Effect of Concentrations of Different Growth Regulators on Flower and Stigma Yield of Saffron under without Soil conditions

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Ziaratnia Seyed Mahdi; Mollafilabi Abdolah; Senobari Somayeh

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Journal: JOURNAL OF SAFFRON RESEARCH Year:2019 | Volume:7 | Issue:1 Page(s): 43-54

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Title

Effect of Concentrations of Different Growth Regulators on Flower and Stigma Yield of Saffron under without Soil conditions

Author(s)

Ziaratnia Seyed Mahdi | Mollafilabi Abdolah | Senobari Somayeh | Issue Writer Certificate

Keywords

Chlorocholine chlorideQ1

Dormancy periodQ1

HormoneQ1

Abstract

Saffron (Crocus sativus L. ) is a perennial stemless herb of the Iridaceae family. It is a triploid plant and sterile geophyte that propagated by replacement corms. It has long been known that the relative levels of plant Hormones and growth regulators control dormancy, germination and emergence. In order to evaluate the effect of different chemical regulators and their concentrations on flower and stigma yield of saffron in without soil conditions (hydroponic conditions), an experiment was conducted as factorial layout based on a randomized complete block design with three replications at the Agricultural Complex of Fadak during 2014. Three chemical regulators at four concentrations such as Gibberellic acid (GA3), (0, 5, 20 and 40 mg. l-1), Chlorocholine chloride (CCC) (0, 100, 200 and 300 mg. l-1) and Naphthalene acetic acid (NAA) (0, 100, 200 and 300 mg. l-1) were considered as treatments. Studied traits were fresh weight of flower, stigma length, fresh weight of stigma, dry weight of stigma and flower number in October and December (as the first and second harvests, respectively). The results showed that the effect of concentration was significant (p≤ 0. 01) on flower yield indices at the first harvest. Flower yield indices were significantly affected by growth regulators and concentrations at the second harvest (p≤ 0. 05). By increasing concentration of growth regulators declined fresh weight of flower, flower number, stigma length, fresh weight of stigma and dry weight of stigma. The highest stigma length and flower number were observed for CCC with 0. 34 cm and 3. 41, respectively. It is concluded that plant Hormones have considerable role in dormancy prolongation and flower yield indices of saffron.

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APA: Copy

Ziaratnia, Seyed Mahdi, Mollafilabi, Abdolah, & Senobari, Somayeh. (2019). Effect of Concentrations of Different Growth Regulators on Flower and Stigma Yield of Saffron under without Soil conditions. JOURNAL OF SAFFRON RESEARCH, 7(1 ), 43-54. SID. https://sid.ir/paper/240453/en

Vancouver: Copy

Ziaratnia Seyed Mahdi, Mollafilabi Abdolah, Senobari Somayeh. Effect of Concentrations of Different Growth Regulators on Flower and Stigma Yield of Saffron under without Soil conditions. JOURNAL OF SAFFRON RESEARCH[Internet]. 2019;7(1 ):43-54. Available from: https://sid.ir/paper/240453/en

IEEE: Copy

Seyed Mahdi Ziaratnia, Abdolah Mollafilabi, and Somayeh Senobari, “Effect of Concentrations of Different Growth Regulators on Flower and Stigma Yield of Saffron under without Soil conditions,” JOURNAL OF SAFFRON RESEARCH, vol. 7, no. 1 , pp. 43–54, 2019, [Online]. Available: https://sid.ir/paper/240453/en

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