In vitro production of multiple shoots in papaya as affected by plant tissue maturity and genotype

L. K. Chan and C. K. H. Teo

Abstract

Culture media found to promote multiple shoot growth of seedling tissues did not give the same results when explants from mature tissues were used. The genotype or variety of papaya was an important factor determining explant response in culture. The Taiping variety produced 5–6 times more shoots in culture than the Eksotika variety. Prolonged culture in liquid media produced abnormal shoots. The Eksotika variety was more prone to such abnormality than the Taiping variety.

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