How to improve the fruit setting rate when pear trees bloom in bad weather?

1. Water in early spring. For mature trees, watering enough water is beneficial to germination, leaf spreading and flower bud differentiation, flowering and fruiting in the coming year.

2. It can be painted white in early spring. The part painted white is mainly trunk, and the sunny side of diseased trees and trunk branches should be painted mainly. Don't paint on shoots or new branches, so as not to burn the shoots.

The formula and usage of whitening agent: 0/0 part of quicklime/kloc-,2 parts of sulfur mixture, 0/0 part of salt/kloc-,2 parts of clay and 36-40 parts of water. First, slake the lime with water, filter out the dregs, pour in the melted salt, and then mix in the stone sulfur mixture and clay. Salt mainly deliquesces, which can prevent dry cracking and peeling after coating, clay plays an adhesive role, and the mixture of sulfur and stone can also kill overwintering eggs and prevent pests and diseases. Coating liquid preparation should be dry and thin, and it is advisable not to lose when brushing. Brush your teeth carefully, so that the whitening agent can penetrate into the skin joints, especially the diseased branches, bark joints and branches.

3. Artificial pollination.