桂花树新芽尖枯萎原因(附解决方法)

植物图片 2019-08-23 09:20

桂花树每年的在9～10月开花，开出来的花朵会散发出一股清香，深受花友们的喜爱，并愿意种植它，那么桂花发的新芽都枯死了，桂花树新芽尖枯萎原因是什么呢，可能是浇水施肥问题造成的，也可能是患上了病虫害，需要改善通风环境，给它充分的阳光，加强管理，喷洒药剂防治。

一、桂花发的新芽都枯死的原因

桂花也可以叫做九里香、金粟的名字，它不仅可以开出来美丽的花朵，还能散发出迷人的芳香，花友们想喜欢养殖桂花，但桂花每次发的新芽很容易死，可能是浇水施肥造成的问题，需要掌握正确的浇水施肥方法，使桂花恢复正常。

很多花友细心的养殖桂花时，发现桂花发的新芽都枯死了，不知道是什么原因造成的，如果不是浇水施肥造成的，很有可能是患上了病虫害，需要改善生长环境，加强管理，剪掉病枝、病叶、病根，喷洒药剂防治即可。

二、桂花树新芽尖枯萎的三种原因及解决方法

1、浇水不当

桂花树比较耐悍，平时不用及时的给桂花树浇水，如果浇水过多，会造成盆中积水，不仅造成桂花树缺乏氧气，还会使根部溃烂，造成桂花树新芽尖枯萎，最后死亡，浇水量少不能及时提供水分枝叶，会使叶子发黄、枯萎，直到死亡。

解决方法：如果浇水过多造成桂花树新芽尖枯萎，需要更换土壤，摆在阳光充分处养殖，需要掌握正确的浇水方法养殖，通常桂花树春秋两季需要每隔3～7天浇一次水，夏天每天浇一次水，冬天每隔10天浇一次水，保持土壤的湿润度即可。

2、施肥问题

桂花树平时养殖时，很多花友桂花树新芽尖枯萎原因是什么，可能是施肥问题，桂花树不用施肥过量，不然会使盆中产生细菌，影响桂花树吸收营养，使桂花树的叶子变黄、枯萎脱落，直到桂花树枯萎死亡，也不能不施肥，不然会造成营养不良，使叶子失去色泽，影响观赏价值。

解决方法：如果是施肥过量造成桂花树新芽尖枯萎的，需要用水灌浇根部，摆在阳光处养殖，然后掌握正确的方式施肥，通常春夏两季需要每隔10～15天施一次腐熟的饼肥液，而秋冬两季可以不用施肥，这样可以使枝叶逐渐恢复。

3、病虫害

桂花树很容易患上叶斑病 、煤污病、黄化病等病害，也会遇见红蜘蛛、蚜虫等虫害，它们会使桂花树的枝叶呈现不规则的病斑，影响桂花树进行光合作用，而且虫害分泌出来的排泄物，会诱发其他的病害，使桂花树新芽尖枯萎，最后全珠死亡。

解决方法：如果发现桂花树的枝叶发现异常现象，需要将它搬移到环境通风，又有充分阳光的地方，需要加强管理，将病原全部处理掉，然后喷洒0.5%的硫酸亚铁溶液，或50%的多·硫悬浮剂800液等药剂防治。

三、桂花树的养殖注意事项

1、充分阳光

桂花树在充分的阳光下，进行光合作用，不仅可以净化空气，通过空气质量，还能帮助桂花树吸收土壤中的养分，促进桂花树开出美丽又芳香的花朵，如果摆在阴凉处养殖，叶子会失去色泽，影响观赏价值，夏天时也需要遮阴。

2、修剪治理

桂花树需要每年的春冬两季给它修剪治理，可以剪掉桂花树的过密、细弱、过长、没有的枝叶，也可以将它修剪成自己喜欢的形态，可以增加桂花树的观赏价值，还能减少养分的消耗，促进桂花树可以开花的枝叶得到充分的养分，开出美丽的花朵。

3、越冬管理

桂花树是非常耐寒的植物，它适合生长在15～28℃的环境下，气温不能低于零下13℃，不然会冻根，冬天可以将它搬移到室内，将气温控制在0～5℃，给它充分的阳光，不要浇水过多，不然会使桂花树的根部冻结，影响正常生长。

通过上文的介绍，相信大家知道桂花发的新芽都枯死、枯萎的原因及解决方法了，及其桂花树的养殖注意事项，希望大家在生活中都能养殖出美丽的桂花树。

专题： 桂花树 桂花
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