杏树腐烂病及其防治１９９４年春，我们在本地的杏梅园里发现了杏树腐烂病，同时采取了治疗措施，取得较好效果。现简介如下。杏树腐烂病从初春至晚秋均可发生，以４－６月发病最盛。主要危害主枝、主干。杏树染病后，初期症状比较隐蔽，病斑形状不规则，以后表皮渐变紫褐... Apricot tree rot disease and its control In the spring of 1994, we found the apricot tree rot disease in the local apricot plum garden and adopted the treatment measures to achieve better results. Now the introduction is as follows. Apricot tree rot disease can occur from early spring to late autumn, the peak incidence in April-June. The main harm to the main branch, trunk. Apricot disease, the initial symptoms of more subtle, irregular shape of the lesion, after the epidermal gradient purple brown ...