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四子王旗烏蘭花苗圃,所培育的楊柳母樹苗,从本年五月开始發生腐爛病,至六月中旬共死掉楊樹母樹苗八十七畝,柳樹母樹苗二百零八畝,共死掉楊柳母樹苗二百九十五畝,为該圃母樹总面積84.28％。与此同时,在武川縣苗圃,察右后旗白山子苗圃,达茂旗百灵庙苗圃,均發現楊樹腐爛病为害現象。我于七月間曾参与过烏蘭花苗圃楊柳腐爛病的檢查工作,認为这类病对楊柳幼樹是具有毁滅性的一种病害,值得找出致病因素,并引起重视。为此將調查結果介紹如下:
Siziwangqi Wulanhua nursery, the cultivated willow seedlings, from May this year, began to rot disease, to mid-June a total of poplar seedlings seventy-seven acres, willow mother seedlings 208 acres, died altogether Two hundred and ninety-five acres of willow mother tree seedlings are 84.28% of the total area of the mother tree in the nursery. At the same time, in Wuchuan County nursery, Chayouhouqi Baishanzi nursery, Bailingmiao nursery, all found that poplar rot disease. In July, I had been involved in the inspection of the willow rot disease in the Wulanhua nursery. I think this kind of disease is a devastating disease to the young willow tree and it is worth looking out for the cause of the disease and drawing great attention. To this end the survey results are as follows: