Book Navigation Links Pears Pear insect pests Codling moth Pear psylla Plum curculio Speckled green fruitworm Twospotted spider mite Diseases Blossom Blast Fabraea Leaf Spot Fire Blight Pear Scab Sooty Blotch & Flyspeck Stony Pit Fruit thinning, branching, and stop-drop of pears Spray Table 1-Late dormant/delayed dormant 2-Swollen bud 3-Bud burst 4-Green cluster 5-White bud 6-Bloom 7-Petal fall 8-Additional summer sprays Minor PGR uses (pears) Nutrient Management Pear bud stages