Causes of the withered leaves of fine-leaf cigar flowers The prevention measures for the withered leaves of fine-leaf cigar flowers, also known as cigargrass, is a plant with extremely high ornamental value. Its unique leaf shape and beautiful flowers are deeply loved by gardening enthusiasts. Love, but the problem of withered leaves of fine-leaf cigar flowers often troubles the conservators. This article will conduct an in-depth analysis of the reasons for the withered leaves of fine-leaf cigar flowers, and provide corresponding prevention and control measures to help horticulture enthusiasts solve this problem. Reasons for the withered leaves of fine-leaf cigars 1. Improper water management Fine-leaf cigars require high water, but too much watering will lead to hypoxia in the roots, which in turn causes withered leaves. Insufficient water will also cause the leaves to wither.
2. Insufficient light, fine leaf cigars require sufficient sunlight. If they are exposed to a dark environment for a long time, the leaves will easily turn yellow.
3. Soil problems The soil is too hardened, poor drainage or insufficient fertility, which may cause the leaves of the fine-leaf cigar flowers to turn yellow.
4. Pests and diseases attack common pests and diseases such as red spiders, aphids, etc., which will absorb nutrients from plants and cause leaves to turn yellow.
5. Improper fertilizer application Excessive application of nitrogen fertilizer will cause plants to grow too vigorously and cause leaves to turn yellow; lack of necessary trace elements will also cause leaves to turn yellow. Prevention and control measures for withered leaves of fine-leaf cigars 1. Reasonable watering According to the growth habits of fine-leaf cigars, keep the soil moist but not wet. When high temperatures in summer, the number of watering should be appropriately reduced.
2. Properly increase the light and place the fine-leaf cigar flowers in a sunny place to ensure that they receive at least 4-6 hours of direct light every day.
3. Improve soil Select soil with good drainage and moderate fertility, regularly loosen soil to increase soil permeability.
4. Regularly inspect plants to prevent and control pests and diseases, and take timely measures when pests and diseases are discovered. Biopesticides or physical methods can be used to control them.
5. Reasonable fertilization According to the growth stage and needs of plants, reasonably apply fertilizers, avoid excessive application of nitrogen fertilizer, and appropriately supplement phosphorus, potassium fertilizer and trace elements.
There are many reasons for the withered leaves of fine-leaf cigars, including factors such as water management, light, soil, pests and diseases, and fertilizers. After understanding these reasons, corresponding prevention and control measures can be taken to effectively solve the problem of withered leaves. I hope this article can It will help horticulture enthusiasts and let your fine-leaf cigars thrive.
References: [1] Zhang Hua, Li Ming. Cultivation and maintenance of fine leaf cigar flowers [J]. Botanical Garden, 2018, 37 (2): 45-48.
[2]Wang Lina, Liu Yang. Plant pest control technology [M]. Beijing: China Agricultural Press, 2017.