The invention discloses a tree vigor strengthening-based apple rot prevention and treatment method. The method comprises the following steps: carrying out autumn base
fertilizer application in the middle of September, and on the basis of original
fertilizer application, additionally applying biological
organic fertilizer and potassic
fertilizer to 10-year-old or older trees; smearing tree trunks and boughs with a tree
nutrient solution respectively in the middle of March, in the middle of June and in the middle of August; delaying the
pruning date to shorten the
wound healing time and decrease the
wound infection probability, and protecting pruned edges in time; spraying water to clean the garden respectively in the early March and the late October to decrease the number of
bacteria on tree bodies and increase
nutrition in the tree bodies; scraping off black
scars, and whitewashing the tree trunks to prevent and treat
freeze injury and reduce rot. Based on tree vigor strengthening, the resistance of the tree bodies is enhanced; the method is a comprehensive prevention and control method taking prevention as a main measure and black scar scraping as an auxiliary measure; in a prevention and treatment process, by increase of the
nutrition in the tree bodies, cleaning of the garden with green
pesticide to decrease the number of
bacteria on the tree bodies and great reduction of the use amount of chemical
pesticide, the aim of green prevention and control is fulfilled, the rot prevention and
treatment rate is 95 percent or above, and the effect is obvious.