Milkuri Chiranjeeva Reddy*, Ch. Bhargavi1, Mhaiskar Priya Rajendra2, K. Indu1 and Bojja Harish Babu2
1 Indira Gandhi Krishi Vishwavidyalaya, Raipur, Chhattisgarh.
2 Forest College and Research Institute, Mulugu, Telangana State
Email: chiranjeevamilkuri@gmail.com
Received-18.01.2022, Revised-10.02.2022, Accepted-15.03.2022
Abstract: Seed dormancy is one of the major hurdles in germination which can be conquered by following some treatments which are termed as pre-sowing treatments. The dormancy of the seeds can be breaked by following different pre-sowing treatments like scarification (mechanical, acid), water soaking (hot/cold), using chemicals and plant growth regulators or by alternate wetting and drying prior to sowing. The type of treatment chosen depends on the type of dormancy exhibited by seed. The technological advancement laid forth a road map for improving traditional seed treatment technologies and developing new ones, such as priming, irradiation using gamma rays, magnetic exposure of seeds for enhancing germination. Another advanced technology which has found applications in all most all existing fields of science is nanotechnology which is now showing promising effect in seed germination. Lack of awareness in identifying suitable pre- sowing seed treatments for various tree species is an important concern for mass production and conservation of many species. In order to tackle this issue, some efforts are made to discuss selected seed treatments with their advancement and significance in this review.
Keywords: Dormancy, Scarification, Irradiation, Plant growth regulators, Nanotechnology
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