Causes of black rot in quiet night
Black rot
Black rot often occurs in the crown and stem at quiet night. Plants rot from the inside and the stem turns black, resulting in water in the leaves and the plant falling down p>
Cause
Black rot is generally caused by fungal infection caused by excessive watering or excessive humidity in the breeding environment and airtight basin soil. Fungi refer to Fusarium oxysporum. Once the plant is infected, if the control measures are not timely, the disease will spread rapidly p>
In addition, Fusarium often causes a variety of disease symptoms such as root rot, stem rot, stem base rot and flower rot. the most suitable temperature for the disease is 27 ℃ to 32 ℃. The disease tends to ease at 20 ℃ and no longer occurs below 15 ℃ p>
So in summer, we should pay attention to whether the quiet night at home will be sick p>
Treatment of black rot in quiet night
Beheading
Cut off the rotten part until the stem of the plant shows its normal color, and then put it in a cool and ventilated place to dry the wound. Cut off the head can be inserted, and the broken leaves can be inserted. Make more use of it p>
Use bactericide
Plants can be disinfected by applying bactericide after decapitation. Before cutting, disinfect the culture soil with bactericide before cutting. It is best to dry the soil and send roots p>
Ordinary maintenance
In order to prevent black rot, we must pay attention to watering in peacetime maintenance at quiet night, as well as the permeability of soil and the drainage of flower pots. Especially in rainy and humid weather in summer, it is best not to let the quiet night get wet. In addition, in summer, we should also avoid exposure to the sun, shade properly and pay attention to ventilation< span>