Division of Fruits and Horticultural Technology, Indian Agricultural Research Institute, New Delhi-110 012.
The In vitro papaya plants showed more leaf area, more number of stomata per unit area, more number of leaves per plant, more stem diameter and higher rate of photosynthesis and precosity after they were transplanted in the field. In vitro raised plants also produced more number of fruits (1.5 times) as compared to seedlings. The average yield of fruits borne by tissue culture plants was 1.5 times more than the fruits borne by seedlings. The in vitro plants showed totipotency with regard to the expression of sex (pistillate explant yielded only pistillate plants). The established tn vitro plants erew uniformlv in the field.
