Abstract

In order to screen out the best culture conditions for the growth of callus of Actinidia arguta, leaf callus and stem callus were used to explore the effect of different light intensity on callus multiplication. The results showed that, light could promote the synthesis of anthocyanins in callus, and low light intensity could keep the callus to maintain a healthy and physiological state with green color and compact structure. In addition, there was a negative correlation between light intensity and callus multiplication, and the stronger the light intensity, the more severe the callus browning. The optimal culture condition for leaf callus multiplication was dark environment, the optimal culture condition for stem callus multiplication was dark environment or 720 Lx light intensity.

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