Introduction of aquatic plants Myriophyllum aquaticum should be careful

According to the relevant technical literature shows that Myriophyllum aquaticum can not only nitrogen and phosphorus absorption of the material in water, water purification, but also to some extent from the suppression of blue-green algae. In recent years, there have been water city greening in the part of the river on the Myriophyllum aquaticum, but the introduction of plants in the water at the same time also brought many problems.
The Myriophyllum aquaticum origin to Europe, also known as poly algae, water Juzao, green foxtail, green feathers, cork. Is a perennial herb or submerged in water, the origin of many creeping growth in the paddy fields, streams and ponds, introduction and domestication of be ornamental aquatic plants or fish with plants, introduced China's Taiwan region has more than ten years, the time is short.
Myriophyllum aquaticum in aquarium circles is quite well-known, emergent part of powder green, the submerged part is red, very water leaves creeping on the surface of the water, lower water water stems, stems and branches. 5 leaves to 7 whorls, pinnate leaflets arranged, acicular, green and white; submerged leaves filiform, scarlet, winter old leaves will wither, leaves falling is red. Flower spike inflorescences, flowers unisexual, monoecious inflorescence, half male, half female, flowering in April each year to September. Top open small red flowers. Fruit is nuts.
The plant has strong vitality, can adapt to various environments, and can be used for winter in the south of the Yangtze river. However, because of its strong adaptability, rapid growth, in the mainland of China mainly rely on stem propagation, even if a small amount of cultivation in the pond, but also can quickly cover the entire surface of the water, thereby affecting the entire ecosystem. Introduction of aquatic flowers in Wenzhou, the spread of the momentum has been overlooked, if not control will be covered by the entire river. Serious when can clog waterways, influence of water transportation, the exclusion of other plants, the species is single, covering the surface, affecting growth of fish and fishing, damage to crops in the farmland, the yield of field ditches damaged, multiply, farmland irrigation and drainage; invasion of wetlands, lawn, destruction of landscape, mosquitoes, harmful to human health. Myriophyllum aquaticum must regularly salvage, the control in a certain range.