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散尾葵枝叶婆娑,清新秀丽,常被用来布置宾馆或装点居室,颇具热带气息。然而在冬季养护过程中,常常会出现叶片黄化、继而形成急性褐色坏死斑点、进而从叶尖向下变成茶褐色干枯的现象。许多人不明原因,以为是侵染性病害所致,于是喷洒大量杀灭真菌、细菌或病毒的药剂,结果不仅无效,反而继续加重。后又以为是药害或肥害所致,控制用药用肥,采取相应
San Kwai San Kwai San Yew, fresh and beautiful, often used to layout hotels or decorate the bedroom, quite tropical atmosphere. However, in the process of winter maintenance, leaf yellowing often occurs, and then acute brown necrotic spots are formed, which then turns brown from the tip down. Many people, for unknown reasons, think of infective diseases as a result of spraying large quantities of agents that kill fungi, bacteria or viruses. The result is not only ineffective but rather aggravating. Later thought it was caused by injury or fat, control of medicinal fertilizer, take the appropriate