Recently, rise as air temperature, the willow garrulous of Beijing began all over the sky to flutter again.
Ave lane became such:
Such:
And such:
The flying catkins picture that the netizen films in Beijing street
Many netizens breathe out continuously: "Be in Beijing, have catkin of a kind of Xue Jiaoyang " , "Simply cannot Fu is sucked " ...
More the netizen says: "I and willow garrulous absolutely irreconcilable! "I and willow garrulous absolutely irreconcilable!!
Does flying catkins have year after year for what?
Where do letting the flying catkins that the person is fed up with come after all? Why the city such as Beijing is annual metropolis perplexed by this problem?
Small new consult data discovery, flying catkins is actual the ramification that is seed of female willow tree, it is taking a seed to wave along with wind medicinal powder, a kind of natural and developmental means that is offspring of willow tree multiply, have apparent seasonal and periodic.
The willow tree that Beijing has flying catkins is main to go up century 60-70 time is cultivated, chinese city afforest still is in at that time start level, urban afforest funds is devoted and limited, and optional tree is planted opposite less.
Poplar and willow are being depended on suit Beijing soil is awaited compatibly, breed easily survive and grow speed cost of fast, conserve is inferior wait for congenital advantage, the brunt tree that makes Beijing afforest is planted.
Actually, be in early 2005, beijing town district cultivates willow to plant female trunk of a tree no longer. Nevertheless, although willow cultivates year after year of gross of female individual plant to drop, but the existent gross that willow plants female trunk of a tree is very big still. So whenever spring, the citizen can get the worry of flying catkins.
Data chart: Swirling willow garrulous waves fall in the Shi Jingjing on flower to photograph
Treat flying catkins to you can rely on cleaner only?
How is so much flying catkins administered? Cerebral hole is large the netizen gave out all sorts of proposals.
Somebody suggests to change in willow garrulous eat off it before Mao Mao, somebody suggests call destroys bully start shooting points to eliminate willow garrulous, return somebody to suggest to use Dai Sen (brand of cleaner of some family expenses) suck willow garrulous...
Eliminate flying catkins to you can rely on cleaner only really?
Actually, in recent years gardens afforest branch also thought many way, through a variety of means concentration administers flying catkins.
This includes to pass among them transform, belt of construction afforest segregation, form effective stereo buffer, the adsorption that increases pair of willow flying catkins stops ability; Through inject " curb spends " bud depressor controls flying catkins; Achieve the goal that stops flying catkins through giving the male on the engraft of female individual plant that produces flying catkins the method of limb; The time that focuses in flying catkins paragraph inside, use high-pressured gun to rinse, clear in time collect the measure such as flying catkins, avoid flying catkins to follow wind drift again.
Data chart: Through chemical curb the flower administers flying catkins. Jin Shuo of new network reporter is photographed in
Nevertheless, gardens expert is accepted before this small new when interviewing, emphasize, solve the basic problem of willow flying catkins, depend on transforming existing willow standing forest stage by stage, seed selection does not have breed of garrulous little long-winded or willow male individual plant admirably, or replace comfortable unripe agrestic and macrobian tree to plant, diversity of ceaseless and rich biology and tree are planted diversity.
Current, some technologies measure belongs to measure of take temporary solution, if water of gush of clip, high pressure, female flower is scanty,divide, depressor of truncal inject flying catkins, put in certain technical limitation.
Chop a tree to you can effect a radical cure problem?
Since female willow cultivates be generation flying catkins " culprit " , them is all fell trees is dropped get effect instantly solves a problem?
Small new discovery the person of this kind of viewpoint also is not in hold a few:
Nevertheless, look in the expert this kind of practice is not desirable!
Shen Guofang of academician of Chinese Academy of Engineering is accepted before this small new when interviewing, express, the zoology action that willow upholds is more than the influence of flying catkins far, ten million of processing willow flying catkins cannot be chopped.
Analysis of Shenyang country boat says, amount of breed of Beijing willow tree is very much, and had formed large tree mostly, if a large number of cut down divide these tree, meet those who cause urban environment quality and landscape drop, cause more severe zoology loss.
Also a few netizens suggest to change willow tree into the tree such as French phoenix tree, ginkgo to plant. But look in the expert, this kind of operation also has corrupt practice.
For example, the fructification of French phoenix tree flies Mao Ye causes an effect to sensitive crowd, additionally be deceived awaits an effect, this one tree is planted the survival rate that is in Beijing is relatively inferior; And ginkgo is gemmiparous late, fallen leaves is early, green period shorter.
Under photograph comparing, willow is cultivated more " sturdy " , the way corp is growing is better also.
Person of outstanding talent of data chart fierce is photographed
Actually, flying catkins processing and tree plant replace had been in carry out stage by stage.
Be in early 2015, bureau of forestry of countrywide afforest committee, former state allotted jointly " the announcement that processing of flying catkins of good about doing willow works " , emphasize each district wanting to manage a principle according to apanage, responsibility of farther aggrandizement government, combinative place is actual, science makes willow flying catkins administer a program.
In local level, it is with Beijing exemple, according to plans " 935 " period whole town will be mixed in town greenbelt, park the each gardens afforest such as afforest of new rural area builds a project in, according to the principle of comfortable ground comfortable tree, scientific choice and configuration tree are planted, the abundance that raises species is spent, use willow to plant female trunk of a tree no longer, put an end to the happening of willow flying catkins from fountainhead.
Data chart: Whenever spring, chinese north flies violently more with respect to meeting poplar garrulous. Wu Junjie is photographed
Prevent flying catkins allergy what to note there is?
Willow garrulous won't produce too big effect to most healthy person, but the person of a few special constitutions may produce allergy, occurrence pharynx ministry, nasal cavity is unwell, the eye is urticant, voice is urticant wait for a symptom, easy feeling crowd returns the more serious expression such as meeting occurrence asthma.
Look in professional doctor, the following measure can avoid flying catkins effectively to cause harm to human body:
1, easy feeling crowd decreases as far as possible in flying catkins season outside, piece go out the guaze mask with wear sealing better.
2, close good door window, can install indoor air purifying device conditionally, reduce willow garrulous indoors float.
3, do not dry clothings, clothes in the air outdoor, lest be infected with pollen.
4, undertake nasal cavity is cleaned more, reduce rhinal secretion and willow garrulous remain.
5, the multitude that has allergy history is undertaking desensitization is treated at ordinary times, in order to reduce individual the reaction to willow garrulous.
