Studying the effect of hormonal priming with gibberellic acid and seed coating with different compounds on germination and early growth of green basil (Ocimum basilicum L.)

Subject Areas :

Somaye Sotude Gharabagh ¹ , Mahdi Ghiyasi ^{2 *} , رضا امیرنیا ³ , Leila Sharifi ⁴

1 - Department of Plant Production and Genetics, Faculty of Agriculture, Urmia University, Urmia, Iran
2 -
3 - عضو هیإت علمی دانشکده کشاورزی دانشگاه ارومیه
4 - Department of Computer Engineering, Faculty of Electric and Computer Engineering, Urmia University, Urmia, Iran.

Received: 2024-10-22 Accepted : 2025-03-17 Published : 2024-02-29

Keywords: hormonal priming, seed coating, basil, germination, seedling growth.,

Abstract :

This study aimed to evaluate the effects of hormonal priming and seed coating on the germination characteristics and seedling growth of sweet basil. An experiment was conducted in the Plant Production and Genetics Engineering Laboratory, Faculty of Agriculture, Urmia University, in 2021-2022. The impact of seed hormonal priming with gibberellic acid at concentrations of 0 (control), 25, 50, 75, 100, and 150 ppm, and seed coating with various mineral (field soil), organic (vermicompost), and biological (Azospirillum brasilense) coatings, as well as an uncoated control, was investigated. A completely randomized block design with three replications was used to evaluate the factorial effects of hormonal priming and seed coating on basil germination and seedling growth. The studied traits included germination percentage and rate, mean germination time, seedling length, fresh and dry seedling weight, allometric length and weight coefficient, and seedling vigor index. The results showed that hormonal priming with the growth regulator at concentrations of 100 and 150 ppm significantly improved germination and seedling growth indices. Additionally, seed coating, compared to the control, led to improvements in the studied indices. Among the seed coating treatments, based on the overall results of this study, coating with organic and biological materials yielded more favorable results in enhancing the studied indice

References:

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