Introduction
Vegetable is the most important component of a balanced
human diet and act as a protective food. Among
vegetables, tomato (Solanum lycopersicum Mill.) is
one of the most popular and widely grown vegetables in
the world, ranking second after potato and it is grown
under wide range of climatic conditions. Presently, a
large number of growth regulators are available in the
market but basically they are of two types i.e. growth
promoters and growth inhibitors or retardants. Among
growth promoters, Gibberellic Acid (GA 3) and
Naphthalene Acetic Acid (NAA) play an important role
to in improving the plant growth and yield of vegetable
crops. GA3 is one of the important growth stimulating
substances which promote cell elongation and cell
division thus help in the growth and development of many