The first flush of growth in spring comes from energy stored in the roots.
Jun 14, Insecticidal sprays – Use insecticidal spray when the flower petals fall to take care of most fruit tree pests. The only exception to this rule for home use is probably the codling moth. To take care of this common insect, spray the trees again two weeks after the petals fall, and one final time in the middle of summer to take care of the second generation of moths that often arrives.
Jan 12, To prevent peach leaf curl, trees must be sprayed with a fungicide after their leaves have dropped and they are dormant.
You must complete dormant spraying before buds begin to swell.
This is usually in late November, or December. If it is a particularly wet winter, a second application of fungicide can be made in early spring, just as buds begin to swell. Here are some tips for specific fruit trees: Apples: Spray copper before fall rains; dormant oil once or twice from January through March; lime-sulfur in January or February (just before buds open) and wettable sulfur just after petal fall.
Apricots: Spray copper before the fall rains and dormant oil Estimated Reading Time: 3 mins. Jul 27, Apply general purpose fruit tree spray at one- to two-week intervals following key plant development observations. The first application is at green tip, followed by pre-bloom, full pink, petal Estimated Reading Time: 8 mins. While your tree is blooming, watch closely for signs of petals dropping. When about 90 percent of the petals have fallen, don't hesitate: spray your tree with a combination spray to control both diseases and insects.
Spray with the same product again one week later, taking care to completely cover both the upper and undersides of all leaves.
Apply it thoroughly to destroy chronic pest and pathogenic agents when temperatures will be constantly above freezing for a few days.
Wait for the leaves to fall completely on most fruit trees before beginning your dormant season inspection. Look the tree over carefully for unusual growths, cracks in the bark that may be weeping.
Nov 30, Fruit Tree Care in Winter. After winter pruning, your winter treatment of fruit trees continues with spraying in order to control pests and diseases.
Dormant oil sprays are not toxic to humans or pets, but they work wonders on apples, plums.