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陕西省植物保护工作总站日前称,当前,陕西省苹果生长已进入幼果期,病虫害相继发生。近期,苹果主要病虫总体偏轻发生,其中白粉病、蚜虫发生普遍,局部偏重发生,早期落叶病、叶螨类、卷叶蛾类、金纹细蛾等开始发生。早期落叶病:轻发生,轻于去年同期。斑点落叶病铜川市病园率5%,平均病叶率2%,分别低于去年同期的27.4%、4.3%;渭南市零星发生,轻于去年同期病园率28.7%,平均病叶率
Recently, Shaanxi Plant Protection Work Station said that at present, the apple growth in Shaanxi Province has entered the young fruit stage, and pests and diseases have occurred. Recently, the main pests and diseases of apple occur generally lightly, in which powdery mildew, aphids occur generally, local biased occurrence, early deciduous diseases, spider mites, leaf roller moths, gold moth and other began to occur. Early deciduous disease: light, lighter than the same period last year. Blight deciduous disease Tongchuan sickness rate of 5%, the average disease rate of 2% leaves, respectively, lower than the same period last year, 27.4%, 4.3%; Weinan City sporadic, lighter than the same period last year, 28.7%