Patel Shubh Jitendrabhai, Sandeep Kumar, Kushagra Sharma and Joshi Yatharth Mukeshkumar
Abstract
Papayais botanically known as Carica papaya L. It belongs to Caricaceae family and it has chromosome numberis 2n=18. Papaya is native to Tropical America. It was introduced in the 16th century in India. The termâPlant Growth Regulatorsâ is relatively new in use. In previous literature, these were revealed as Hormones.âHormoneâ is a Greek word derived from âhormaoâ which means to stimulate. Thimonn (1948) optionalthe use of the term phytohormons in place of hormone of plants. He defined phytohormons as the organicsubstances which are formed naturally in plants, synthesized in one part and usually trans-located to otherpart of plants where in every small quantity effect on the growth and other physiological activates of theplants. The term growth regulator is used for the materials which work similar to phytohormons but syntheticin nature.