Advances in Rooting of Tissue Culture of Nyctaginaceae
As an important ornamental plant group in Caryophyllales,Nyctaginaceae has important multiple ap-plication value.Plant tissue culture is an important means to realize the value of Nyctaginaceae plant resources.However,there are still many problems in the whole process of tissue culture,such as rooting difficulties and un-derdeveloped root fiber,which lead to low propagation coefficient and low survival rate of transplanting.This study reviews the application of Nyctaginaceae in recent years.The physiological and molecular mechanism of rooting of tissue culture seedlings were expounded.The internal factors influencing the rooting of tissue culture seedlings of Nyctaginaceae were analyzed from the aspects of plant species,genotypes and physiological state of plant materials.The external factors influencing the rooting of tissue culture seedlings of Nyctaginaceae were ana-lyzed from the aspects of medium types,plant growth regulators and culture conditions.Finally,from the perspec-tives of culture mode,enzyme activity and molecular biology,the deficiency and development direction of tissue rooting research of Nyctaginaceae were put forward,in order to open up new ideas for the rooting of Nyctagi-naceae plants,and to benefit the industrial development of Nyctaginaceae plants.
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