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杜仲(Eucommia ulmoides Oliv),树皮入药。今年4月,我们发现荆门市姚河乡匡坡村鹰子凸药物种植场的25亩杜仲苗在两叶一心期,许多苗株下部叶片的叶尖和叶缘呈淡褐色病斑,茎上呈梭形褐色病斑,造成茎部腐烂,植株折(?)死亡。据报道,植株感染灰霉病。(一) 试验与防治我们将圃地划出二小块,分别用灭病威(广州株江电化厂)6‰(g/g):抗枯宁(山西临猗县科委激素推广公司)1.3‰(ml/g)每隔三天喷洒一次,连续二次,发现用抗枯宁喷洒,返青达98%,而用灭病威,继续蔓延。
Eucommia ulmoides Oliv, bark medicine. In April of this year, we found that 25 mu of Eucommia seedlings in the 25-acre Eucommia plantation at Marina Village, Marina Village, Yaohe Township, Jingmen City were light brownish spots on the leaf tips and leaf margins of the lower leaves of many seedlings. Fusiform brown spot, causing stem rot, plant folds (?) Death. Plants are reportedly infected with gray mold. (A) Test and Control We will draw two small plots, respectively, with virulent (Guangzhou Zhujiang Dianhua Chang) 6 ‰ (g / g): anti-dry Ning (Shanxi Linqu County Hormone Promotion Company) 1.3 ‰ (ml / g) spraying once every three days, two times in a row, found to be sprayed with anti-Ku Ning, Huiqing up to 98%, and use off sick Granville, continue to spread.