Reason 1: Improper watering Reason 2: Reason 3: Reason 3: Reason 4: Reason 5: Improper fertilization With the arrival of spring, many flower lovers have begun to plant various flowers at home in order to decorate the home environment and increase life Fun, during the maintenance process, we often encounter a question: Why do the leaves of flowers turn black and withered? This problem not only plagues the majority of flower lovers, but also becomes a hot topic in the field of flower maintenance. This article will reveal the five major reasons for blackening and wilting plant leaves, and provide corresponding prevention and control measures. Reason 1: Improper watering Watering is an indispensable part of the plant growth process, but improper watering can cause the plant leaves to turn black and withered. The specific reasons are as follows: 1. Excessive watering: The soil is in a moist state for a long time, resulting in hypoxia in the roots and rot in the roots, which in turn affects the normal growth of the plant.
2. Too little watering: The soil is dry and the plants cannot absorb enough water, causing the leaves to turn black and wither.
Prevention and control measures: 1. Control the frequency of watering and keep the soil moist but not wet.
2. Observe the growth status of the plants and adjust the watering amount in a timely manner. Reason 2: Plants with insufficient light need enough light to carry out photosynthesis. Lack of light will cause plant leaves to turn black and withered.
Prevention and control measures: 1. Place plants in sunny places, such as window sills, balconies, etc.
2. In the case of insufficient light, plant growth lights can be used to supplement it. Reason 3: Invasion by pests and diseases is a common cause of blackening and wilting of plant leaves. Common pests and diseases include aphids, red spiders, powdery mildew, etc.
Prevention and control measures: 1. Regularly inspect plants and deal with pests and diseases found in a timely manner.
2. Use pesticides for prevention and control, such as imidacloprid, avermectin, etc. Reason 4: Soil problems Soil problems are also one of the causes of blackening and wilting of plant leaves. The specific manifestations are as follows: 1. Soil hardening: Soil hardening causes the roots to fail to breathe normally, affecting plant growth.
2. Unsuitable soil pH: Unsuitable soil pH will affect the absorption of nutrients by plants.
Prevention and control measures: 1. Regularly loosen soil to improve soil permeability.
2. Use organic fertilizers to adjust soil pH. Reason 5: Improper fertilization and improper fertilization will lead to blackening and withering of plant leaves. The specific reasons are as follows: 1. Excessive fertilization: Excessive fertilization will cause damage to plant roots and affect plant growth.
Insufficient fertilization: Insufficient fertilization causes plants to be unable to absorb enough nutrients, affecting growth.
Control measures: 1, according to the growth needs of plants, reasonable fertilization.
2. Use slow release fertilizer to avoid excessive fertilization.
There are many reasons why flower leaves wither black. Understanding the reasons and taking corresponding prevention and control measures is the key. I hope this article can help the majority of flower friends solve this problem and let your plants grow vigorously. Maintaining plants requires patience and care, paying attention to them. Growth status, timely adjustment of maintenance methods, and on the road of flower maintenance, let us work together to make plants a beautiful landscape at home.