Rotten roots can't be separated from watering. In the cultivation of sunflower, some flower friends are always afraid that sunflower will lack of water, will start desperately to water sunflower, watering too much and too often, will lead to water in the basin, and then make sunflower root hypoxia, start to rot, at this time, sunflower will appear rotten phenomenon.
In the cultivation of sunflower, watering must be appropriate, to meet the needs of Sunflower Growth, watering time to keep the pot soil moist, but do not have water, this can prevent rotten roots.
Too much fertilization is also one of the reasons for the rotten roots of plants, so is the scattered tail sunflower. In the cultivation of sunflower, sometimes afraid of lack of nutrients, will be a lot of fertilizer to sunflower, fertilizer too much, it is easy to lead to soil problems, and easy to burn the root, so that the root began to rot, it will rot.
In the cultivation of sunflower, we must pay attention to the growth habit of sunflower, fertilization is not too much, too much will not promote the growth of sunflower, but will play a negative role.
The root rot of sunflower may be caused by root rot.
The root rot is mainly caused by pathogens, which will start to reproduce when the conditions are suitable for its growth, and damage the root of sunflower, making it pathological, mainly turning into rotten roots. Root rot is very easy to happen when the soil is hardened and the drainage is not smooth.
Therefore, in the cultivation of sunflower, in winter, we should pay attention to the timely destruction of the dead leaves of sunflower, in order to avoid the pathogen overwintering, so that sunflower rotten roots.
