Effect of benzyl aminopurine, phosphate solubilizing bio-fertilizers and maternal corm weight on the qualitative indices of saffron (Crocus sativus L.) flowers and cormlets in Yasouj region

Bekhradiyaninasab, Afsaneh; Balouchi, Hamidreza; Movahhedi Dehnavi, Mohsen; Sorooshzadeh, Ali

doi:10.22077/jsr.2019.2767.1112

Document Type : Original Article

Authors

¹ Yasuj University of Agriculture Faculty of Seed Science and Technology

² Agronomy Dept. Yasouj university

³ Department of Agronomy and Plant Breeding, Faculty of Agriculture, Yasouj University, Yasouj, Iran.

⁴ Tarbiat Modares University,

https://doi.org/10.22077/jsr.2019.2767.1112

Abstract

Saffron is one of the most important crops and medicinal plants in Iran. The research was accomplished in order to investigate the effects of Benzyl aminopurine hormone treatment, application of bio-fertilizers (Phosphate Barvar2 and mycorrhiza) and maternal corm weight on the quantitative indices of saffron cormlets and flowers yield as a factorial based on randomized complete block design with three replications was conducted in Yasouj region. Experimental treatments consisted of large (7.1-10 g) and small (4-7 g) corms, priming with benzyl aminopurine at concentrations of 0, 250 and 500 mg/l and biofertilizer levels (no fertilizer, Mycorrhiza (Glomus mossea) and fertilizer, Phosphate Barvar2) were used. The results showed that all quantitative traits of saffron corm were significantly affected by hormonal priming and maternal corm weight (except for corm weight); But biofertilizer had only significant effect on corm number and flower dry weight. The Hormonal priming at a concentration of 250 mg/l increased the number and weight of corms by 30 and 27%, respectively, and the dry weight of stigma and filament by 26% compared to control. Also, all flower components and number of corms were significantly increased by using larger maternal corms than small corms. The use of bio-fertilizers as compared to no fertilizer increased 13 and 59% corm number and weight, respectively. Phosphorus and zinc content in corms increased only under the influence of mycorrhiza fertilizer application. Whereas, with the use of benzyl aminopurine and mycorrhiza fertilizer, the iron content increased twice as much as the control. Generally 250 mg/l application of benzyl aminopurine, bio-fertilizers and larger corms (7.1-10 g) it had a positive effect on most of the measured traits

Keywords

References

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