If you know this, you really understand the willow cups …
Original title: Knowing this, you really understand the willow cups … "There is no wind to the ground, and the wind is full.
Yuanqu is like snow, Mo is close to Mao. "The Tang poetry recited from a young age seemed to be a mystery, and the mystery was catkins. The spring day was all good, only catkins were annoyed. Recently, the pills are flying every day, which is really annoying. More than ten provinces (autonomous regions, municipalities) in the north, which are commonly planted, have obvious seasonality and periodicness. When will the willow flael be blowing in the year? Willow catkins are so annoying, why are there so many poplar trees so many poplar trees? Willow trees? Will the willow wool be treated? Knowing this, you really understand the willow flael! The willow willow trees that will be floating are male and female, and the willow willow wool is the seed hair of the plant and female plant. Female plant.
Generally, it starts from April to May. This is the seeds of the Yangliu family that spread their seeds with the help of wind.
The poplar fluttering period is about 10 days earlier than the willow. At 10 o’clock-16 o’clock, the high incidence temperature, sufficient light, and dry air are conducive to the flutter of the willow willow.
Generally, at 10:00 to 16, the high incidence of flying flies should be avoided as much as possible to avoid going out during this time.
The willow willow may induce allergic willow willows every time they fly. They will get into people’s eyes, nostrils, and ears. They may induce allergic or respiratory diseases. Symptoms such as itching of the skin, redness of the eyes, itching nose, and runny cough.
Willow willow is flammable. Be careful not to look at the inconspicuous eyebrows, but it contains a large amount of oil, which is flammable, which is ignited in 2 seconds.
Recently, there have been related alarms in many places across the country, and firefighters rushed to extinguish the fire. For example, in a park in Wuxi, Jiangsu recently, someone was thrown up after smoking, causing the catkins accumulated on the ground, causing the lawn to fire. Therefore, we must pay attention to prevention. Organize the willow of willow wool in time, and smokers should not throw cigarette butts anywhere. For those who are allergic to the willow wool, outdoor exercise should try to choose a period of less flying, such as early morning, night or after rain.
Remember to protect the full armed for all arms, wear masks, goggles, hats, long -sleeved jackets, and try not to wear jackets that are easy to adhere to flying flocculent materials, and minimize the exposure of the eyes, mouth, nose, and skin. Go home to clean the nasal cavity and change clothes. Do not dry your clothes outdoors to prevent the willow wool from being contaminated on the clothes. Why plant so many poplar willows in the north of the north of many places in the past, there are often wind and sand attacks in the past, to force the trees and strengthen urban greening in order to resist wind sand. The poplar and willow trees have strong adaptability, easy breeding, fast growth rate, and low maintenance costs. It has become the most important tree species in northern greening and is a hero of improving the ecological environment. For example, Beijing, the existing willow trees are mainly planted in the 1960s and 1970s. At that time, the greening of Chinese cities was still in its infancy, and there were relatively few optional tree species. In addition, the poplar trees are tall and upright, and have a good shading effect. The willow trees are graceful, leaf falls late in winter, germination early in spring, and have good landscape effects. At the same time, willow trees also have significant ecological functions such as interpretation of oxygen -solid carbon, cooling down and dampness, bacterial sterilization, and absorbing toxic and harmful substances.
In order to reduce the impact of Yangliu Flying, some cities such as Beijing have attached great importance to the key areas that have attached importance to the influence on the influence of Yangliu Feixu.
Mainly these governance methods: 1. All chopped? Many people who are unrealistic feel that willow willow wool is too annoying, and it is better to cut it all.
However, the poplar willow tree is the hero of urban greening. Considering the ecological and cost, it is not realistic to simply and rudely cut the willow -lumin female plant. In the future, it can gradually eliminate aging and degraded willow trees to optimize the configuration tree species. 2. During the afforestation and greening, a variety of male plants and less female plant garden greening departments continue to carry out the willow -willow female plant resource inspection, identify the mark, and establish a female plant resource database. Because all the female plants are floating, in the future, in the construction of various gardens such as urban green space, parks, and new rural greening, a variety of male plants and few female plants are scientifically configured to create multiple tree species and varieties. The combined mixed forest model combined with Qiao Guancao increases the diversity of garden green tree species, improves the richness of species, and achieves high -quality development of garden greening. 3. Inhibit the development and maturity of female plant seeds through injection of chemical agents.
Some scientific research units are also exploring genetic improvements in the willow -lumin female plant, hoping to use gene silencing technology and gene editing technology to inhibit the development of female plant fiber hair, and cultivate less hair or hairless willow varieties.
4. Rinse some cities with water will also use high -pressure water guns to rinse and sparse branches of the willow trees, which can avoid "secondary flutter" to a certain extent.
Author: Wu Lirong Source: Xinhua News Agency, China Weather Network, People’s Daily, Science Popularization China WeChat public account, China Fire WeChat public account.