Causes of the wither of red rosewood leaves. Prevention and control measures for the wither of red rosewood leaves With the popularization of urban greening projects, red rosewood has been widely planted due to its unique ornamental value. Recently, many red rosewood leaves have withered, which has attracted widespread attention. This article will provide a detailed analysis of the causes and prevention and control measures of red rosewood leaves to help horticulture enthusiasts and landscape workers find solutions to problems. Reasons for the wilting of red rosewood leaves 1. Disease infection The wilting of red rosewood leaves may be caused by disease infection. Common diseases include powdery mildew, leaf spot, etc. These diseases can cause symptoms such as spots and wilting of red rosewood leaves.
2. Invasion of pests by pests is also one of the causes of the withered leaves of red rosewood. Common pests include aphids, red spiders, etc. These pests will absorb nutrients from the leaves of red rosewood, causing the leaves to wither.
3. Improper water management Improper water management is a common cause of withered leaves of red rosewood. Too much or too little water will affect the growth of red rosewood and cause the leaves to wither.
4. Insufficient light. Red wood needs enough sunlight. If there is insufficient light, the leaves will wither.
5. Soil problems Soil problems can also cause the leaves of red rosewood to wither, such as poor soil and poor drainage. Prevention and control measures for wilting of red rosewood leaves 1. Disease control (1) Strengthen observation, timely cut off the diseased branches and diseased leaves when the disease is discovered, and burn them in a concentrated manner.
(2) Use pesticides for prevention and control, such as difenoconazole, carbendazim, etc.
2. Pest prevention and control (1) Regularly inspect red rosewood and remove pests found in time.
(2) Use pesticides for control, such as imidacloprid, beta-cypermethrin, etc.
3. Water management (1) Water reasonably to keep the soil moist and avoid too much or too little water.
(2) Choose the right watering time to avoid watering during high temperatures.
4. Light management (1) Ensure that Hongrui has sufficient sunlight.
(2) In the case of insufficient light, the planting location can be appropriately adjusted.
5. Soil management (1) Select soil suitable for the growth of red rosewood, such as loose and well-drained sandy soil.
(2) Regularly apply fertilizer to supplement soil nutrients.
There are many reasons for the leaves of red rosewood withering, and control measures also vary according to the cause. Gardening enthusiasts and gardeners should take corresponding control measures based on specific reasons to ensure the healthy growth of red rosewood, strengthen daily maintenance and management, and improve The disease resistance of red rosewood is also the key to preventing leaf blight.
References: [1] Zhang Wei, Li Ming. Research on the control of pests and diseases of Hongrui wood [J]. Plant Protection, 2018, 44 (2): 45-48.
[2]Liu Yang, Wang Lei, Zhang Xiaoyan. Cultivation and pest control of red rosewood [J]. Landscape Technology, 2017, 34 (4): 52-55.