Key Points of Agricultural Control Techniques for Pear Orchard Pests and Diseases

Mainly apply organic fertilizer and inorganic compound fertilizer to enhance the tree's disease resistance and worsen the nutrition of piercing-sucking pests; control the application rate of nitrogen fertilizer to inhibit the reproduction of pests such as phytophagous mites and aphids, and reduce the harm of diseases such as ring rot and scab; pay attention to water control and drainage in the later part of the growing season to prevent excessive vegetative growth, so as to avoid serious occurrence of freezing injury and rot disease; strictly thin flowers and fruits, maintain a reasonable load, and keep the tree vigor strong; before bud break, scrape off the cracked and old bark on branches and trunks, clear away dead branches and fallen leaves, and eliminate overwintering pests and diseases; in the growing season, remove diseased and pest-infested leaves and fruits as early as possible, and in combination with pruning, cut off diseased and pest-infested branches; plant beneficial plants between pear tree rows and around the pear orchard to increase species diversity, improve the effectiveness of natural enemies, and control the occurrence of secondary pests and diseases; do not mix-plant with other fruit trees such as apple and peach, so as to avoid aggravating the harm of secondary pests and diseases; do not plant juniper in the orchard area, so as to effectively prevent the epidemic of rust disease.