细满江红(Azolla filiculoides)又名细绿萍,1977年引入我国,它适应低温而又富于结孢,已普遍在全国推广应用。最近我们通过试验观察,发现湿生细满江红与水面浮生相比,有不少优点。(1)抗逆性强。北京10月底浮生细绿萍因水温已不利于它的生长而衰老,湿生的萍体仍然翠绿,衰老症状不明显。(2)在一般条 Azolla filiculoides, also known as fine green Ping, introduced to our country in 1977, it is adapted to low temperature and rich in cocoon, has been widely applied throughout the country. Recently, we have observed through experiments and found that there is a lot of merit in comparison between wet and wet Jiangsun and the water surface. (1) strong resistance. Beijing end of October floating fine green duckweed because the water temperature has not conducive to its growth and aging, wet body is still green Ping, senescence symptoms are not obvious. (2) In general terms