Lichen in the garden and the reasons for its appearance

The appearance of lichens on trees and rocks is often a concern for gardeners. These amazing organisms, which are a symbiosis of fungi and algae, are able to survive in the harshest conditions and colonize almost any surface.The widespread belief that lichens are parasitic on plants is a misconception. In fact, these ancient organisms use trees and stones only as a substrate for growth, without directly harming their "hosts".Environmental indicators of the garden The presence of lichens in the garden can tell an attentive observer a lot of interesting things about the ecological condition of the site. These organisms are extremely sensitive to air pollution and changes in the microclimate. Their appearance often indicates:- High humidity - Absence of industrial pollution- Stability of environmental conditions - Good illumination of the site- Favorable temperature regime Understanding these signals helps to better assess the condition of the garden plot and make the right decisions on its arrangement.The mechanisms of propagation and growth of lichens reproduce mainly vegetatively, spreading their particles with air currents and rainwater. Once on a suitable surface, they begin a slow but steady growth. The rate of their development depends on many factors, including light, humidity, and temperature.The most active distribution of lichens is observed during periods of high humidity. Spring rains and autumn mists create ideal conditions for their growth. Moreover, each type of lichen has its own preferences according to the type of substrate and lighting conditions.Interestingly, lichens are able to enter a state of suspended animation under unfavorable conditions. During the dry period, they can lose up to 90% of moisture, but at the same time remain viable and resume growth when suitable conditions appear.The massive appearance of lichens on trees often coincides with the weakening of plants, which creates the illusion of their parasitic effects. However, the connection is reversed here – weakened trees with slow bark growth create more favorable conditions for the development of lichens.The main factors contributing to the spread of lichens in the garden:- Stagnation of air and high humidity- Thickened tree plantings- Insufficient plant nutrition- Mechanical damage to the bark- Age-related changes in plants. A proper understanding of these factors allows us to develop an effective strategy to control the number of lichens without harming garden plants.The natural balance and the presence of lichens in the garden should be considered as part of the natural biological diversity. These organisms play an important role in the processes of soil formation and the creation of a microclimate. A moderate number of lichens does not require active intervention.If it is necessary to control the number of lichens, it is worth focusing on improving the growth conditions of the main plants. Healthy trees with active bark growth naturally limit the spread of lichens. The minimum deposit to activate the sports welcome bonus is just $1, making it very accessible. A player who uses promo code for 1xbet start with a tiny investment and still receive 100% bonus up to $130. For the casino package, the minimum deposit is $10 per stage. Depositing less than these amounts means the welcome bonuses will not be activated. The maximum bonus amount depends on your deposit size — the more you deposit, the more you receive, up to the advertised limits.