It causes limbs and twigs to wilt suddenly and die.
Peach leaf curl is a disease that affects peach and nectarine trees. Although you may not see symptoms right now in the dormant season in California, it's time to think about treatment, especially if your tree had the disease last year.
Symptoms of this fungal disease include distortion, thickening, and reddening of foliage as trees leaf out in the spring. As weather warms, damaged leaves that die and fall off trees are replaced with new, usually healthy leaves. However, after several years without treatment, peach leaf curl will cause tree decline and reduced fruit production.
Avoid peach leaf curl by growing varieties resistant to the disease. For nonresistant peach and nectarine trees, consider spraying with...
Winter slows down many garden pest problems, but it's also a key time for gardeners to take actions to prevent certain pest problems that occur in the spring. One of the most important of these preventive practices is application of dormant treatments for peach leaf curl.
Caused by the fungus Taphrina deformans, peach leaf curl is a very serious disease, which affects only peach and nectarine trees. Its most distinctive symptom is distortion, thickening, and reddening of foliage as trees leaf out in the spring. Damaged leaves often die and fall off trees but will be replaced with new, usually healthy leaves once the weather turns dry and warmer. A leaf curl infection that continues untreated over several years will...