Hort. Sci. (Prague), 2024, 51(1):1-22 | DOI: 10.17221/166/2022-HORTSCI

Impact of new generation plant growth regulators on fruit crops – A ReviewReview

Akshay Kumar1, Rajni Rajan1, Kuldeep Pandey2, Rodge Rahul Ramprasad1, Gulbadan Kaur1, Thammali Vamshi1, Tanya Singh1
1 Department of Horticulture, School of Agriculture, Lovely Professional University, Phagwara, Punjab, India
2 Department of Fruit Science, College of Horticulture & Forestry, Acharya Narendra Deva University of Agriculture & Technology, Kumarganj, Ayodhya, Uttar Pradesh, India

Plant growth regulators (PGRs) are artificially synthesized substances that control growth, development, and other various physiological processes in plants. Synthesized auxins, ethylene, abscisic acid, cytokinin, and gibberellins are only a few of the key PGRs that have been studied and used for quite a long period of time. brassinosteroids, salicylic acid, jasmonic acid, CPPU (N-(2-chloro-4-pyridyl)-N’-phenylurea), putrescine, hexanal, triacontanol, melatonin, and other chemicals have been added to the list of PGRs. These PGRs can be considered the new generation of plant growth regulators. These relatively novel hormones are critical for a plant’s growth and development. They aid in the increase of not only the quantity (fruit set, length, weight, yield, volume, pulp percentage, and so on) but also the quality of fruit crops (fruit colour, firmness, total soluble solids, total sugar, ascorbic acid content, etc). They also help to prolong the shelf life of certain fruits and minimize the losses after harvesting. As a result, these new-generation PGRs can be used to boost an orchard’s productivity and income while minimizing pre and post-harvest losses to the greatest extent possible. Hence, this extensive review discusses the impact of these new-generation PGRs on fruit crops.

Keywords: development; growth; fruit set; shelf life; post-harvest; yield

Accepted: June 26, 2023; Published: March 27, 2024  Show citation

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Kumar A, Rajan R, Pandey K, Ramprasad RR, Kaur G, Vamshi T, Singh T. Impact of new generation plant growth regulators on fruit crops – A Review. Hort. Sci. (Prague). 2024;51(1):1-22. doi: 10.17221/166/2022-HORTSCI.
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