J Integr Plant Biol. ›› 1979, Vol. 21 ›› Issue (4): -.

• Research Articles •    

Induction Of Callus and Regeneration of Plantlets in Stem Segment Culture of Chinese Gooseberry

Gui Yao-lin   

Abstract: The stem segments of male and female plants of Actinidia chihensis Planch. var. chinensis C. F. Liang and A. chihensis Planch. var. hispida C. F. Liang were cultured in vitro. Callus and plantlets were obtained on MS basic medium supplemented with BAP (0.5, 2 ppm) + IAA (0.05 ppm) or zeatin (0.1–10 ppm). Best results were obtained on medium added with 1 ppm zeatin. It was possible to induce callus in both species but the frequency of callus redifferentiating into plantlet in A. chinensis Planch. var. hispida was far higher than that in A. chinensis Planch. var. chinensis and the frequency of plantlets derived from the female plant was higher than those from the male plant. The stem of plantlet was cut off when it reached 1 cm in height, then soaked in the solution with IBA 50 ppm for 2 hr. or with IBA 2 ppm for 24 hr. and the excised stem was transferred onto medium with 1/2 MS+ 1% sucrose +0.5% active carbon for rooting. It is possible that this technique of obtaining whole plants by stem segment culture provides a method for thes multiplication of female plants and the good individual plants of chinese gooseberry.

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