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黄叶是茉莉在养护管理过程中的一种常见现象,其发生原因及防止措施如下:①水分过多连续浇水过多,致使根部呼吸困难,甚至窒息腐烂。表现症状为叶片由下向上渐渐变黄脱落。预防措施为适当浇水,切忌大水连续猛浇。如因浇水过多已造成黄叶,要马上停水,并将花盆移于通风半荫处垫高,扒松表土,以利水分散失,或扒去部分表土,换上干土,以利吸水散温。待盆土干透后再浇小水逐渐湿润,并多次喷水保持空气湿润。②养分缺乏茉莉喜肥,氮肥不足,易引起黄叶。表现症状为由基部老叶逐渐向上变为淡黄绿色,枯叶呈淡褐色,不易脱落。针对上述情况,要
Yellow leaves is a common phenomenon in the conservation and management of jasmine, its causes and preventive measures are as follows: ① too much water too much continuous watering, resulting in root breathing difficulties, and even suffocation rot. Symptoms of the performance of the leaves gradually turn yellow from the bottom up off. Preventive measures for proper watering, avoid flooding continuous watering. As a result of excessive watering has caused the yellow leaves, should immediately stop the water, and pots moved to ventilated half shade paddy, loose pine topsoil, to facilitate the loss of water, or grilled to remove some of the topsoil, put dry soil to Li absorbent temperature. Pentu to be dry after pouring water gradually wet, and repeatedly spray to keep the air moist. ② lack of nutrients jasmine hi fat, lack of nitrogen, easy to cause yellow leaves. The performance of symptoms from the base of the old leaves gradually turned yellowish green, dead leaves pale brown, not easy to fall off. In view of the above situation, want