"Alternanthera philoxeroides" will again be "examined" experts have raised objections.
Ji'nan times: Zhao Lu
in June 20th, the report of this newspaper has attracted a lot of attention from the reports of the "hollow lotus seed" of the native species in Brazil. Some citizens reflect that they hope to remove large species of alien species in the river as soon as possible so as not to enter the hushushan reservoir. This has also attracted the attention of Shandong provincial agricultural environmental protection general station. Some experts have issued different voices and questioned the identity of "Alternanthera philoxeroides".
experts issued different voices, "lotus seed grass" is generally green leaves
Shandong provincial agricultural environmental protection general station Ecological Management Department of kuru Pian Wen said, they went to the Zhong Gong bridge to find the hollow lotus grass, and found the "hollow" under the bridge of Zhong Gong bridge. "Lotus", no 20 Japan reported the river is covered by a large area of the scene, "we found a small number of 'lotus seeds under the Zhong Gong bridge', the first two days when the stationmaster went to see the dry, maybe the newspaper is not the true 'hollow lotus grass'."
Pu Biwen said, Pu Biwen said that the reason for the identity of the "lotus seed" in the report was suspected, because the experts previously found the experts, experts said that the grass rarely appeared yellow leaves, "the 'hollow lotus grass' stems are solid, green, leaf to raw, white or slightly pink. If it is truly "Alternanthera philoxeroides" and so dense, it will definitely affect water and environment.
Pu Biwen told reporters that the "Alternanthera philoxeroides" discovered by them is located in the central palace of the Golden Palace North, with a very small number. The location of the reporter's sampling is Zhong Gong bridge on the east side of the golden palace villa. The two bridges show "Zhong Gong bridge" on the map. "We will contact the experts of the Chinese Academy of Agricultural Sciences for further verification of its status."
the reporter saw that the picture of the "lotus seed grass" photographed by Pu Bi Wen was basically the same as that of the reporter, but there was no yellow leaf, and it was difficult to distinguish it in appearance.
[invasion event]
our city once had "three cracked ragweed" invasion
Pu Biwen introduced, "hollow lotus grass" in the environment of minus 10 degrees is very difficult to survive, so in Ji'nan generally can not survive. "When we look at the Zhong Gong bridge in north of the golden palace, we see that the sporadic 'lotus seed grass' growth does not affect water and the environment too much," she said, the survival of the "Lotus grass", probably due to the drift of the plant to the river during the winter.
as for the history of our city's related plant invasion, Pu BiWen introduced the invasion of the "three cracked ragweed" in Ji'nan in the last few years, "the location is around the present west station, the river and the ditch." We have held the elimination conference, because the West passenger station construction, at present, there are not many. The reporter consulted the relevant information. According to the media reported in July 2004, the city had "declared war on the three cracked ragweed", because its fecundity and adaptability to the environment were very strong. The seeds could survive in 30 years, and they could germinate in suitable conditions. Once entering farmland, it can have a devastating effect on crops.
["hacker" species]
our province has published ten major invasive species
according to related data, as of November 2011, 488 alien species have invaded our country, the first batch of alien invasive species published in the country in 2003 and the second batch of invasion issued in 2010 Among the species list, 35 species of harmful species are listed. "Alternanthera philoxeroides" is listed in the 2003 list. In January this year, the Shandong entry and exit inspection and quarantine bureau gave the first exposure to invasive species: "white moth", "Eupatorium adenophorum", "red fire ant", "water hyacinth", "pine wood nematode", "chamomile", "Brazil Tortoise", "Mandala", "great snail" and "airplane grass".
among the ten alien invasive species, there are 5 alien invasive plants. The "philoxeroids" and "three cracked ragweed" in our city are not among them. In 2004, the "hollow lotus grass" blocked the Xiaoqing River. In Ji'nan, the situation was basically controlled by the methods of excavator eradication, drug killing and other methods. The "three cracked ragweed" failed to be "arrogant" in our city. The three crack ragweed, which once broke out in Laoshan Mountain, is no longer raging after large-scale artificial removal.