Common diseases of King Protea: root rotSymptoms of King Protea root rotRoot rot is a disease that is highly lethal to the king protea. Caused by root rot fungi. Warm, humid climatic conditions, especially in the summer, favor the disease, which can cause sudden death, yellowing, and slow growth in plants of any age. When the soil is wet, the plant may wilt. Prevention and control methods of king protea root rotRoot rot is generally caused by root rot fungi brought in from the soil. Therefore, when breeding, it is necessary to disinfect the soil first, starting from the source. Once the plant is infected, it is necessary to carry out continuous sterilization treatment according to the symptoms, or contact a local plant protection expert for maintenance. Common diseases of King Protea: leaf spotSymptoms of Emperor Mosaic Leaf SpotThe king protea suffers from leaf spot disease, with oval and long light reddish-brown spots on the leaves, surrounded by green circles, which later expand into large irregular patches with black spots on them. Prevention and treatment methodsRemove diseased leaves and spray pesticides in time. It can be sprayed with 500 times diluted 50% thiophanate wettable powder. The leaf spot disease of the king protea is easy to control. After cutting off the diseased leaves, spraying the pesticide can prevent and control it. However, it must be dealt with in a timely manner. It is too late to regret when the spots have covered 50% of the leaves before taking measures. Root rot and leaf spot diseases of the king protea are prone to occur in summer, so summer maintenance measures must be in place. Strengthen ventilation, keep the growing environment cool and comfortable, check the plants more often, and carry out necessary sterilization and disinfection. |
<<: Common diseases of snapdragon and their prevention and control methods
>>: Diseases and pests of Osmanthus fragrans and their control methods
Plums are grown Generally, plums grow in a relati...
Hyacinth watering tips Hyacinth is native to the ...
From the botanical point of view 1.Magnolia is a ...
Pruning of pepper trees Pruning the Chinese prick...
Cymbidium orchid growth conditions For large-leaf...
Appreciation value Tillandsia is a plant of the B...
1. Orchid flowering time The flowering time of or...
Cyclamen is relatively afraid of water. Because i...
Growth habit They prefer deeper soil, and it is b...
Broccoli, also known as green cauliflower, brocco...
Can lychees be grown in Hunan? Litchi can be grow...
How to raise For hydroponic Monstera, you need to...
Amaryllis division time Amaryllis, also known as ...
Dendrobium candidum , also called butterfly dendr...
Olive tree growth environment and conditions Oliv...