Shanghai refreshed the "record" again. Why did the osmanthus period messy in the past few years?National Day will usher in the best periodic viewing period →

Osmanthus seems to be in Xiangman City overnight

These two days

Many Shanghai netizens have exposed it

"The first ray of osmanthus fragrance this autumn"

In fact, this year's osmanthus is long overdue this year

Refresh the "latest record" again

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Jiefang Daily · Shangguan News reporters learned from the Shanghai Botanical Garden that the early silver and Gui of the park was first released today, which is the latest one since the park has a record record.

Early Yingui is the most common variety of cinnamon cultivated in the Yangtze River Basin. It is early flowering, the flower buds are light yellow and white, and the flowers are yellow to milky yellow, strong incense, and high ornamental value.

In recent years, the flowering period of osmanthus in the green space in some parks in Shanghai has been a bit "disordered"

On July 20, 2020, the early silver and Gui of the Shanghai Botanical Garden had been opened, and the earliest time for the garden to record the record.

However, in 2021, the garden's early silver osmanthus period came with a "big reversal". "Drag" was only opened in September, more than two months later than 2020.

Unexpectedly, one year later, the "latest record" was refreshed.

"The last year and last year were two extremes. It was too early the year before. It was too late last year this year. It is rare." Wang Yuqin, a senior engineer of Shanghai Botanical Garden, said that most of the blooming time of early silver and laurels was in early September, and there were also advances from early September. It is a historic breakthrough early to bloom early to mid -July, or to bloom late in late September.

For such an abnormal initial time

Wang Yuqin said that the specific reason is yet to be studied

It is speculated that it may be related to the changing climate in recent years

After many years of observation records and data analysis, early silver and laurels must meet the conditions of "first suppression and then Yang", that is, "autumn meaning" must be available first. Since then, the expansion of flower buds requires warmth. In terms of professionalism, the accumulated temperature of four or five days must reach 150 ° C.

Take the early silver and laurel of "earliest flowering in history" in Shanghai Botanical Garden in 2020. In mid -July of that year, Shanghai spent the "the longest plum rainy season in this century". It was very sultry. In addition, when it was sunny for a period of time, the lower temperature and increased air humidity opened the "osmanthus steaming" in advance, making the osmanthus stupidly think that the autumn arrived, and met the conditions of the osmanthus flowers "first suppressing and then raising".

Compared to July 2020, the relatively hot weather in August and September 2021 made osmanthus never hear Qiu Liang's "hair order", which caused a small regret for Mid -Autumn Festival without Gui Xiang last year.

This year, similar situations happened again. The heat of this summer is rare for a century. In September, the temperature was also high. It was not until a wave of cooling before the Mid -Autumn Festival this year that it gradually approached the "start" temperature of osmanthus, which made the flower buds of early silver and laurel expand, but It was just that the flowers bloomed, and it was "boiled" for about two weeks to finally fix the positive fruit.

"Overall, the initial spending time of Shanghai osmanthus has become earlier in recent years." Wang Yuqin said that in recent years, the earliest time for Shanghai Botanical Garden osmanthus will be opened from September 22, 2017 to September 13, 2018 On July 20, 2019, on September 5th and 2020, it is getting earlier and earlier, which is inseparable from the changing climate of "not in accordance with the rules" (mainly abnormal cold and cold alternation) Essence

But if the weather becomes more and more hot in the future, it does not rule out that the initial time of osmanthus will become late and later, and it will even become a trend in the next years.

It is expected to be on National Day holiday this year

Shanghai will usher in the first wave of the best cinnamon period

After the early silver cinnamon, the "pick -up" osmanthus flower has the early flower varieties of the Dangui varieties. The top beads, Moon Moon, and Daye of the Four Seasons Cinnaboli varieties, and the Bodohisa of the Golden Guida, and the Huanggui Huanggui in Hangzhou. Among them, the most colorful colors are Honggui and Yanyan Honggui in the Dangui series.

Early Red Dangui of Shanghai Chenshan Botanical Garden

Did you smell the fragrance of osmanthus?

This article is comprehensive from: Shangguan News, Netizens Comments, etc. Author: Chen Xihuan

WeChat editor: Miss Pi

School pair: nano

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