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苹果生理落果后炭疽病的发生与防治苹果炭疽病又叫苦腐病，发生普遍，危害性最大，尤其是夏季多雨年份，危害更重，直接影响着苹果的产量和品质。病果症状：苹果炭疽病主要危害果实，初发病时，产生褐色针尖大小斑点，逐渐扩大成圆形病斑，边缘清晰，颜色也逐步加深，病斑...
Occurrence and Control of Anthracnose in Apple Physiological Deciduous, also known as bitter rot, occurs universally and has the greatest harm, especially in the rainy summer months, which is more harmful and directly affects the yield and quality of apples. Symptoms of disease: apple anthracnose main harm to the fruit, the first incidence, the size of brown needle spots, and gradually expanded into a circular lesion, the edge is clear, the color is gradually deepening, lesions ...