What is the reason for the stem near the bud of the rose turning black?
A bit of knowledge to share with you why the stem near the bud of the rose turns black, knowledge about flowers. Next, the editor will introduce this topic.
What is the reason for the stem near the bud of the rose turning black?
Roses are a type of flower that we often care for in our lives. So, why does the stem near the rose bud turn black? Let's find out below.
Disease caused
The blackening of the rose stem may be caused by a disease, such as stem blight. In this case, it is necessary to cut off the blackened stem to prevent further spread of the pathogen. Then, treat with a special fungicide spray to restore the health of the rose.
Overwatering
Although roses need plenty of water to grow, they are not tolerant of waterlogging. If watered too much, its roots will rot. As a result, the rose roots cannot absorb nutrients and moisture, ultimately causing the flower stem to turn black. Rose watering should be based on the dryness and humidity of the soil, and it is best to follow the principle of watering when it is dry and wet.
Improper fertilization
The blackening of the rose stem may also be caused by improper fertilization. For instance, using unfertilized fertilizer and concentrated fertilizer can easily cause damage to the rose by the fertilizer, leading to blackening of the flower stem. Therefore, when fertilizing roses, it is best to master the principle of applying frequent light fertilization and stop fertilizing during the dormancy period of the rose.
Hot and stuffy environment
Roses like to grow in a warm and ventilated environment. In summer, the weather is relatively hot. If no ventilation measures are taken at this time, the rose stem in a hot and stuffy environment is also prone to blackening. In this case, it is necessary to promptly reduce the temperature and ventilate the rose.
The above () introduces the small experience of why the stem near the bud of the rose turns black, hoping to bring help to you in your life!