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以杂种榕萍１号为父本，以榕萍１号原母本小叶满江红为母本进行回交，获得回交满江红３号（ＭＨ３－１），脂酶同功酶谱等鉴定为真杂种。其抗热能力和耐盐性均比父母本及其他满江红为高，品质好，繁殖速度快，适用于我国南方晚季和滨海盐土开发利用。回交满江红３号较其他萍种在细胞内超氧化物歧化酶和过氧化物酶均有大幅度提高，是回交满江红３号免受盐害的生理基础之一。
The hybrid Yung Ping No.1 was used as the male parent and backcrossed with the original mother leaf of the Yung Ping 1, and the female parent was backcrossed to obtain the backcrossed MH3-1 (MH3-1). The lipase isozymogram was identified as the true hybrid . Its heat resistance and salt tolerance than parents and other Azolla is high, good quality, reproductive speed, suitable for southern China late and coastal saline soil development and utilization. Back to Cross River Red 3 compared with other species in the cell superoxide dismutase and peroxidase have greatly increased, is to return to Man Jiang Hong 3 salt from the physiological basis.