Reasons for the black leaves of green radish trees. Green radish trees are a common indoor leaf-viewing plant. Green radish is deeply loved by people for its shade resistance and easy to feed. Many green radish lovers will encounter the problem of black leaves of green radish trees during the maintenance process, which not only affects the ornamental value of green radish trees, but may also endanger the growth and health of green radish trees. This article will conduct an in-depth analysis of the reasons for black leaves of green radish trees and provide corresponding prevention and control methods to help you restore the vitality of green radish trees. Reasons for black leaves of green radish trees 1. Insufficient light Although green radish is resistant to shade, long-term exposure to a dark environment will lead to poor growth and dark leaves. This is because green radish requires a certain amount of scattered light to synthesize nutrients.
2. Improper watering. Too much or too little watering will cause black leaves of green radish trees. Too much watering will cause hypoxia in the roots. Too little watering will dry the soil and lose water in the leaves.
3. Improper application of fertilizer Excessive application of fertilizer or improper application of fertilizer will cause black leaves of green radish trees. Excessive fertilizer will cause excessive soil salinity and affect plants 'absorption of water and nutrients.
4. Infection by pests and diseases is one of the important reasons for the black leaves of green radish trees. Common pests and diseases include aphids, red spiders, scale insects, etc.
5. Environmental factors such as excessive indoor and outdoor temperature differences and air pollution can also cause black leaves of green radish trees. Prevention and control methods of black leaves in green radish trees 1. Adjust the lighting and place green radish in a place with sufficient scattered light to avoid direct sunlight. If the lighting is insufficient, artificial light sources can be used to supplement it.
2. Control watering according to the growth conditions of green radish and soil moisture to avoid too much or too little. Under normal circumstances, it is advisable to keep the soil slightly moist.
3. Reasonably fertilize and choose the fertilizer suitable for the growth of green radish, apply it according to the instructions to avoid excessive fertilization, so as not to cause excessive soil salinity.
4. Prevent and control pests and diseases Regularly check whether green radish has pests and diseases, and take timely measures when discovered pests and diseases. Insecticides or biological control methods can be used to control them.
5. Improve the environment to maintain indoor air circulation, avoid air pollution, appropriately adjust the indoor and outdoor temperature differences, and reduce the impact of environmental factors on green radish.
Black leaves of green radish trees are a common problem during the maintenance of green radish. Understanding the causes and taking corresponding prevention and control measures will help restore the vitality of green radish. By adjusting light, controlling watering, reasonable fertilization, controlling pests and diseases and improving the environment, we can effectively solve the problem of black leaves of green radish trees and rejuvenate green radish.